{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:OLX5G47J6ILBPZ6ZWUDCV7VKUL","short_pith_number":"pith:OLX5G47J","canonical_record":{"source":{"id":"1303.5060","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-20T20:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"82700cc24469ff902601e414ea2464a203d5504114723d028ca7efc0abe965f2","abstract_canon_sha256":"5c843227b803757a6ed14cc3f832592b8db3963baa9a196271b146db445aeae8"},"schema_version":"1.0"},"canonical_sha256":"72efd373e9f21617e7d9b5062afeaaa2d37e203e04a4fbaa55abeaa9f68c66d8","source":{"kind":"arxiv","id":"1303.5060","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.5060","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"arxiv_version","alias_value":"1303.5060v2","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5060","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"pith_short_12","alias_value":"OLX5G47J6ILB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OLX5G47J6ILBPZ6Z","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OLX5G47J","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:OLX5G47J6ILBPZ6ZWUDCV7VKUL","target":"record","payload":{"canonical_record":{"source":{"id":"1303.5060","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-20T20:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"82700cc24469ff902601e414ea2464a203d5504114723d028ca7efc0abe965f2","abstract_canon_sha256":"5c843227b803757a6ed14cc3f832592b8db3963baa9a196271b146db445aeae8"},"schema_version":"1.0"},"canonical_sha256":"72efd373e9f21617e7d9b5062afeaaa2d37e203e04a4fbaa55abeaa9f68c66d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:58.925052Z","signature_b64":"FwXewS2356Fa6epHqPg+/8iWe7J4cWUs3rig0KHIaC/5meXSXghTpvJbMXhWgDgeazwDkPSYfJaw+UIOrNAIBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72efd373e9f21617e7d9b5062afeaaa2d37e203e04a4fbaa55abeaa9f68c66d8","last_reissued_at":"2026-05-18T03:19:58.924353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:58.924353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.5060","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":"2026-05-18T03:19:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zAUjbm33aV4QMsIc0o2x6t690KdyjlGd4m348Zrv49yF36cjPc4kZjfPbnL/E9Fqj8UYMBjquhg+FU/Sj/NqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:27:47.441606Z"},"content_sha256":"4d5e6dc841ef55031c58ec992103482a7a1165839f410bf01fd657532659410b","schema_version":"1.0","event_id":"sha256:4d5e6dc841ef55031c58ec992103482a7a1165839f410bf01fd657532659410b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:OLX5G47J6ILBPZ6ZWUDCV7VKUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on Warm Dark Matter models from high-redshift long gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrea Ferrara, Andrei Mesinger, Naoki Yoshida, Rafael S. de Souza, Rosalba Perna, Zoltan Haiman","submitted_at":"2013-03-20T20:01:38Z","abstract_excerpt":"Structures in Warm Dark Matter (WDM) models are exponentially suppressed below a certain scale, characterized by the dark matter particle mass, $m_{\\rm x}$. Since structures form hierarchically, the presence of collapsed objects at high-redshifts can set strong lower limits on $m_{\\rm x}$. We place robust constraints on $m_{\\rm x}$ using recent results from the {\\it Swift} database of high-redshift gamma-ray bursts (GRBs). We parameterize the redshift evolution of the ratio between the cosmic GRB rate and star formation rate (SFR) as $\\propto (1+z)^\\alpha$, thereby allowing astrophysical uncer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5060","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":"2026-05-18T03:19:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O5MM85VYuHPhc4sUpyVpAGYH0kn61PKNcyYKTaklu1vWGR4dqYPQBqYI+hj1tk4Ddy61f58eEXcN5fpaZTYvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:27:47.441994Z"},"content_sha256":"3dedeff85e41a30ad2e56d1adbf0d68d2578ea95cf7942915eabf2c5ccaa15cf","schema_version":"1.0","event_id":"sha256:3dedeff85e41a30ad2e56d1adbf0d68d2578ea95cf7942915eabf2c5ccaa15cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/bundle.json","state_url":"https://pith.science