{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:6BZWHU3FKHL2IRSYHCZER2TUR4","short_pith_number":"pith:6BZWHU3F","canonical_record":{"source":{"id":"astro-ph/0502175","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-08T23:52:55Z","cross_cats_sorted":[],"title_canon_sha256":"936c59e00a50b0bcad63414c54e97aa97290e001960b03139cd1d74d2aa8e7c8","abstract_canon_sha256":"5d978273ae5da21ee13d1f169fb810f76f2bf5b09ffd4f0460f2c807666ab3d6"},"schema_version":"1.0"},"canonical_sha256":"f07363d36551d7a4465838b248ea748f14d4472ca805929f785999d969614d43","source":{"kind":"arxiv","id":"astro-ph/0502175","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502175","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502175v2","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502175","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"pith_short_12","alias_value":"6BZWHU3FKHL2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"6BZWHU3FKHL2IRSY","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"6BZWHU3F","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:6BZWHU3FKHL2IRSYHCZER2TUR4","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0502175","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-08T23:52:55Z","cross_cats_sorted":[],"title_canon_sha256":"936c59e00a50b0bcad63414c54e97aa97290e001960b03139cd1d74d2aa8e7c8","abstract_canon_sha256":"5d978273ae5da21ee13d1f169fb810f76f2bf5b09ffd4f0460f2c807666ab3d6"},"schema_version":"1.0"},"canonical_sha256":"f07363d36551d7a4465838b248ea748f14d4472ca805929f785999d969614d43","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:31.688901Z","signature_b64":"HtZi13i5D8Wqs85z49+hsIXc5xs61hM654utmaofnCgDTAxwhhqpL9e88bsImWnY0Ipi/brThHv7jKW9dhoJDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f07363d36551d7a4465838b248ea748f14d4472ca805929f785999d969614d43","last_reissued_at":"2026-05-18T01:07:31.688130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:31.688130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0502175","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:07:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLfr7HAU/Ta5pEUmfeKLSNNqCTdzEgqY29ZdCblW++10ChfxtfFPcJeDlDZ7LylEBHmqWDRWTv35TCZCgQqtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:59:45.542664Z"},"content_sha256":"9e77ffebc08eed228461eae79aaf62fda11a898bb025a37027fa77c076b52d37","schema_version":"1.0","event_id":"sha256:9e77ffebc08eed228461eae79aaf62fda11a898bb025a37027fa77c076b52d37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:6BZWHU3FKHL2IRSYHCZER2TUR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The velocity field of baryonic gas in the universe","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) National Astronomical Observatories --China, 3), (3) Univeristy of Arizona, 4), (4) Purple Mountain Observatory), Bryan Kim (1), Jes\\'us Pando (1), Li-Zhi Fang (3) ((1) DePaul University, Long-Long Feng (2, Ping He (2","submitted_at":"2005-02-08T23:52:55Z","abstract_excerpt":"The dynamic evolution of the baryonic intergalactic medium (IGM) caused by the underlying dark matter gravity is governed by the Navier-Stokes equations in which many cooling and heating processes are involved. However, it has long been recognized that the growth mode dynamics of cosmic matter clustering can be sketched by a random force driven Burgers' equation if cooling and heating are ignored. Just how well the dynamics of the IGM can be described as a Burgers fluid has not been fully investigated probably because cooling and heating are essential for a detailed understanding of the IGM. U"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502175","kind":"arxiv","version":2},"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":"2026-05-18T01:07:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EFhE6zzhOheCybF5nYLOAVKZqeEc/e6TmETIO3raHbUdWhUSG0nEqfoWxAYG9eShz45wly+tQ8hDCcPlrJiMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:59:45.543015Z"},"content_sha256":"1c03228e818c1946a9774b31c363587fcad28a9ccd65f955c7e1141470514dd1","schema_version":"1.0","event_id":"sha256:1c03228e818c1946a9774b31c363587fcad28a9ccd65f955c7e1141470514dd1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/bundle.json","state_url":"https://pith