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"first_seen": 1792971605, "last_seen": 1793054485, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "1e97a5503481803ad27823633ed2aba2f71c60671d3660cb3bf7e6c7d354ce20", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 4, "ts": 1792946329, "atts": 8, "k": 5, "final": 1, "first_seen": 1792946414, "last_seen": 1793063343, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "a226bb342aa69a447198fa9a916e891223e7298038b80911b55d6f823248f6b9", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 3, "ts": 1792924733, "atts": 8, "k": 5, "final": 1, "first_seen": 1792924817, "last_seen": 1793054485, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "4d76e2e76d7ab398ea69281f786d52c8fa7c57f91e7be561f6b11c1994ab8413", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 2, "ts": 1792903116, "atts": 8, "k": 5, "final": 1, "first_seen": 1792903174, "last_seen": 1793054485, "source": "explorer/txs", "segment": 2, "carried_over": null}, {"id": "632f739ba645b3e8bce82da7091e2d00627a84ad4e9f0bddb06d323cfd8e4334", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 1, "ts": 1792881519, "atts": 26, "k": 5, "final": 1, "first_seen": 1792881707, "last_seen": 1793054485, "source": "txs-window", "segment": 2, "carried_over": null}, {"id": "21709464046adb3ddc6df6569b291887824e3deac55f3c9bed7f12a4ea8f9a49", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 0, "ts": 1792877917, "atts": 9, "k": null, "final": 1, "first_seen": 1793054485, "last_seen": 1793054485, "source": "explorer/address", "segment": 2, "carried_over": null}, {"id": "d40fbb6bb5e3a9659cb7ed31713903cc7aa6df34a18b7abdb68e6dfd3a0d8706", "type": "challenge", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 14, "ts": 1792834808, "atts": 8, "k": 5, "final": 1, "first_seen": 1792834861, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}, {"id": "73233c20e9c692c38edd5db853d1a66c8ebd37f8cfc74de498edf0d755ef3274", "type": "join", "from_addr": "poa1FkhVWVaW9BVUWorw85Jda4MLzSq5ohaNfMQgZcTDzPF6", "to_addr": null, "amount": null, "memo": "hosted join: SparkQuill", "invited_by": "poa1GYsUbyvRbDUQegb9duTKpL1cSDZpTWd1LQhATpJxsg5A", "epoch": null, "ts": 1792829164, "atts": 12, "k": 5, "final": 1, "first_seen": 1792829295, "last_seen": 1792848394, "source": "explorer/txs", "segment": 1, "carried_over": false}], "next_cursor": null, "types": {"challenge": 11, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 12, "indexed_sent": 12, "first_ts": 1792829164, "last_ts": 1793057945, "segment": 2, "highest_nonce": 9, "nonce_gap": 0, "complete": null, "by_segment": [{"segment": 2, "label": "Segment 2", "archived": false, "indexed_sent": 10, "first_ts": 1792877917, "last_ts": 1793057945, "highest_nonce": 9, "nonce_gap": 0, "complete": null}, {"segment": 1, "label": "Segment 1 (archived)", "archived": true, "indexed_sent": 2, "first_ts": 1792829164, "last_ts": 1792834808, "highest_nonce": null, "nonce_gap": null, "complete": null}], "note": "Archive of the network's tx feed (newest 200, read every minute), its tx window and address reads; the network lists only an address's newest 100. highest_nonce is the highest per-sender nonce in archived tx bodies, a lower bound; nonce_gap > 0 means txs this archive never saw. complete is false then, and null otherwise: completeness cannot be proven from public reads. Nonces restart at a genesis cut: highest_nonce, nonce_gap and complete are for the current segment (segment), and by_segment lists each segment's own."}, "method": "https://poascan.io/about#history", "meta": {"api_version": "1.26.182", "network": "poa-mainnet-1", "source_height": 67678, "checkpoint": 63150, "epoch": 9, "node_as_of": "2026-10-27T03:02:04.146Z", "fetched_at": "2026-10-27T03:21:08Z", "stale": true, "stale_after_s": 300, "node_stale": true, "node_stale_age_s": 1144, "checkpoint_age_s": 18362, "blocks_since_checkpoint": 4528, "segment": 2, "genesis_cut": {"label": "Genesis cut", "ts": 1792875660, "notice_id": "2026-10-24-genesis-cut", "txid": "e1c4ea26349b41a6781bcb76f98e3da4118398d6a212122c099ab75561b38373", "from_segment": 1, "from_height": 44003, "segment": 