{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:E2JWGHXJQQNJBHTI2WXMNJTJCT","short_pith_number":"pith:E2JWGHXJ","canonical_record":{"source":{"id":"1603.09177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-30T13:21:30Z","cross_cats_sorted":[],"title_canon_sha256":"b3576ca184944c49f500b3c0b3c88f8ed27ad458c699d6d69ba134dcea75deaf","abstract_canon_sha256":"818b31102835b987b7bc7357ce9e875d95fd3e0f52f98405c7e1e5178d021a36"},"schema_version":"1.0"},"canonical_sha256":"2693631ee9841a909e68d5aec6a66914d3bbdb468becd1edf148602309150386","source":{"kind":"arxiv","id":"1603.09177","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.09177","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.09177v1","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.09177","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"E2JWGHXJQQNJ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E2JWGHXJQQNJBHTI","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E2JWGHXJ","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:E2JWGHXJQQNJBHTI2WXMNJTJCT","target":"record","payload":{"canonical_record":{"source":{"id":"1603.09177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-30T13:21:30Z","cross_cats_sorted":[],"title_canon_sha256":"b3576ca184944c49f500b3c0b3c88f8ed27ad458c699d6d69ba134dcea75deaf","abstract_canon_sha256":"818b31102835b987b7bc7357ce9e875d95fd3e0f52f98405c7e1e5178d021a36"},"schema_version":"1.0"},"canonical_sha256":"2693631ee9841a909e68d5aec6a66914d3bbdb468becd1edf148602309150386","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:04.067294Z","signature_b64":"8U7jhwohIro2SpXzNLIZNacJ1dR0x4zR7XKISJKzTIxTzFsry5um3YMsA5o7JcMNQ3DwDSnRQ1DsHKkz3GuUAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2693631ee9841a909e68d5aec6a66914d3bbdb468becd1edf148602309150386","last_reissued_at":"2026-05-18T01:12:04.066963Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:04.066963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.09177","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":"2026-05-18T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UMvHGwXhc07I/unIkTM10tk9QcPAVRBE2GvunHFg04TYdYvO1W3Qgzqu2M5Moiram44d7bIpZg3P0PAZviGpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:54:16.037011Z"},"content_sha256":"f5318564a3e2888ed88d408eb07b17fca16f9559e5c9c012658623b12fbeb089","schema_version":"1.0","event_id":"sha256:f5318564a3e2888ed88d408eb07b17fca16f9559e5c9c012658623b12fbeb089"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:E2JWGHXJQQNJBHTI2WXMNJTJCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic Cold Cores VII: Filament Formation and Evolution - Methods & Observational Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Marston, A. Men'shchikov, A. Rivera-Ingraham, D. J. Marshall, D. Paradis, D. Ward-Thompson, I. Ristorcelli, J. Malinen, J. Montillaud, J.-P. Bernard, L. Montier, L. Pagani, M. Juvela, N. Ysard, P. G. Martin, R. Paladini, V.-M. Pelkonen, V. T\\'oth","submitted_at":"2016-03-30T13:21:30Z","abstract_excerpt":"The association of filaments with protostellar objects has made these structures a priority target in star formation studies. The datasets of the Herschel Galactic Cold Cores Key Programme allow for a statistical study of filaments with a wide range of intrinsic and environmental characteristics. Characterisation of this sample can be used to identify key physical parameters and quantify the role of environment in the formation of supercritical filaments. Filaments were extracted from fields at D<500pc with the getfilaments algorithm and characterised according to their column density profiles"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.09177","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":"2026-05-18T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"haUhhqVXbIZfZDZUWg5gcv82vYOPSW6ABYMITFlPZUJxiauPlFcwTLFKDhxdqTFHr+e5PKolUaVLbPTV3d+MDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:54:16.037604Z"},"content_sha256":"7371d2b628f6d32be3170c4e4f5f09d373faf93a521508f22f7ba7eac9b8a3f9","schema_version":"1.0","event_id":"sha256:7371d2b628f6d32be3170c4e4f5f09d373faf93a521508f22f7ba7eac9b8a3f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/bundle.json","state_url":"https://pith.science/