{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6DO2Q3ZERZ5TAF3KUWJRREROKK","short_pith_number":"pith:6DO2Q3ZE","canonical_record":{"source":{"id":"1303.4343","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-18T18:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"892ef313c78c19d5b63eb647695606edbc49c73b5d3a1da695d84145cc60c8f5","abstract_canon_sha256":"c8ba74bea794a36fb1889fda4ba17576f5745af4ba402b0e8b551aefc5737050"},"schema_version":"1.0"},"canonical_sha256":"f0dda86f248e7b30176aa59318922e52b7091161c06afac70dce786417bdf953","source":{"kind":"arxiv","id":"1303.4343","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.4343","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1303.4343v3","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4343","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"6DO2Q3ZERZ5T","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6DO2Q3ZERZ5TAF3K","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6DO2Q3ZE","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6DO2Q3ZERZ5TAF3KUWJRREROKK","target":"record","payload":{"canonical_record":{"source":{"id":"1303.4343","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-18T18:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"892ef313c78c19d5b63eb647695606edbc49c73b5d3a1da695d84145cc60c8f5","abstract_canon_sha256":"c8ba74bea794a36fb1889fda4ba17576f5745af4ba402b0e8b551aefc5737050"},"schema_version":"1.0"},"canonical_sha256":"f0dda86f248e7b30176aa59318922e52b7091161c06afac70dce786417bdf953","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:01.127710Z","signature_b64":"o9LyXvuycDYss7DgqQ475nLMm7ogpzfnMdHtfreU1A/Gzt6inwOIvbr4muM4iyeAo8zRiDjoarGrv6JgKM7IBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0dda86f248e7b30176aa59318922e52b7091161c06afac70dce786417bdf953","last_reissued_at":"2026-05-18T01:51:01.127216Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:01.127216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.4343","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lszWXJVxy38oyNOkGrE6isgkHn8Hi/6I/evHXvJMagB7u7Dca07f2+sYxu0aYB9KAoxsLGdR+Lgj812igPDfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:12:47.295061Z"},"content_sha256":"e214ace3b65f995a456c3d65799f2eaea856c51360d13a7f2fb7c87c4473cce7","schema_version":"1.0","event_id":"sha256:e214ace3b65f995a456c3d65799f2eaea856c51360d13a7f2fb7c87c4473cce7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6DO2Q3ZERZ5TAF3KUWJRREROKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Dynamics of Massive Starless Cores with ALMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Dept. of Physics, (3) School of Physics, (4) INAF - Osservatorio Astrofisico di Arcetri), Astronomy, Francesco Fontani (4) ((1) Dept. of Astronomy, Jonathan C. Tan (1, Michael J. Butler (1), Paola Caselli (3), Shuo Kong (1), University of Florida, University of Leeds","submitted_at":"2013-03-18T18:00:58Z","abstract_excerpt":"How do stars that are more massive than the Sun form, and thus how is the stellar initial mass function (IMF) established? Such intermediate- and high-mass stars may be born from relatively massive pre-stellar gas cores, which are more massive than the thermal Jeans mass. The Turbulent Core Accretion model invokes such cores as being in approximate virial equilibrium and in approximate pressure equilibrium with their surrounding clump medium. Their internal pressure is provided by a combination of turbulence and magnetic fields. Alternatively, the Competitive Accretion model requires strongly "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4343","kind":"arxiv","version":3},"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":"2026-05-18T01:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z4hwtlrWV9Sgo46Vbaagz8asxEOUGdj7RwJULX6vEFux5nR+5hKMgjKUXjS+lGPwG2WRIXhI1RmfZaZHplOcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:12:47.295765Z"},"content_sha256":"c923a95b0db2fcdf6a56d22a06c82ad4c0ca70ca774ff89e58d247dea5785408","schema_version":"1.0","event_id":"sha256:c923a95b0db2fcdf6a56d22a06c82ad4c0ca70ca774ff89e58d247dea5785408"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/bundle.json","state_url":"https://pith.science/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