{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FYACIG6RIZXHSSMYGPAMCNFYX6","short_pith_number":"pith:FYACIG6R","canonical_record":{"source":{"id":"1711.07315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-20T14:26:58Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"ed9a25e8669475452f36c97008d2ac9a6304ff632cfef281e6097eaacc261a4b","abstract_canon_sha256":"1855711555251c30536d91cf87c9e013d5d70f6adc1461a426012841bdd3255c"},"schema_version":"1.0"},"canonical_sha256":"2e00241bd1466e79499833c0c134b8bfa74ae174ccb3fdcb15497039e47e6430","source":{"kind":"arxiv","id":"1711.07315","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07315","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07315v2","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07315","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"pith_short_12","alias_value":"FYACIG6RIZXH","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FYACIG6RIZXHSSMY","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FYACIG6R","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FYACIG6RIZXHSSMYGPAMCNFYX6","target":"record","payload":{"canonical_record":{"source":{"id":"1711.07315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-20T14:26:58Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"ed9a25e8669475452f36c97008d2ac9a6304ff632cfef281e6097eaacc261a4b","abstract_canon_sha256":"1855711555251c30536d91cf87c9e013d5d70f6adc1461a426012841bdd3255c"},"schema_version":"1.0"},"canonical_sha256":"2e00241bd1466e79499833c0c134b8bfa74ae174ccb3fdcb15497039e47e6430","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:09.625411Z","signature_b64":"0f7cNQpwwXzmFrq/oAw6ca0p0X6FApY0Mnss7p2ztQCS23rY1MP3OEc0JR8upAHQehbZrFaEIpsU8dZ36ymBAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e00241bd1466e79499833c0c134b8bfa74ae174ccb3fdcb15497039e47e6430","last_reissued_at":"2026-05-18T00:21:09.624753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:09.624753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.07315","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":"2026-05-18T00:21:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"22FKbEu8IUVqxptRtpC8KSzVkDfO1j4MPhtHt4chW/bdFCkhhKf5gyqB4lBV+6hlSzpvv/rRHi6vo1RI5TUNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:37:05.283404Z"},"content_sha256":"1b06b25109cdc397c17deed1a2dcac9e553797369fe37b374f9420adfe36a7a7","schema_version":"1.0","event_id":"sha256:1b06b25109cdc397c17deed1a2dcac9e553797369fe37b374f9420adfe36a7a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FYACIG6RIZXHSSMYGPAMCNFYX6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of the first star clusters and massive star binaries by fragmentation of filamentary primordial gas clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Michiko S. Fujii, Naoki Yoshida, Shingo Hirano, Yuya Sakurai","submitted_at":"2017-11-20T14:26:58Z","abstract_excerpt":"We perform a set of cosmological simulations of early structure formation with incorporating baryonic streaming motions. We present a case where a significantly elongated gas cloud with $\\sim\\!10^4\\,$solar masses (${\\rm M_\\odot}$) is formed in a pre-galactic ($\\sim\\!10^7\\,{\\rm M_\\odot}$) dark halo. The gas streaming into the halo compresses and heats the massive filamentary cloud to a temperature of $\\sim\\!10,000\\,$Kelvin. The gas cloud cools rapidly by atomic hydrogen cooling, and then by molecular hydrogen cooling down to $\\sim\\!400\\,$Kelvin. The rapid decrease of the temperature and hence