{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:YA5ASMWTFROSERNPJXFVTQNCZ6","short_pith_number":"pith:YA5ASMWT","canonical_record":{"source":{"id":"1009.2082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-10T19:35:26Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"28bd49e7ae1cc7517138783f0d20f46353147e890caeb84e81a40f68bcf81435","abstract_canon_sha256":"ed62b3cc8e464b7cd7edff211c4d80c27859a43a3700326c9dab263d9804ef4b"},"schema_version":"1.0"},"canonical_sha256":"c03a0932d32c5d2245af4dcb59c1a2cfb5e92003c64d5410bd03e07b4499f947","source":{"kind":"arxiv","id":"1009.2082","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2082","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2082v1","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2082","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"pith_short_12","alias_value":"YA5ASMWTFROS","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YA5ASMWTFROSERNP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YA5ASMWT","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:YA5ASMWTFROSERNPJXFVTQNCZ6","target":"record","payload":{"canonical_record":{"source":{"id":"1009.2082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-10T19:35:26Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"28bd49e7ae1cc7517138783f0d20f46353147e890caeb84e81a40f68bcf81435","abstract_canon_sha256":"ed62b3cc8e464b7cd7edff211c4d80c27859a43a3700326c9dab263d9804ef4b"},"schema_version":"1.0"},"canonical_sha256":"c03a0932d32c5d2245af4dcb59c1a2cfb5e92003c64d5410bd03e07b4499f947","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:31.832108Z","signature_b64":"094G/n9bwAQ+LmtPl0hDLvs/9fsjKeYRVsG3v0l1/38VXLoxIeHmYv+FL6tz6iNM/jpGGPydK1IRzbOAmwocAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c03a0932d32c5d2245af4dcb59c1a2cfb5e92003c64d5410bd03e07b4499f947","last_reissued_at":"2026-05-18T02:05:31.831378Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:31.831378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.2082","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":"2026-05-18T02:05:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/eY8G7UZ3vZDkM5HumQuMfFUtHUwtPLo+Amfz8F0wtW94C/3/Ug/nH9eGgAq0U9BdhE6jIyn+UBEwY+n1BDYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:08:17.907342Z"},"content_sha256":"f8b692b72721f75b6b3c1f6607a14e8a76a852216b50bd67c4ee4cd92ecef762","schema_version":"1.0","event_id":"sha256:f8b692b72721f75b6b3c1f6607a14e8a76a852216b50bd67c4ee4cd92ecef762"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:YA5ASMWTFROSERNPJXFVTQNCZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young starless cores embedded in the magnetically dominated Pipe Nebula","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"(2) Osservatorio Astrofisico di Arcetri (INAF), (3) Institute of Astronomy, 4), (4) Department of Earth Sciences (NTNU), (5) Departamentd'Astronomia i Meteorologia, (6) Departamento de Fisica, Alvaro Sanchez-Monge (5), Astrophysics (Academia Sinica), Felipe O. Alves (1), Gabriel A. P. Franco (6) ((1) Institut de Ciencies de l'Espai (CSIC-IEEC), Gemma Busquet (5), Institut de Ciencies del Cosmos (IEEC-UB), Josep Maria Masque (5), Josep Miquel Girart (1), Maria T. Beltran (2), Oscar Morata (3, Pau Frau (1), Robert Estalella (5), UFMG)","submitted_at":"2010-09-10T19:35:26Z","abstract_excerpt":"The Pipe Nebula is a massive, nearby dark molecular cloud with a low star-formation efficiency which makes it a good laboratory to study the very early stages of the star formation process. The Pipe Nebula is largely filamentary, and appears to be threaded by a uniform magnetic field at scales of few parsecs, perpendicular to its main axis. The field is only locally perturbed in a few regions, such as the only active cluster forming core B59. The aim of this study is to investigate primordial conditions in low-mass pre-stellar cores and how they relate to the local magnetic field in the cloud."