{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:3T2AOHCDJ3UEL2BHELEE7QOSEW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ecfb4ee44e7707bd58e3c24a2e28eea3d0b04750fa2fb3e78c4a3aa791a7d013","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-09-26T11:44:29Z","title_canon_sha256":"3da2aaadf53f35d56c60a6e74d18300847309179f572439cc4f2f4d3770c306e"},"schema_version":"1.0","source":{"id":"astro-ph/0109473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0109473","created_at":"2026-07-04T14:11:30Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0109473v1","created_at":"2026-07-04T14:11:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0109473","created_at":"2026-07-04T14:11:30Z"},{"alias_kind":"pith_short_12","alias_value":"3T2AOHCDJ3UE","created_at":"2026-07-04T14:11:30Z"},{"alias_kind":"pith_short_16","alias_value":"3T2AOHCDJ3UEL2BH","created_at":"2026-07-04T14:11:30Z"},{"alias_kind":"pith_short_8","alias_value":"3T2AOHCD","created_at":"2026-07-04T14:11:30Z"}],"graph_snapshots":[{"event_id":"sha256:266f3279afb8d8ed9190c8e96328cd4df8d11df2cd43b69dd0be44f6db9730e2","target":"graph","created_at":"2026-07-04T14:11:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0109473/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report 60 and 90 micron observations of 7 millisecond pulsars with the ISOPHOT instrument and describe our analysis procedures. No pulsars were detected, and typical (3\\sigma) upper limits are 150 mJy. We combine our results with others in the literature and use them to place constraints on the existence of protoplanetary or dust disks around millisecond pulsars.","authors_text":"J. Fischer, R. S. Foster (NRL), T. J. W. Lazio","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-09-26T11:44:29Z","title":"Far-Infrared ISO Limits on Dust Disks around Millisecond Pulsars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0109473","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7cb157bf8b824ecae3be32dbc304d5f060105ed52d306c630360b05cb0d9dab0","target":"record","created_at":"2026-07-04T14:11:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ecfb4ee44e7707bd58e3c24a2e28eea3d0b04750fa2fb3e78c4a3aa791a7d013","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-09-26T11:44:29Z","title_canon_sha256":"3da2aaadf53f35d56c60a6e74d18300847309179f572439cc4f2f4d3770c306e"},"schema_version":"1.0","source":{"id":"astro-ph/0109473","kind":"arxiv","version":1}},"canonical_sha256":"dcf4071c434ee845e82722c84fc1d225b504f61f4371b112d1e1a5c51992a18c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcf4071c434ee845e82722c84fc1d225b504f61f4371b112d1e1a5c51992a18c","first_computed_at":"2026-07-04T14:11:30.254186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:11:30.254186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QChSSTXXlbEmpkSw2xr8ZSyKYX5FSQQ9ebdG8aIyvUY04e0qUPQXiCJtmw4fEvJZSaoqDRbklCj7roRPix0sBw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:11:30.254625Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0109473","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cb157bf8b824ecae3be32dbc304d5f060105ed52d306c630360b05cb0d9dab0","sha256:266f3279afb8d8ed9190c8e96328cd4df8d11df2cd43b69dd0be44f6db9730e2"],"state_sha256":"cc98b34639f58bcaa00308738ee2d9c85eb231cdc20c9443ce3998693ef93283"}