{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Q5Y7A2UN46GJU5J3RFD62JRZQK","short_pith_number":"pith:Q5Y7A2UN","canonical_record":{"source":{"id":"1408.0001","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-07-31T15:03:52Z","cross_cats_sorted":[],"title_canon_sha256":"8ab5f335bfd7d53126be30d42251ca205d711fe5edc80921fa53514b3033fafc","abstract_canon_sha256":"88a6ad948dbb84ee86ba8e7cdf5cf39c6ff66835f59f437017f140fac05d351a"},"schema_version":"1.0"},"canonical_sha256":"8771f06a8de78c9a753b8947ed2639829f69e9e73645f21a739ac12c2b7e4ce0","source":{"kind":"arxiv","id":"1408.0001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0001","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0001v1","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0001","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"Q5Y7A2UN46GJ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q5Y7A2UN46GJU5J3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q5Y7A2UN","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Q5Y7A2UN46GJU5J3RFD62JRZQK","target":"record","payload":{"canonical_record":{"source":{"id":"1408.0001","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-07-31T15:03:52Z","cross_cats_sorted":[],"title_canon_sha256":"8ab5f335bfd7d53126be30d42251ca205d711fe5edc80921fa53514b3033fafc","abstract_canon_sha256":"88a6ad948dbb84ee86ba8e7cdf5cf39c6ff66835f59f437017f140fac05d351a"},"schema_version":"1.0"},"canonical_sha256":"8771f06a8de78c9a753b8947ed2639829f69e9e73645f21a739ac12c2b7e4ce0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:26.572051Z","signature_b64":"8HU2LW9YAZGOi2ytEKxdh3+C597lEvzYVTkYn/7KWvObI7NF8MQ+8gYIXlyl+gVfigQDJ07r78fB9cPvANneCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8771f06a8de78c9a753b8947ed2639829f69e9e73645f21a739ac12c2b7e4ce0","last_reissued_at":"2026-05-18T01:42:26.571418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:26.571418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.0001","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bGjzR81363zdPI/3jZtB+mylu4MmHrDe2alWGQqv8X3dWkbCwzVGYlyXTxkmkKWEJDjW2VAVVwF/ikvDU7W8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:13:01.778081Z"},"content_sha256":"0c2b3f1a0c3c6adfca19f2163d9a9cdd7281e7d70cdf5ea9e3376961cf72286c","schema_version":"1.0","event_id":"sha256:0c2b3f1a0c3c6adfca19f2163d9a9cdd7281e7d70cdf5ea9e3376961cf72286c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Q5Y7A2UN46GJU5J3RFD62JRZQK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Bones of the Milky Way","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alyssa A. Goodman, Andreas Burkert, Christopher N. Beaumont, James Jackson, Jens Kauffmann, Joao Alves, Michelle A. Borkin, Robert A. Benjamin, Rowan J. Smith, Thomas M. Dame, Thomas Robitaille","submitted_at":"2014-07-31T15:03:52Z","abstract_excerpt":"The very long and thin infrared dark cloud \"Nessie\" is even longer than had been previously claimed, and an analysis of its Galactic location suggests that it lies directly in the Milky Way's mid-plane, tracing out a highly elongated bone-like feature within the prominent Scutum-Centaurus spiral arm. Re-analysis of mid-infrared imagery from the Spitzer Space Telescope shows that this IRDC is at least 2, and possibly as many as 5 times longer than had originally been claimed by Nessie's discoverers (Jackson et al. 2010); its aspect ratio is therefore at least 300:1, and possibly as large as 