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2082","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":"2026-05-18T02:05:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7mzCaIE3yxY81dhZp1UjVghmeLISqCd1IlPMeTPp+PfH0m0OkSd/zeEXHb4xlSPP5X7jcMNC0vNF7ErSt1XEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:08:17.908054Z"},"content_sha256":"bf06f1b04ba9a6a430c39b8e7153c4460e166b9c935fc902c25772515a97b5ba","schema_version":"1.0","event_id":"sha256:bf06f1b04ba9a6a430c39b8e7153c4460e166b9c935fc902c25772515a97b5ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/bundle.json","state_url":"https://pith.science/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/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":"2026-05-30T22:08:17Z","links":{"resolver":"https://pith.science/pith/YA5ASMWTFROSERNPJXFVTQNCZ6","bundle":"https://pith.science/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/bundle.json","state":"https://pith.science/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YA5ASMWTFROSERNPJXFVTQNCZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YA5ASMWTFROSERNPJXFVTQNCZ6","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":"ed62b3cc8e464b7cd7edff211c4d80c27859a43a3700326c9dab263d9804ef4b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-10T19:35:26Z","title_canon_sha256":"28bd49e7ae1cc7517138783f0d20f46353147e890caeb84e81a40f68bcf81435"},"schema_version":"1.0","source":{"id":"1009.2082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2082","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2082v1","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2082","created_at":"2026-05-18T02:05:31Z"},{"alias_kind":"pith_short_12","alias_value":"YA5ASMWTFROS","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YA5ASMWTFROSERNP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YA5ASMWT","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:bf06f1b04ba9a6a430c39b8e7153c4460e166b9c935fc902c25772515a97b5ba","target":"graph","created_at":"2026-05-18T02:05:31Z","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 dark molecular cloud with a low star-formation efficiency which makes it a good laboratory to study the very early stages of the star formation process. The Pipe Nebula is largely filamentary, and appears to be threaded by a uniform magnetic field at scales of few parsecs, perpendicular to its main axis. The field is only locally perturbed in a few regions, such as the only active cluster forming core B59. The aim of this study is to investigate primordial conditions in low-mass pre-stellar cores and how they relate to the local magnetic field in the cloud.","authors_text":"(2) Osservatorio Astrofisico di Arcetri (INAF), (3) Institute of Astronomy, 4), (4) Department of Earth Sciences (NTNU), (5) Departamentd'Astronomia i Meteorologia, (6) Departamento de Fisica, Alvaro Sanchez-Monge (5), Astrophysics (Academia Sinica), Felipe O. Alves (1), Gabriel A. P. Franco (6) ((1) Institut de Ciencies de l'Espai (CSIC-IEEC), Gemma Busquet (5), Institut de Ciencies del Cosmos (IEEC-UB), Josep Maria Masque (5), Josep Miquel Girart (1), Maria T. Beltran (2), Oscar Morata (3, Pau Frau (1), Robert Estalella (5), UFMG)","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-10T19:35:26Z","title":"Young starless cores embedded in the magnetically dominated Pipe Nebula"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2082","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:f8b692b72721f75b6b3c1f6607a14e8a76a852216b50bd67c4ee4cd92ecef762","target":"record","created_at":"2026-05-18T02:05:31Z","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":"ed62b3cc8e464b7cd7edff211c4d80c27859a43a3700326c9dab263d9804ef4b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-10T19:35:26Z","title_canon_sha256":"28bd49e7ae1cc7517138783f0d20f46353147e890caeb84e81a40f68bcf81435"},"schema_version":"1.0","source":{"id":"1009.2082","kind":"arxiv","version":1}},"canonical_sha256":"c03a0932d32c5d2245af4dcb59c1a2cfb5e92003c64d5410bd03e07b4499f947","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c03a0932d32c5d2245af4dcb59c1a2cfb5e92003c64d5410bd03e07b4499f947","first_computed_at":"2026-05-18T02:05:31.831378Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:31.831378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"094G/n9bwAQ+LmtPl0hDLvs/9fsjKeYRVsG3v0l1/38VXLoxIeHmYv+FL6tz6iNM/jpGGPydK1IRzbOAmwocAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:31.832108Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.2082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8b692b72721f75b6b3c1f6607a14e8a76a852216b50bd67c4ee4cd92ecef762","sha256:bf06f1b04ba9a6a430c39b8e7153c4460e166b9c935fc902c25772515a97b5ba"],"state_sha256":"2f37201e15b05dee361715ecf8ac3572e49f1d343f65402e17de42dc8415c71a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8VkblcUtD/B+rNoMUfaLrwx98usq+Ywhw3+HpQhFGXgy/9atzUdAy2Jrp5eEgR8b+z3GvIUqq/BdzImX77KLBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:08:17.912792Z","bundle_sha256":"988151ea2b136d27fbea772e11ab6473ded6a5cb3c86663d38f5b8167f896ea0"}}