/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":"2026-05-29T21:12:47Z","links":{"resolver":"https://pith.science/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK","bundle":"https://pith.science/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/bundle.json","state":"https://pith.science/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6DO2Q3ZERZ5TAF3KUWJRREROKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6DO2Q3ZERZ5TAF3KUWJRREROKK","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":"c8ba74bea794a36fb1889fda4ba17576f5745af4ba402b0e8b551aefc5737050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-18T18:00:58Z","title_canon_sha256":"892ef313c78c19d5b63eb647695606edbc49c73b5d3a1da695d84145cc60c8f5"},"schema_version":"1.0","source":{"id":"1303.4343","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.4343","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1303.4343v3","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4343","created_at":"2026-05-18T01:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"6DO2Q3ZERZ5T","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6DO2Q3ZERZ5TAF3K","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6DO2Q3ZE","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:c923a95b0db2fcdf6a56d22a06c82ad4c0ca70ca774ff89e58d247dea5785408","target":"graph","created_at":"2026-05-18T01:51:01Z","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":"How do stars that are more massive than the Sun form, and thus how is the stellar initial mass function (IMF) established? Such intermediate- and high-mass stars may be born from relatively massive pre-stellar gas cores, which are more massive than the thermal Jeans mass. The Turbulent Core Accretion model invokes such cores as being in approximate virial equilibrium and in approximate pressure equilibrium with their surrounding clump medium. Their internal pressure is provided by a combination of turbulence and magnetic fields. Alternatively, the Competitive Accretion model requires strongly ","authors_text":"2), (2) Dept. of Physics, (3) School of Physics, (4) INAF - Osservatorio Astrofisico di Arcetri), Astronomy, Francesco Fontani (4) ((1) Dept. of Astronomy, Jonathan C. Tan (1, Michael J. Butler (1), Paola Caselli (3), Shuo Kong (1), University of Florida, University of Leeds","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-18T18:00:58Z","title":"The Dynamics of Massive Starless Cores with ALMA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4343","kind":"arxiv","version":3},"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:e214ace3b65f995a456c3d65799f2eaea856c51360d13a7f2fb7c87c4473cce7","target":"record","created_at":"2026-05-18T01:51:01Z","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":"c8ba74bea794a36fb1889fda4ba17576f5745af4ba402b0e8b551aefc5737050","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-03-18T18:00:58Z","title_canon_sha256":"892ef313c78c19d5b63eb647695606edbc49c73b5d3a1da695d84145cc60c8f5"},"schema_version":"1.0","source":{"id":"1303.4343","kind":"arxiv","version":3}},"canonical_sha256":"f0dda86f248e7b30176aa59318922e52b7091161c06afac70dce786417bdf953","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0dda86f248e7b30176aa59318922e52b7091161c06afac70dce786417bdf953","first_computed_at":"2026-05-18T01:51:01.127216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:01.127216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o9LyXvuycDYss7DgqQ475nLMm7ogpzfnMdHtfreU1A/Gzt6inwOIvbr4muM4iyeAo8zRiDjoarGrv6JgKM7IBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:01.127710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.4343","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e214ace3b65f995a456c3d65799f2eaea856c51360d13a7f2fb7c87c4473cce7","sha256:c923a95b0db2fcdf6a56d22a06c82ad4c0ca70ca774ff89e58d247dea5785408"],"state_sha256":"3961af91f2ddd8f634abc22112074563c942cc14c65ebee4554972f57e8116bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+9jn2g/nPBy0Yz4+49sD7p1fgNTTiFediHx5O0ZhcJSt0LAy6SPUDI5DRVwlefp0CGvxnbTGO6Iw5RboiK4BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:12:47.300287Z","bundle_sha256":"fa5b3ed5475d79856fdd26d29fbda96323234e7f1e8546cbe1da2cea4f37f0e9"}}