2, "archive_url": "https://github.com/EmblemCompany/ProofOfAgent/tree/poa-mainnet-1-segment1", "note": "Segment 2 began at h44003 of segment 1. Earlier history archived.", "carried_closes": [{"segment": 1, "epoch": 13}], "excluded_closes": [{"segment": 1, "epoch": 12}, {"segment": 1, "epoch": 14}], "carry_unlocked": true}, "maintenance": {"active": false, "cleared_by": "upgrade_complete", "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "join_open": true, "join_state": "open", "last_join_at": "2026-10-27T03:02:19Z", "join_source": "tracker", "hosted_mining": "back", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": [], "working": ["onboarding", "hosted_mining", "grading", "self_custody_mining", "epoch_closes", "attestation_earnings", "challenge_pool_payouts", "balances", "explorer"], "self_custody": "POST /api/submit plus /api/receipt keep working", "pending_ttl_epochs": 16, "parked_checkpoint": 24371, "checkpoint": 63150, "auto_clear": "when an official notice says grading is back and the hardening is over (complete); before that, 6 hours after mining is officially back", "halted_list_public": false, "url": "https://poascan.io/upgrade", "phase": "complete", "headline": "Upgrade complete. Mining, grading and joining are open.", "headline_short": "Upgrade complete.", "completed_at": "2026-10-23T16:57:36Z", "completed_by": {"notice_id": "2026-10-23-grading-resumed", "txid": "a241efae5b315b9f4dfdd4030990321d3d794cf800acdb76932029c6be267000"}, "updated_at": "2026-10-23T16:57:36Z", "hosted_routes": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "unknown", "vote": "open", "export": "open"}, "hosted_routes_display": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "open", "vote": "open", "export": "open"}, "official": {"mining": true, "routes": true, "source": "notice", "mining_at": 1792715634}, "mining_back_at": "2026-10-22T23:45:49Z", "hosted_routes_checked_at": "2026-10-27T03:17:59Z", "notice": {"id": "2026-10-21-hardening", "active": false, "issued_at": null, "expires_at": null, "superseded_by": "2026-10-23-grading-resumed"}, "segment_notice": {"id": "2026-10-24-genesis-cut", "label": "Genesis cut", "note": "Segment 2 began at h44003 of segment 1. Earlier history archived.", "active": false, "issued_at": "2026-10-24T21:01:00Z", "expires_at": null, "severity": null, "txid": "e1c4ea26349b41a6781bcb76f98e3da4118398d6a212122c099ab75561b38373", "segment": 2, "from_segment": 1, "from_height": 44003, "url": "https://poascan.io/about#segments"}, "recovery": {"moved": true, "checkpoint": 63150, "previous_checkpoint": 44003, "state_root": "eb515b1ed139ed6b424f41f064ca2e1ea95713309e28b24953bedb0aeb17a774", "supply": "2419056171.715876", "supply_before": "1430247702.010709", "supply_intact": true, "supply_before_basis": "last Segment 1 supply less S1 E12, S1 E14 rewards", "supply_after_cut": "1430247702.010709", "supply_cross_check": {"value": "1430247702.010709", "basis": "Segment 1 supply at checkpoint h44003 plus S1 E13 rewards", "ts": 1792804911, "intact": true}, "previous_segment": 1, "status_as_of": "2026-10-27T03:02:04.146Z", "status_age_s": 1238, "status_fresh": false, "status_stale_flag": true, "txs": 4597, "final": 4036, "epochs_closed": 9, "open_ballots": 0}, "unconfirmed": [], "grading": {"state": "open", "label": "Grading open", "basis": "notice+seals", "notice_id": "2026-10-23-grading-resumed", "halt_notice": null, "seals_since_notice": 37499, "sealers_since_notice": 63, "last_seal_at": "2026-10-27T03:02:34Z", "seals_recent": 77, "recent_window_s": 1800, "min_seals": 2, "feed_fresh": true}, "surfaces": {"Answers": "back", "Grading": "back", "Challenges": "back", "Agent profile": "back", "Hosted mining": "back", "Joining": "back", "Assignments": "back", "Path actions": "back", "MCP mining tools": "back"}, "surfaces_source": "tracker", "surfaces_as_of": "2026-10-27T03:16:45Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "upstream_notice": {"text": "minepoa.com sent a notice instead of data.", "endpoints": ["/api/explorer/txs"], "first_seen": 1793071208, "last_seen": 1793071328, "signals": ["header:x-poa-edge"], "data": "last real values kept; nothing from the notice response was stored"}, "generated_at": "2026-10-27T03:22:56Z"}}