{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EPCQNBS67ZXM24YBJON7XERYD4","short_pith_number":"pith:EPCQNBS6","canonical_record":{"source":{"id":"1511.04483","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-14T00:14:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"84a93d55aa6577aa68829c7175157e61f3ad4fd97dcd502f4671f4ced619c974","abstract_canon_sha256":"1a4a8cd79d908080ece2e4ce0f0114025572659f7cf738d9764cc923f92f61c4"},"schema_version":"1.0"},"canonical_sha256":"23c506865efe6ecd73014b9bfb92381f240a41a37bc157245760da0f2fe0ece7","source":{"kind":"arxiv","id":"1511.04483","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04483","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04483v1","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04483","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"pith_short_12","alias_value":"EPCQNBS67ZXM","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EPCQNBS67ZXM24YB","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EPCQNBS6","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EPCQNBS67ZXM24YBJON7XERYD4","target":"record","payload":{"canonical_record":{"source":{"id":"1511.04483","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-14T00:14:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"84a93d55aa6577aa68829c7175157e61f3ad4fd97dcd502f4671f4ced619c974","abstract_canon_sha256":"1a4a8cd79d908080ece2e4ce0f0114025572659f7cf738d9764cc923f92f61c4"},"schema_version":"1.0"},"canonical_sha256":"23c506865efe6ecd73014b9bfb92381f240a41a37bc157245760da0f2fe0ece7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:52.541411Z","signature_b64":"CDbgnS7Cu3X48Gou/CTrCFrUrKwuZDo+XvD3M4nVcvYQ6Jd4UdDept0c1EWs5u2DIErdAtZjGib4zWvahOSyCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23c506865efe6ecd73014b9bfb92381f240a41a37bc157245760da0f2fe0ece7","last_reissued_at":"2026-05-18T01:26:52.540748Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:52.540748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.04483","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":"2026-05-18T01:26:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1bHM1pLBbcRSB1IQ0y+ahC/fzB8un304vdkgrOb6FA0/tL/33aWYgPr7TBalWKy3BhMeHOpQrVSy5lfgwtcBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T14:09:42.584101Z"},"content_sha256":"d06e65caafb31b8ccb197e57209ce76c558b08e5823f3a1dd8e719dd1c761cd1","schema_version":"1.0","event_id":"sha256:d06e65caafb31b8ccb197e57209ce76c558b08e5823f3a1dd8e719dd1c761cd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EPCQNBS67ZXM24YBJON7XERYD4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long GRBs as a Tool to Investigate Star Formation in Dark Matter Halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Jing-Meng Hao, Jun-Jie Wei, Xue-Feng Wu, Ye-Fei Yuan","submitted_at":"2015-11-14T00:14:28Z","abstract_excerpt":"First stars can only form in structures that are suitably dense, which can be parametrized by the minimum dark matter halo mass $M_{\\rm min}$. $M_{\\rm min}$ must plays an important role in star formation. The connection of long gamma-ray bursts (LGRBs) with the collapse of massive stars has provided a good opportunity for probing star formation in dark matter halos. We place some constraints on $M_{\\rm min}$ using the latest $Swift$ LGRB data. We conservatively consider that LGRB rate is proportional to the cosmic star formation rate (CSFR) and an additional evolution parametrized as $(1+z)^{\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04483","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":"2026-05-18T01:26:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1kW+CfTRXgsKPF/GSXFf6T+1AASTh+0007yHS+8ukolfUPkfeqLYF/mBm+F9KnTJxYXdcXKKdeARjN5g4DhWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T14:09:42.584837Z"},"content_sha256":"f9bf41ff01987fb6282485fdd6c6b84fd28b3e24f67e70ef3c78eb056194b928","schema_version":"1.0","event_id":"sha256:f9bf41ff01987fb6282485fdd6c6b84fd28b3e24f67e70ef3c78eb056194b928"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EPCQNBS67ZXM24YBJON7XERYD4/bundle.json","state_url":"https://pith.science