800"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0001","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1I80ooLMovYek+OrqS+qSAGGsMFP91ffPx5LsIhPGGmJ6Vk3yLK7bGsUBiag3+MFUs24kWWzJ+fcV6Pop2rhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:13:01.778693Z"},"content_sha256":"17a07793f734b788321e7b6d0ce19f7fa1be56c50616df1e9065addecb6d7186","schema_version":"1.0","event_id":"sha256:17a07793f734b788321e7b6d0ce19f7fa1be56c50616df1e9065addecb6d7186"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/bundle.json","state_url":"https://pith.science/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T07:13:01Z","links":{"resolver":"https://pith.science/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK","bundle":"https://pith.science/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/bundle.json","state":"https://pith.science/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5Y7A2UN46GJU5J3RFD62JRZQK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Q5Y7A2UN46GJU5J3RFD62JRZQK","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":"88a6ad948dbb84ee86ba8e7cdf5cf39c6ff66835f59f437017f140fac05d351a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-07-31T15:03:52Z","title_canon_sha256":"8ab5f335bfd7d53126be30d42251ca205d711fe5edc80921fa53514b3033fafc"},"schema_version":"1.0","source":{"id":"1408.0001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0001","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0001v1","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0001","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"Q5Y7A2UN46GJ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q5Y7A2UN46GJU5J3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q5Y7A2UN","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:17a07793f734b788321e7b6d0ce19f7fa1be56c50616df1e9065addecb6d7186","target":"graph","created_at":"2026-05-18T01:42:26Z","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"},"paper":{"abstract_excerpt":"The very long and thin infrared dark cloud \"Nessie\" is even longer than had been previously claimed, and an analysis of its Galactic location suggests that it lies directly in the Milky Way's mid-plane, tracing out a highly elongated bone-like feature within the prominent Scutum-Centaurus spiral arm. Re-analysis of mid-infrared imagery from the Spitzer Space Telescope shows that this IRDC is at least 2, and possibly as many as 5 times longer than had originally been claimed by Nessie's discoverers (Jackson et al. 2010); its aspect ratio is therefore at least 300:1, and possibly as large as 800","authors_text":"Alyssa A. Goodman, Andreas Burkert, Christopher N. Beaumont, James Jackson, Jens Kauffmann, Joao Alves, Michelle A. Borkin, Robert A. Benjamin, Rowan J. Smith, Thomas M. Dame, Thomas Robitaille","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-07-31T15:03:52Z","title":"The Bones of the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0001","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":"sha256:0c2b3f1a0c3c6adfca19f2163d9a9cdd7281e7d70cdf5ea9e3376961cf72286c","target":"record","created_at":"2026-05-18T01:42:26Z","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":"88a6ad948dbb84ee86ba8e7cdf5cf39c6ff66835f59f437017f140fac05d351a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-07-31T15:03:52Z","title_canon_sha256":"8ab5f335bfd7d53126be30d42251ca205d711fe5edc80921fa53514b3033fafc"},"schema_version":"1.0","source":{"id":"1408.0001","kind":"arxiv","version":1}},"canonical_sha256":"8771f06a8de78c9a753b8947ed2639829f69e9e73645f21a739ac12c2b7e4ce0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8771f06a8de78c9a753b8947ed2639829f69e9e73645f21a739ac12c2b7e4ce0","first_computed_at":"2026-05-18T01:42:26.571418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:26.571418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8HU2LW9YAZGOi2ytEKxdh3+C597lEvzYVTkYn/7KWvObI7NF8MQ+8gYIXlyl+gVfigQDJ07r78fB9cPvANneCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:26.572051Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.0001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c2b3f1a0c3c6adfca19f2163d9a9cdd7281e7d70cdf5ea9e3376961cf72286c","sha256:17a07793f734b788321e7b6d0ce19f7fa1be56c50616df1e9065addecb6d7186"],"state_sha256":"47a9126e0c6906d1cf0814eab1b9d47534332485bc22b9aca98d38a9e0cf077e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vWC0CMJCPnv0CTB2p0jAG+gJNzorzItF/69Ak8JQMkg9OJc6Fksbp/UvBcSXSKONNRwBMa4uMdyAR/6aAc13Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:13:01.781875Z","bundle_sha256":"cefe7c8fb73d4577516c382e17779444fc46e1df75ad184bf0322010713f8a2c"}}