{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WLRKDUXJRWEWDTI6KFAI7XB2B4","short_pith_number":"pith:WLRKDUXJ","canonical_record":{"source":{"id":"1207.3310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-13T17:17:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7beeb352a11acc3eb25ceeb47831110b78131ed914a136f9034a2435f46b81db","abstract_canon_sha256":"f02291cdbeb657ddceb1d711940dc7bfdf1357402efe27c464e5777f947951b6"},"schema_version":"1.0"},"canonical_sha256":"b2e2a1d2e98d8961cd1e51408fdc3a0f0a29179219e33781beeec55e8d56efbc","source":{"kind":"arxiv","id":"1207.3310","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3310","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3310v1","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3310","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"pith_short_12","alias_value":"WLRKDUXJRWEW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WLRKDUXJRWEWDTI6","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WLRKDUXJ","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WLRKDUXJRWEWDTI6KFAI7XB2B4","target":"record","payload":{"canonical_record":{"source":{"id":"1207.3310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-13T17:17:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7beeb352a11acc3eb25ceeb47831110b78131ed914a136f9034a2435f46b81db","abstract_canon_sha256":"f02291cdbeb657ddceb1d711940dc7bfdf1357402efe27c464e5777f947951b6"},"schema_version":"1.0"},"canonical_sha256":"b2e2a1d2e98d8961cd1e51408fdc3a0f0a29179219e33781beeec55e8d56efbc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:23.877483Z","signature_b64":"PoiegHQbjv6W1LKP1MODtA2ZuUwY501QLp4d9RwaxwbmEhGvQNFcccvx/4BgAS4AeC4VCVM2NGvVss1uj9ARDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2e2a1d2e98d8961cd1e51408fdc3a0f0a29179219e33781beeec55e8d56efbc","last_reissued_at":"2026-05-18T01:56:23.876985Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:23.876985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.3310","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":"2026-05-18T01:56:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"woQYow5gZrfg+50tSHj3018cGWLbcLPx72rC7UCBATm5EXSawXUrSQ0gq8MM+DNPU8bp7BbTccLzrSl+fhM1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:20:45.430176Z"},"content_sha256":"8c0ca5e7b15b7d670fed721f34d98e771f5a5d8ebad57a2cd0f05a77f96cdb69","schema_version":"1.0","event_id":"sha256:8c0ca5e7b15b7d670fed721f34d98e771f5a5d8ebad57a2cd0f05a77f96cdb69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WLRKDUXJRWEWDTI6KFAI7XB2B4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young starless cores embedded in the magnetically dominated Pipe Nebula. II. Extended dataset","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"(2) INAF-Arcetri, (3) INAF-IAPS, (4) IAA-ASIAA, (5) DAM-ICC (IEEC-UB), (6) AIfA, (7) ICEx-UFMG), A. Sanchez-Monge (2), F. O. Alves (6), G. A. P. Franco (7), G. Busquet (3), J. M. Girart (1), J. M. Masque (5), M. Padovani (1), M. T. Beltran (2), O. Morata (4), P. Frau (1), R. Estalella (5) ((1) ICE (CSIC-IEEC)","submitted_at":"2012-07-13T17:17:38Z","abstract_excerpt":"The Pipe nebula is a massive, nearby, filamentary dark molecular cloud with a low star-formation efficiency threaded by a uniform magnetic field perpendicular to its main axis. It harbors more than a hundred, mostly quiescent, very chemically young starless cores. The cloud is, therefore, a good laboratory to study the earliest stages of the star-formation process. We aim to investigate the primordial conditions and the relation among physical, chemical, and magnetic properties in the evolution of low-mass starless cores. We used the IRAM 30-m telescope to map the 1.2 mm dust continuum