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/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":"2026-05-18T21:54:16Z","links":{"resolver":"https://pith.science/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT","bundle":"https://pith.science/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/bundle.json","state":"https://pith.science/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E2JWGHXJQQNJBHTI2WXMNJTJCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:E2JWGHXJQQNJBHTI2WXMNJTJCT","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":"818b31102835b987b7bc7357ce9e875d95fd3e0f52f98405c7e1e5178d021a36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-30T13:21:30Z","title_canon_sha256":"b3576ca184944c49f500b3c0b3c88f8ed27ad458c699d6d69ba134dcea75deaf"},"schema_version":"1.0","source":{"id":"1603.09177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.09177","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.09177v1","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.09177","created_at":"2026-05-18T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"E2JWGHXJQQNJ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E2JWGHXJQQNJBHTI","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E2JWGHXJ","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:7371d2b628f6d32be3170c4e4f5f09d373faf93a521508f22f7ba7eac9b8a3f9","target":"graph","created_at":"2026-05-18T01:12:04Z","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 association of filaments with protostellar objects has made these structures a priority target in star formation studies. The datasets of the Herschel Galactic Cold Cores Key Programme allow for a statistical study of filaments with a wide range of intrinsic and environmental characteristics. Characterisation of this sample can be used to identify key physical parameters and quantify the role of environment in the formation of supercritical filaments. Filaments were extracted from fields at D<500pc with the getfilaments algorithm and characterised according to their column density profiles","authors_text":"A. Marston, A. Men'shchikov, A. Rivera-Ingraham, D. J. Marshall, D. Paradis, D. Ward-Thompson, I. Ristorcelli, J. Malinen, J. Montillaud, J.-P. Bernard, L. Montier, L. Pagani, M. Juvela, N. Ysard, P. G. Martin, R. Paladini, V.-M. Pelkonen, V. T\\'oth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-30T13:21:30Z","title":"Galactic Cold Cores VII: Filament Formation and Evolution - Methods & Observational Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.09177","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:f5318564a3e2888ed88d408eb07b17fca16f9559e5c9c012658623b12fbeb089","target":"record","created_at":"2026-05-18T01:12:04Z","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":"818b31102835b987b7bc7357ce9e875d95fd3e0f52f98405c7e1e5178d021a36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-30T13:21:30Z","title_canon_sha256":"b3576ca184944c49f500b3c0b3c88f8ed27ad458c699d6d69ba134dcea75deaf"},"schema_version":"1.0","source":{"id":"1603.09177","kind":"arxiv","version":1}},"canonical_sha256":"2693631ee9841a909e68d5aec6a66914d3bbdb468becd1edf148602309150386","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2693631ee9841a909e68d5aec6a66914d3bbdb468becd1edf148602309150386","first_computed_at":"2026-05-18T01:12:04.066963Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:04.066963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8U7jhwohIro2SpXzNLIZNacJ1dR0x4zR7XKISJKzTIxTzFsry5um3YMsA5o7JcMNQ3DwDSnRQ1DsHKkz3GuUAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:04.067294Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.09177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5318564a3e2888ed88d408eb07b17fca16f9559e5c9c012658623b12fbeb089","sha256:7371d2b628f6d32be3170c4e4f5f09d373faf93a521508f22f7ba7eac9b8a3f9"],"state_sha256":"e1ed1a5b70772c505a6f86ce1e74c5922a6c979c5de3b0c916158dedf817c18d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cKP9CxAGZ3yBSZZjbiT1gcTfNOBLNDBnFC/4PsQpBWtYcZx2MN5TikwFK9GynscYv3L0r+KnB8mrSCZ/88P2Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T21:54:16.039445Z","bundle_sha256":"48579b6f415b4a30d88766ed62cd0973cc5dea6d580b959843ca9f872646b0bf"}}