{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BHC7NPIRDLZG3NDK67PRWGOAHT","short_pith_number":"pith:BHC7NPIR","canonical_record":{"source":{"id":"2405.20803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-31T14:04:04Z","cross_cats_sorted":[],"title_canon_sha256":"967032dc1ac7e3fe17132849d054a976289c6f227c053b956e10a85bc91b939f","abstract_canon_sha256":"fbdc741d017560c8c91da32221a0b10e6bd583db0561269128549bad16a33e36"},"schema_version":"1.0"},"canonical_sha256":"09c5f6bd111af26db46af7df1b19c03cf9ef3aaa80d2f979844b6387d338f453","source":{"kind":"arxiv","id":"2405.20803","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.20803","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"arxiv_version","alias_value":"2405.20803v1","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.20803","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_12","alias_value":"BHC7NPIRDLZG","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_16","alias_value":"BHC7NPIRDLZG3NDK","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_8","alias_value":"BHC7NPIR","created_at":"2026-07-05T08:25:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BHC7NPIRDLZG3NDK67PRWGOAHT","target":"record","payload":{"canonical_record":{"source":{"id":"2405.20803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-31T14:04:04Z","cross_cats_sorted":[],"title_canon_sha256":"967032dc1ac7e3fe17132849d054a976289c6f227c053b956e10a85bc91b939f","abstract_canon_sha256":"fbdc741d017560c8c91da32221a0b10e6bd583db0561269128549bad16a33e36"},"schema_version":"1.0"},"canonical_sha256":"09c5f6bd111af26db46af7df1b19c03cf9ef3aaa80d2f979844b6387d338f453","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:25:42.180227Z","signature_b64":"J0lUv6KZARw7Gt9vROmeO9uVs93N53nZZF4tJnM6ouIOIE320DcVPBK7ZOJJn2Ha26HWBpidyYMi6qbxnYQiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09c5f6bd111af26db46af7df1b19c03cf9ef3aaa80d2f979844b6387d338f453","last_reissued_at":"2026-07-05T08:25:42.179845Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:25:42.179845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.20803","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":"2026-07-05T08:25:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vT1daqtM6ObYZPAA3/0tk7lIcMijq9PzR9BCRzQRdiLix8FYw+s+alrJ+NQnLK75rZubTkRNABdX+fQDxIcJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:02:42.778988Z"},"content_sha256":"dd05e61168801c2c8894223abb60d062c6636bcbec1d96d9276384fc0dd722a5","schema_version":"1.0","event_id":"sha256:dd05e61168801c2c8894223abb60d062c6636bcbec1d96d9276384fc0dd722a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BHC7NPIRDLZG3NDK67PRWGOAHT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Star formation across cosmic time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jonathan Freundlich","submitted_at":"2024-05-31T14:04:04Z","abstract_excerpt":"The interstellar medium of galaxies is composed of multiple phases, including molecular, atomic, and ionized gas, as well as dust. Stars are formed within this medium from cold molecular gas clouds, which collapse due to their gravitational attraction. Throughout their life, stars emit strong radiation fields and stellar winds, and they can also explode as supernovae at the end of their life. These processes contribute to stirring the turbulent interstellar medium and regulate star formation by heating up, ionizing, and expelling part of the gas. However, star formation does not proceed unifor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.20803","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.20803/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:25:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"No86b4aiWrJ4hu5xd+U6x5xrTWQXx1kwx//mhiIho7nAHz1exJVBgGStbG12wh1tWYH7TVbS05+xqA+EHZFvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:02:42.779381Z"},"content_sha256":"f3baac1a8af63ef1a8ae2af0577cd0683e962ec1e297b5bcd841ca7624d2ae73","schema_version":"1.0","event_id":"sha256:f3baac1a8af63ef1a8ae2af0577cd0683e962ec1e297b5bcd841ca7624d2ae73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/bundle.json","state_url":"https://pith.science/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/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":"2026-07-06T16:02:42Z","links":{"resolver":"https://pith.science/pith/BHC7NPIRDLZG3NDK67PRWGOAHT","bundle":"https://pith.science/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/bundle.json","state":"https://pith.science/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BHC7NPIRDLZG3NDK67PRWGOAHT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BHC7NPIRDLZG3NDK67PRWGOAHT","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":"fbdc741d017560c8c91da32221a0b10e6bd583db0561269128549bad16a33e36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-31T14:04:04Z","title_canon_sha256":"967032dc1ac7e3fe17132849d054a976289c6f227c053b956e10a85bc91b939f"},"schema_version":"1.0","source":{"id":"2405.20803","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.20803","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"arxiv_version","alias_value":"2405.20803v1","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.20803","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_12","alias_value":"BHC7NPIRDLZG","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_16","alias_value":"BHC7NPIRDLZG3NDK","created_at":"2026-07-05T08:25:42Z"},{"alias_kind":"pith_short_8","alias_value":"BHC7NPIR","created_at":"2026-07-05T08:25:42Z"}],"graph_snapshots":[{"event_id":"sha256:f3baac1a8af63ef1a8ae2af0577cd0683e962ec1e297b5bcd841ca7624d2ae73","target":"graph","created_at":"2026-07-05T08:25:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.20803/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interstellar medium of galaxies is composed of multiple phases, including molecular, atomic, and ionized gas, as well as dust. Stars are formed within this medium from cold molecular gas clouds, which collapse due to their gravitational attraction. Throughout their life, stars emit strong radiation fields and stellar winds, and they can also explode as supernovae at the end of their life. These processes contribute to stirring the turbulent interstellar medium and regulate star formation by heating up, ionizing, and expelling part of the gas. However, star formation does not proceed unifor","authors_text":"Jonathan Freundlich","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-31T14:04:04Z","title":"Star formation across cosmic time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.20803","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:dd05e61168801c2c8894223abb60d062c6636bcbec1d96d9276384fc0dd722a5","target":"record","created_at":"2026-07-05T08:25:42Z","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":"fbdc741d017560c8c91da32221a0b10e6bd583db0561269128549bad16a33e36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-05-31T14:04:04Z","title_canon_sha256":"967032dc1ac7e3fe17132849d054a976289c6f227c053b956e10a85bc91b939f"},"schema_version":"1.0","source":{"id":"2405.20803","kind":"arxiv","version":1}},"canonical_sha256":"09c5f6bd111af26db46af7df1b19c03cf9ef3aaa80d2f979844b6387d338f453","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09c5f6bd111af26db46af7df1b19c03cf9ef3aaa80d2f979844b6387d338f453","first_computed_at":"2026-07-05T08:25:42.179845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:25:42.179845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J0lUv6KZARw7Gt9vROmeO9uVs93N53nZZF4tJnM6ouIOIE320DcVPBK7ZOJJn2Ha26HWBpidyYMi6qbxnYQiBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:25:42.180227Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.20803","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd05e61168801c2c8894223abb60d062c6636bcbec1d96d9276384fc0dd722a5","sha256:f3baac1a8af63ef1a8ae2af0577cd0683e962ec1e297b5bcd841ca7624d2ae73"],"state_sha256":"9af206d7756dfa090ef2ed7ae3141d8c48ab844067a9d8e7493958381bc58faa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nba1f3bEKDrLIeMtA6BXzepLm6UiBpRXOAYaxzLu7EBVjeW4X/S8YvTSCFcpjgZmgOz0edjDBgutCcieV8vWDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:02:42.781235Z","bundle_sha256":"1a32ce091518ffc2cc772b846be574cb413880b77522935f01240c8ab61fbb76"}}