/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/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":"2026-06-04T04:27:47Z","links":{"resolver":"https://pith.science/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL","bundle":"https://pith.science/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/bundle.json","state":"https://pith.science/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLX5G47J6ILBPZ6ZWUDCV7VKUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OLX5G47J6ILBPZ6ZWUDCV7VKUL","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":"5c843227b803757a6ed14cc3f832592b8db3963baa9a196271b146db445aeae8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-20T20:01:38Z","title_canon_sha256":"82700cc24469ff902601e414ea2464a203d5504114723d028ca7efc0abe965f2"},"schema_version":"1.0","source":{"id":"1303.5060","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.5060","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"arxiv_version","alias_value":"1303.5060v2","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5060","created_at":"2026-05-18T03:19:58Z"},{"alias_kind":"pith_short_12","alias_value":"OLX5G47J6ILB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OLX5G47J6ILBPZ6Z","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OLX5G47J","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:3dedeff85e41a30ad2e56d1adbf0d68d2578ea95cf7942915eabf2c5ccaa15cf","target":"graph","created_at":"2026-05-18T03:19:58Z","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":"Structures in Warm Dark Matter (WDM) models are exponentially suppressed below a certain scale, characterized by the dark matter particle mass, $m_{\\rm x}$. Since structures form hierarchically, the presence of collapsed objects at high-redshifts can set strong lower limits on $m_{\\rm x}$. We place robust constraints on $m_{\\rm x}$ using recent results from the {\\it Swift} database of high-redshift gamma-ray bursts (GRBs). We parameterize the redshift evolution of the ratio between the cosmic GRB rate and star formation rate (SFR) as $\\propto (1+z)^\\alpha$, thereby allowing astrophysical uncer","authors_text":"Andrea Ferrara, Andrei Mesinger, Naoki Yoshida, Rafael S. de Souza, Rosalba Perna, Zoltan Haiman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-20T20:01:38Z","title":"Constraints on Warm Dark Matter models from high-redshift long gamma-ray bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5060","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":"sha256:4d5e6dc841ef55031c58ec992103482a7a1165839f410bf01fd657532659410b","target":"record","created_at":"2026-05-18T03:19:58Z","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":"5c843227b803757a6ed14cc3f832592b8db3963baa9a196271b146db445aeae8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-20T20:01:38Z","title_canon_sha256":"82700cc24469ff902601e414ea2464a203d5504114723d028ca7efc0abe965f2"},"schema_version":"1.0","source":{"id":"1303.5060","kind":"arxiv","version":2}},"canonical_sha256":"72efd373e9f21617e7d9b5062afeaaa2d37e203e04a4fbaa55abeaa9f68c66d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72efd373e9f21617e7d9b5062afeaaa2d37e203e04a4fbaa55abeaa9f68c66d8","first_computed_at":"2026-05-18T03:19:58.924353Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:58.924353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FwXewS2356Fa6epHqPg+/8iWe7J4cWUs3rig0KHIaC/5meXSXghTpvJbMXhWgDgeazwDkPSYfJaw+UIOrNAIBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:58.925052Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.5060","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d5e6dc841ef55031c58ec992103482a7a1165839f410bf01fd657532659410b","sha256:3dedeff85e41a30ad2e56d1adbf0d68d2578ea95cf7942915eabf2c5ccaa15cf"],"state_sha256":"4900cd7f19b2e898122a4d8ad9b5362f99f48f367a199134a633b75a8d1addf0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMwaMye0j8OPaAiSK42P9wJzORhMJuUPlmBAMTnOia/ScbxeN0LsQkPCrovBlgksTX7J0RkcKFCA7dBLUp1cAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:27:47.444225Z","bundle_sha256":"d362088a74cd8a248f6ef05258a837649750f25c93eae282125727475edf565d"}}