o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07315","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":"2026-05-18T00:21:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tMqro0QJVrlEvVF/6KyQJW0cnOC5f1mi2MURiqNhG8YRd59wu7zi5lokcuvOqJ/QPnbuV+pmClIGcsX5r79VDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:37:05.284254Z"},"content_sha256":"34ffd44c8e4c55d04859b27a274c790a9a45e8025070dba766988bd9821dcc5e","schema_version":"1.0","event_id":"sha256:34ffd44c8e4c55d04859b27a274c790a9a45e8025070dba766988bd9821dcc5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/bundle.json","state_url":"https://pith.science/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/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":"2026-08-03T19:37:05Z","links":{"resolver":"https://pith.science/pith/FYACIG6RIZXHSSMYGPAMCNFYX6","bundle":"https://pith.science/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/bundle.json","state":"https://pith.science/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYACIG6RIZXHSSMYGPAMCNFYX6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FYACIG6RIZXHSSMYGPAMCNFYX6","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":"1855711555251c30536d91cf87c9e013d5d70f6adc1461a426012841bdd3255c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-20T14:26:58Z","title_canon_sha256":"ed9a25e8669475452f36c97008d2ac9a6304ff632cfef281e6097eaacc261a4b"},"schema_version":"1.0","source":{"id":"1711.07315","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07315","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07315v2","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07315","created_at":"2026-05-18T00:21:09Z"},{"alias_kind":"pith_short_12","alias_value":"FYACIG6RIZXH","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FYACIG6RIZXHSSMY","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FYACIG6R","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:34ffd44c8e4c55d04859b27a274c790a9a45e8025070dba766988bd9821dcc5e","target":"graph","created_at":"2026-05-18T00:21:09Z","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":"We perform a set of cosmological simulations of early structure formation with incorporating baryonic streaming motions. We present a case where a significantly elongated gas cloud with $\\sim\\!10^4\\,$solar masses (${\\rm M_\\odot}$) is formed in a pre-galactic ($\\sim\\!10^7\\,{\\rm M_\\odot}$) dark halo. The gas streaming into the halo compresses and heats the massive filamentary cloud to a temperature of $\\sim\\!10,000\\,$Kelvin. The gas cloud cools rapidly by atomic hydrogen cooling, and then by molecular hydrogen cooling down to $\\sim\\!400\\,$Kelvin. The rapid decrease of the temperature and hence o","authors_text":"Michiko S. Fujii, Naoki Yoshida, Shingo Hirano, Yuya Sakurai","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-20T14:26:58Z","title":"Formation of the first star clusters and massive star binaries by fragmentation of filamentary primordial gas clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07315","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":"sha256:1b06b25109cdc397c17deed1a2dcac9e553797369fe37b374f9420adfe36a7a7","target":"record","created_at":"2026-05-18T00:21:09Z","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":"1855711555251c30536d91cf87c9e013d5d70f6adc1461a426012841bdd3255c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-20T14:26:58Z","title_canon_sha256":"ed9a25e8669475452f36c97008d2ac9a6304ff632cfef281e6097eaacc261a4b"},"schema_version":"1.0","source":{"id":"1711.07315","kind":"arxiv","version":2}},"canonical_sha256":"2e00241bd1466e79499833c0c134b8bfa74ae174ccb3fdcb15497039e47e6430","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e00241bd1466e79499833c0c134b8bfa74ae174ccb3fdcb15497039e47e6430","first_computed_at":"2026-05-18T00:21:09.624753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:09.624753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0f7cNQpwwXzmFrq/oAw6ca0p0X6FApY0Mnss7p2ztQCS23rY1MP3OEc0JR8upAHQehbZrFaEIpsU8dZ36ymBAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:09.625411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07315","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b06b25109cdc397c17deed1a2dcac9e553797369fe37b374f9420adfe36a7a7","sha256:34ffd44c8e4c55d04859b27a274c790a9a45e8025070dba766988bd9821dcc5e"],"state_sha256":"211395305fad694ca0dec78a8fecd826f804c71c79b7d436477863e267232b97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"taIOdmj8mPpu/9KvYOaLil8GmlmGEQuB7OX58/sel1/qEs85wlX/X6tPhz/Hra6vsm608UzV+wfbqAFpHLICDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:37:05.345050Z","bundle_sha256":"7cc7aebcd2a59088c55529b33a91bde9d09033247fbea66730b95604592b5551"}}