emissio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3310","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":"2026-05-18T01:56:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSoFfBIE7t/MBuKdKBeV0EiVo0bwGC0M7as4RgnRLrYi+ns+euksRZ49limNFPx4n/JlcRhxVJcrSY0tYGlsBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:20:45.430945Z"},"content_sha256":"4ea91581d3134df4aa3ea7e51e5408ee0a1a36d3b691bbae556dfeadc4d9caab","schema_version":"1.0","event_id":"sha256:4ea91581d3134df4aa3ea7e51e5408ee0a1a36d3b691bbae556dfeadc4d9caab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/bundle.json","state_url":"https://pith.science/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/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":"2026-05-30T01:20:45Z","links":{"resolver":"https://pith.science/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4","bundle":"https://pith.science/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/bundle.json","state":"https://pith.science/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WLRKDUXJRWEWDTI6KFAI7XB2B4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WLRKDUXJRWEWDTI6KFAI7XB2B4","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":"f02291cdbeb657ddceb1d711940dc7bfdf1357402efe27c464e5777f947951b6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-13T17:17:38Z","title_canon_sha256":"7beeb352a11acc3eb25ceeb47831110b78131ed914a136f9034a2435f46b81db"},"schema_version":"1.0","source":{"id":"1207.3310","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3310","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3310v1","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3310","created_at":"2026-05-18T01:56:23Z"},{"alias_kind":"pith_short_12","alias_value":"WLRKDUXJRWEW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WLRKDUXJRWEWDTI6","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WLRKDUXJ","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:4ea91581d3134df4aa3ea7e51e5408ee0a1a36d3b691bbae556dfeadc4d9caab","target":"graph","created_at":"2026-05-18T01:56:23Z","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 Pipe nebula is a massive, nearby, filamentary dark molecular cloud with a low star-formation efficiency threaded by a uniform magnetic field perpendicular to its main axis. It harbors more than a hundred, mostly quiescent, very chemically young starless cores. The cloud is, therefore, a good laboratory to study the earliest stages of the star-formation process. We aim to investigate the primordial conditions and the relation among physical, chemical, and magnetic properties in the evolution of low-mass starless cores. We used the IRAM 30-m telescope to map the 1.2 mm dust continuum emissio","authors_text":"(2) INAF-Arcetri, (3) INAF-IAPS, (4) IAA-ASIAA, (5) DAM-ICC (IEEC-UB), (6) AIfA, (7) ICEx-UFMG), A. Sanchez-Monge (2), F. O. Alves (6), G. A. P. Franco (7), G. Busquet (3), J. M. Girart (1), J. M. Masque (5), M. Padovani (1), M. T. Beltran (2), O. Morata (4), P. Frau (1), R. Estalella (5) ((1) ICE (CSIC-IEEC)","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-13T17:17:38Z","title":"Young starless cores embedded in the magnetically dominated Pipe Nebula. II. Extended dataset"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3310","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":"sha256:8c0ca5e7b15b7d670fed721f34d98e771f5a5d8ebad57a2cd0f05a77f96cdb69","target":"record","created_at":"2026-05-18T01:56:23Z","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":"f02291cdbeb657ddceb1d711940dc7bfdf1357402efe27c464e5777f947951b6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-13T17:17:38Z","title_canon_sha256":"7beeb352a11acc3eb25ceeb47831110b78131ed914a136f9034a2435f46b81db"},"schema_version":"1.0","source":{"id":"1207.3310","kind":"arxiv","version":1}},"canonical_sha256":"b2e2a1d2e98d8961cd1e51408fdc3a0f0a29179219e33781beeec55e8d56efbc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2e2a1d2e98d8961cd1e51408fdc3a0f0a29179219e33781beeec55e8d56efbc","first_computed_at":"2026-05-18T01:56:23.876985Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:23.876985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PoiegHQbjv6W1LKP1MODtA2ZuUwY501QLp4d9RwaxwbmEhGvQNFcccvx/4BgAS4AeC4VCVM2NGvVss1uj9ARDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:23.877483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.3310","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c0ca5e7b15b7d670fed721f34d98e771f5a5d8ebad57a2cd0f05a77f96cdb69","sha256:4ea91581d3134df4aa3ea7e51e5408ee0a1a36d3b691bbae556dfeadc4d9caab"],"state_sha256":"cd25d0fbad63901ad0667375634098e894f0b8c5cc8cba3514109df20149697f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EwhqUBa7lYWyKAjsHo8LkSezbyJQQxwUrBIY7sPxCF4bYyzsVGp87IaH+KDXlRllhqO5goRcStzOg/EqH02rCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T01:20:45.434993Z","bundle_sha256":"2ca9134ff6524176ea380ad38b3f987996b27477a5842385032025a6fcccf94e"}}