/pith/EPCQNBS67ZXM24YBJON7XERYD4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EPCQNBS67ZXM24YBJON7XERYD4/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":"2026-05-23T14:09:42Z","links":{"resolver":"https://pith.science/pith/EPCQNBS67ZXM24YBJON7XERYD4","bundle":"https://pith.science/pith/EPCQNBS67ZXM24YBJON7XERYD4/bundle.json","state":"https://pith.science/pith/EPCQNBS67ZXM24YBJON7XERYD4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EPCQNBS67ZXM24YBJON7XERYD4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EPCQNBS67ZXM24YBJON7XERYD4","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":"1a4a8cd79d908080ece2e4ce0f0114025572659f7cf738d9764cc923f92f61c4","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-14T00:14:28Z","title_canon_sha256":"84a93d55aa6577aa68829c7175157e61f3ad4fd97dcd502f4671f4ced619c974"},"schema_version":"1.0","source":{"id":"1511.04483","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04483","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04483v1","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04483","created_at":"2026-05-18T01:26:52Z"},{"alias_kind":"pith_short_12","alias_value":"EPCQNBS67ZXM","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EPCQNBS67ZXM24YB","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EPCQNBS6","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:f9bf41ff01987fb6282485fdd6c6b84fd28b3e24f67e70ef3c78eb056194b928","target":"graph","created_at":"2026-05-18T01:26:52Z","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":"First stars can only form in structures that are suitably dense, which can be parametrized by the minimum dark matter halo mass $M_{\\rm min}$. $M_{\\rm min}$ must plays an important role in star formation. The connection of long gamma-ray bursts (LGRBs) with the collapse of massive stars has provided a good opportunity for probing star formation in dark matter halos. We place some constraints on $M_{\\rm min}$ using the latest $Swift$ LGRB data. We conservatively consider that LGRB rate is proportional to the cosmic star formation rate (CSFR) and an additional evolution parametrized as $(1+z)^{\\","authors_text":"Jing-Meng Hao, Jun-Jie Wei, Xue-Feng Wu, Ye-Fei Yuan","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-14T00:14:28Z","title":"Long GRBs as a Tool to Investigate Star Formation in Dark Matter Halos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04483","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:d06e65caafb31b8ccb197e57209ce76c558b08e5823f3a1dd8e719dd1c761cd1","target":"record","created_at":"2026-05-18T01:26:52Z","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":"1a4a8cd79d908080ece2e4ce0f0114025572659f7cf738d9764cc923f92f61c4","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-14T00:14:28Z","title_canon_sha256":"84a93d55aa6577aa68829c7175157e61f3ad4fd97dcd502f4671f4ced619c974"},"schema_version":"1.0","source":{"id":"1511.04483","kind":"arxiv","version":1}},"canonical_sha256":"23c506865efe6ecd73014b9bfb92381f240a41a37bc157245760da0f2fe0ece7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23c506865efe6ecd73014b9bfb92381f240a41a37bc157245760da0f2fe0ece7","first_computed_at":"2026-05-18T01:26:52.540748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:52.540748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CDbgnS7Cu3X48Gou/CTrCFrUrKwuZDo+XvD3M4nVcvYQ6Jd4UdDept0c1EWs5u2DIErdAtZjGib4zWvahOSyCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:52.541411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04483","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d06e65caafb31b8ccb197e57209ce76c558b08e5823f3a1dd8e719dd1c761cd1","sha256:f9bf41ff01987fb6282485fdd6c6b84fd28b3e24f67e70ef3c78eb056194b928"],"state_sha256":"c96da1748bec6fe7e3c3b1a004c07b0f9132f0f95c5a5d09edf3abdd91882218"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eKskTbXYJDWx0g2i0enLiMXcnAnL8GhGYvbDNgwcL2wljTj9vvWOSKtfGcP2i6TMZTNfkSJiHmMCyqoGeWhKBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T14:09:42.588551Z","bundle_sha256":"cf014f1e5a403cca2ba0ca53148f3e2ab94ab3bfd27e4713c4c13e579050cca3"}}