.science/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/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":"2026-06-01T16:59:45Z","links":{"resolver":"https://pith.science/pith/6BZWHU3FKHL2IRSYHCZER2TUR4","bundle":"https://pith.science/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/bundle.json","state":"https://pith.science/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6BZWHU3FKHL2IRSYHCZER2TUR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:6BZWHU3FKHL2IRSYHCZER2TUR4","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":"5d978273ae5da21ee13d1f169fb810f76f2bf5b09ffd4f0460f2c807666ab3d6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-08T23:52:55Z","title_canon_sha256":"936c59e00a50b0bcad63414c54e97aa97290e001960b03139cd1d74d2aa8e7c8"},"schema_version":"1.0","source":{"id":"astro-ph/0502175","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502175","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502175v2","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502175","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"pith_short_12","alias_value":"6BZWHU3FKHL2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"6BZWHU3FKHL2IRSY","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"6BZWHU3F","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:1c03228e818c1946a9774b31c363587fcad28a9ccd65f955c7e1141470514dd1","target":"graph","created_at":"2026-05-18T01:07:31Z","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 dynamic evolution of the baryonic intergalactic medium (IGM) caused by the underlying dark matter gravity is governed by the Navier-Stokes equations in which many cooling and heating processes are involved. However, it has long been recognized that the growth mode dynamics of cosmic matter clustering can be sketched by a random force driven Burgers' equation if cooling and heating are ignored. Just how well the dynamics of the IGM can be described as a Burgers fluid has not been fully investigated probably because cooling and heating are essential for a detailed understanding of the IGM. U","authors_text":"(2) National Astronomical Observatories --China, 3), (3) Univeristy of Arizona, 4), (4) Purple Mountain Observatory), Bryan Kim (1), Jes\\'us Pando (1), Li-Zhi Fang (3) ((1) DePaul University, Long-Long Feng (2, Ping He (2","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-02-08T23:52:55Z","title":"The velocity field of baryonic gas in the universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502175","kind":"arxiv","version":2},"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":"sha256:9e77ffebc08eed228461eae79aaf62fda11a898bb025a37027fa77c076b52d37","target":"record","created_at":"2026-05-18T01:07:31Z","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":"5d978273ae5da21ee13d1f169fb810f76f2bf5b09ffd4f0460f2c807666ab3d6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-08T23:52:55Z","title_canon_sha256":"936c59e00a50b0bcad63414c54e97aa97290e001960b03139cd1d74d2aa8e7c8"},"schema_version":"1.0","source":{"id":"astro-ph/0502175","kind":"arxiv","version":2}},"canonical_sha256":"f07363d36551d7a4465838b248ea748f14d4472ca805929f785999d969614d43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f07363d36551d7a4465838b248ea748f14d4472ca805929f785999d969614d43","first_computed_at":"2026-05-18T01:07:31.688130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:31.688130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HtZi13i5D8Wqs85z49+hsIXc5xs61hM654utmaofnCgDTAxwhhqpL9e88bsImWnY0Ipi/brThHv7jKW9dhoJDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:31.688901Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0502175","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e77ffebc08eed228461eae79aaf62fda11a898bb025a37027fa77c076b52d37","sha256:1c03228e818c1946a9774b31c363587fcad28a9ccd65f955c7e1141470514dd1"],"state_sha256":"c857af1e784d10e1a9b6210567d967e1575571b49bcb6cf0249d1f11616d4a2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LvJ2VqgMEeYOYpC7X8VZpV9CgTpkdS5XCG/QSIOL+Aer95HsaRvBYW7CZAgjWDXk8vkZa6bNF/liVT4kd4ajCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T16:59:45.545217Z","bundle_sha256":"b8dfad6bbdff60d57bdd4210dd8103613e1e18464740cb5f91363b5b680d1fa0"}}