{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6OWLVYDSEWCECMEQROGSTSTV5J","short_pith_number":"pith:6OWLVYDS","canonical_record":{"source":{"id":"1311.2603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-11T21:06:32Z","cross_cats_sorted":[],"title_canon_sha256":"0a84bc788fc969c821d414d6c54a114d7767777e3b004c1eba44f3fed5431a49","abstract_canon_sha256":"9cac5da91d54a8427a81d2f6deb3c0fbbe5107e496219fa28b9b8b3f3f228e24"},"schema_version":"1.0"},"canonical_sha256":"f3acbae07225844130908b8d29ca75ea61996fd5b36bb4472915e303c3644ca1","source":{"kind":"arxiv","id":"1311.2603","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2603","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2603v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2603","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"6OWLVYDSEWCE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6OWLVYDSEWCECMEQ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6OWLVYDS","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6OWLVYDSEWCECMEQROGSTSTV5J","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-11T21:06:32Z","cross_cats_sorted":[],"title_canon_sha256":"0a84bc788fc969c821d414d6c54a114d7767777e3b004c1eba44f3fed5431a49","abstract_canon_sha256":"9cac5da91d54a8427a81d2f6deb3c0fbbe5107e496219fa28b9b8b3f3f228e24"},"schema_version":"1.0"},"canonical_sha256":"f3acbae07225844130908b8d29ca75ea61996fd5b36bb4472915e303c3644ca1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:32.195357Z","signature_b64":"fgPMIvE9aBIzGUiybz//OkAlLDGi5EuZhZ27R4lZBeO19K6JgwqH3mMtwZYl9eYiWyeBSLYQP1E5VwHckrPgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3acbae07225844130908b8d29ca75ea61996fd5b36bb4472915e303c3644ca1","last_reissued_at":"2026-05-18T01:46:32.194789Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:32.194789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2603","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U4TJjq2/xr+WeGT1eN7EyoZrkBsONRt2PWFxnOtM6m8TlOzSaFq3Y1ENh+0KQezMZ5A+XTuS+87YlIbXeHukAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:23:33.637684Z"},"content_sha256":"2b6e5776a4e5085b276feeb4d79a8f90b9e48b7b110588f826adc8ca068cc4b0","schema_version":"1.0","event_id":"sha256:2b6e5776a4e5085b276feeb4d79a8f90b9e48b7b110588f826adc8ca068cc4b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6OWLVYDSEWCECMEQROGSTSTV5J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Short-Duration Gamma-Ray Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Edo Berger (Harvard)","submitted_at":"2013-11-11T21:06:32Z","abstract_excerpt":"Gamma-ray bursts (GRBs) display a bimodal duration distribution, with a separation between the short- and long-duration bursts at about 2 sec. The progenitors of long GRBs have been identified as massive stars based on their association with Type Ic core-collapse supernovae, their exclusive location in star-forming galaxies, and their strong correlation with bright ultraviolet regions within their host galaxies. Short GRBs have long been suspected on theoretical grounds to arise from compact object binary mergers (NS-NS or NS-BH). The discovery of short GRB afterglows in 2005, provided the fir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2603","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pycRUTBZFtbTLe+J0sa6knIFKo3ipBnYBxOhr70m2HmGQ/yFbFJ1glPrcu1sTbfXQr01qzPfeH2IU0fXfvdfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:23:33.638248Z"},"content_sha256":"3644b0ad444552526eb76a580b4a8b5c1c3138c6d0aec646960993d3521e9146","schema_version":"1.0","event_id":"sha256:3644b0ad444552526eb76a580b4a8b5c1c3138c6d0aec646960993d3521e9146"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6OWLVYDSEWCECMEQROGSTSTV5J/bundle.json","state_url":"https://pith.science/pith/6OWLVYDSEWCECMEQROGSTSTV5J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6OWLVYDSEWCECMEQROGSTSTV5J/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":"2026-05-25T07:23:33Z","links":{"resolver":"https://pith.science/pith/6OWLVYDSEWCECMEQROGSTSTV5J","bundle":"https://pith.science/pith/6OWLVYDSEWCECMEQROGSTSTV5J/bundle.json","state":"https://pith.science/pith/6OWLVYDSEWCECMEQROGSTSTV5J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6OWLVYDSEWCECMEQROGSTSTV5J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6OWLVYDSEWCECMEQROGSTSTV5J","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":"9cac5da91d54a8427a81d2f6deb3c0fbbe5107e496219fa28b9b8b3f3f228e24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-11T21:06:32Z","title_canon_sha256":"0a84bc788fc969c821d414d6c54a114d7767777e3b004c1eba44f3fed5431a49"},"schema_version":"1.0","source":{"id":"1311.2603","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2603","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2603v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2603","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"6OWLVYDSEWCE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6OWLVYDSEWCECMEQ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6OWLVYDS","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:3644b0ad444552526eb76a580b4a8b5c1c3138c6d0aec646960993d3521e9146","target":"graph","created_at":"2026-05-18T01:46:32Z","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":"Gamma-ray bursts (GRBs) display a bimodal duration distribution, with a separation between the short- and long-duration bursts at about 2 sec. The progenitors of long GRBs have been identified as massive stars based on their association with Type Ic core-collapse supernovae, their exclusive location in star-forming galaxies, and their strong correlation with bright ultraviolet regions within their host galaxies. Short GRBs have long been suspected on theoretical grounds to arise from compact object binary mergers (NS-NS or NS-BH). The discovery of short GRB afterglows in 2005, provided the fir","authors_text":"Edo Berger (Harvard)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-11T21:06:32Z","title":"Short-Duration Gamma-Ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2603","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":"sha256:2b6e5776a4e5085b276feeb4d79a8f90b9e48b7b110588f826adc8ca068cc4b0","target":"record","created_at":"2026-05-18T01:46:32Z","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":"9cac5da91d54a8427a81d2f6deb3c0fbbe5107e496219fa28b9b8b3f3f228e24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-11T21:06:32Z","title_canon_sha256":"0a84bc788fc969c821d414d6c54a114d7767777e3b004c1eba44f3fed5431a49"},"schema_version":"1.0","source":{"id":"1311.2603","kind":"arxiv","version":1}},"canonical_sha256":"f3acbae07225844130908b8d29ca75ea61996fd5b36bb4472915e303c3644ca1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3acbae07225844130908b8d29ca75ea61996fd5b36bb4472915e303c3644ca1","first_computed_at":"2026-05-18T01:46:32.194789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:32.194789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fgPMIvE9aBIzGUiybz//OkAlLDGi5EuZhZ27R4lZBeO19K6JgwqH3mMtwZYl9eYiWyeBSLYQP1E5VwHckrPgBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:32.195357Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2603","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b6e5776a4e5085b276feeb4d79a8f90b9e48b7b110588f826adc8ca068cc4b0","sha256:3644b0ad444552526eb76a580b4a8b5c1c3138c6d0aec646960993d3521e9146"],"state_sha256":"64d08d921d70c00cb22d89087630777814e138351db99c24adaec6942f2d8bca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3jUyOAboO5qgJmrEJACepuMY9TdFYUHLfDtAwID1RwAo+txlWlb2aDNNzbV2fAQEEakID3Lk6wHhjCtbcdglAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T07:23:33.641486Z","bundle_sha256":"952be8fa493450c88f0ca09d46bc9e29abc11b3313459573a1579b4a7b33441a"}}