{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6BEFRIM4KOAKI2MWE5M4CVII6F","short_pith_number":"pith:6BEFRIM4","canonical_record":{"source":{"id":"1203.1864","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-03-08T17:49:52Z","cross_cats_sorted":[],"title_canon_sha256":"64145c9171be768b21471ad19aeb0f8369dc11ae8f7a3eb7a66b8953e719133e","abstract_canon_sha256":"2a49bbedd5c23e6cb637efb3cc71d80913d0b1c5f47258801ea0e5a46c2ac9f9"},"schema_version":"1.0"},"canonical_sha256":"f04858a19c5380a469962759c15508f165d80ff5e68827d08bbeb2c7616847a0","source":{"kind":"arxiv","id":"1203.1864","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1864","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1864v2","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1864","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"pith_short_12","alias_value":"6BEFRIM4KOAK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6BEFRIM4KOAKI2MW","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6BEFRIM4","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6BEFRIM4KOAKI2MWE5M4CVII6F","target":"record","payload":{"canonical_record":{"source":{"id":"1203.1864","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-03-08T17:49:52Z","cross_cats_sorted":[],"title_canon_sha256":"64145c9171be768b21471ad19aeb0f8369dc11ae8f7a3eb7a66b8953e719133e","abstract_canon_sha256":"2a49bbedd5c23e6cb637efb3cc71d80913d0b1c5f47258801ea0e5a46c2ac9f9"},"schema_version":"1.0"},"canonical_sha256":"f04858a19c5380a469962759c15508f165d80ff5e68827d08bbeb2c7616847a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:12.886842Z","signature_b64":"H8nIj44ocBw2Xy+KcLK3Pgmx4BzXrznfiuB/AuN8dSfTLYd8NJS6MY9QaR48wOxJ21OA6+Wo66rOZksoA6k0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f04858a19c5380a469962759c15508f165d80ff5e68827d08bbeb2c7616847a0","last_reissued_at":"2026-05-18T01:58:12.886154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:12.886154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.1864","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":"2026-05-18T01:58:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FaBzrzMij7bOjxiBTynHxEX65LIUXlUC8oTGmejEni3dBprQF+lMF3d8NtTDWMfqT4wuHzeWP8rjXii+6kfwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:35:01.653052Z"},"content_sha256":"17a6a1c24f7e2265c655273c9b5b07d5d30cb9b2abf86cddd14529badd2a6979","schema_version":"1.0","event_id":"sha256:17a6a1c24f7e2265c655273c9b5b07d5d30cb9b2abf86cddd14529badd2a6979"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6BEFRIM4KOAKI2MWE5M4CVII6F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Environment of Short Gamma-ray Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Gomboc, A. Melandri, D. Kopa\\v{c}, G. Tagliaferri, J. Japelj, M. G. Bernardini, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino, S. D. Vergani","submitted_at":"2012-03-08T17:49:52Z","abstract_excerpt":"In this paper we present a sample of 10 short gamma-ray bursts (GRBs) with a robust redshift determination, discovered by the Swift satellite up to January 2011. We measure their X-ray absorbing column densities and collect data on the host galaxy offsets. We find evidence for intrinsic absorption and no correlation between the intrinsic absorbing column density and the projected offset of the GRB from its host galaxy center. We find that the properties in the gamma regime (T90, fluence and 1-s peak photon flux) of short GRBs with \"bright\" and \"faint\" X-ray afterglow likely disfavour different"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1864","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":"2026-05-18T01:58:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g1WYgqjSHlLeQndZVdk+gmWmMdzTFjuQoMbtaqSn5JFDSyY69o91WhKI9pTKlKanGoKowmjjnNQK6maesp0TAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:35:01.653438Z"},"content_sha256":"e1fe8ff34e2c92cb286da2882fd885fc05c0b86d496ba42ce8c6f304d3673c78","schema_version":"1.0","event_id":"sha256:e1fe8ff34e2c92cb286da2882fd885fc05c0b86d496ba42ce8c6f304d3673c78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/bundle.json","state_url":"https://pith.science/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/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":"2026-05-26T11:35:01Z","links":{"resolver":"https://pith.science/pith/6BEFRIM4KOAKI2MWE5M4CVII6F","bundle":"https://pith.science/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/bundle.json","state":"https://pith.science/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6BEFRIM4KOAKI2MWE5M4CVII6F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6BEFRIM4KOAKI2MWE5M4CVII6F","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":"2a49bbedd5c23e6cb637efb3cc71d80913d0b1c5f47258801ea0e5a46c2ac9f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-03-08T17:49:52Z","title_canon_sha256":"64145c9171be768b21471ad19aeb0f8369dc11ae8f7a3eb7a66b8953e719133e"},"schema_version":"1.0","source":{"id":"1203.1864","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1864","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1864v2","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1864","created_at":"2026-05-18T01:58:12Z"},{"alias_kind":"pith_short_12","alias_value":"6BEFRIM4KOAK","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6BEFRIM4KOAKI2MW","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6BEFRIM4","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:e1fe8ff34e2c92cb286da2882fd885fc05c0b86d496ba42ce8c6f304d3673c78","target":"graph","created_at":"2026-05-18T01:58:12Z","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":"In this paper we present a sample of 10 short gamma-ray bursts (GRBs) with a robust redshift determination, discovered by the Swift satellite up to January 2011. We measure their X-ray absorbing column densities and collect data on the host galaxy offsets. We find evidence for intrinsic absorption and no correlation between the intrinsic absorbing column density and the projected offset of the GRB from its host galaxy center. We find that the properties in the gamma regime (T90, fluence and 1-s peak photon flux) of short GRBs with \"bright\" and \"faint\" X-ray afterglow likely disfavour different","authors_text":"A. Gomboc, A. Melandri, D. Kopa\\v{c}, G. Tagliaferri, J. Japelj, M. G. Bernardini, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino, S. D. Vergani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-03-08T17:49:52Z","title":"On the Environment of Short Gamma-ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1864","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":"sha256:17a6a1c24f7e2265c655273c9b5b07d5d30cb9b2abf86cddd14529badd2a6979","target":"record","created_at":"2026-05-18T01:58:12Z","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":"2a49bbedd5c23e6cb637efb3cc71d80913d0b1c5f47258801ea0e5a46c2ac9f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-03-08T17:49:52Z","title_canon_sha256":"64145c9171be768b21471ad19aeb0f8369dc11ae8f7a3eb7a66b8953e719133e"},"schema_version":"1.0","source":{"id":"1203.1864","kind":"arxiv","version":2}},"canonical_sha256":"f04858a19c5380a469962759c15508f165d80ff5e68827d08bbeb2c7616847a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f04858a19c5380a469962759c15508f165d80ff5e68827d08bbeb2c7616847a0","first_computed_at":"2026-05-18T01:58:12.886154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:12.886154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H8nIj44ocBw2Xy+KcLK3Pgmx4BzXrznfiuB/AuN8dSfTLYd8NJS6MY9QaR48wOxJ21OA6+Wo66rOZksoA6k0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:12.886842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1864","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17a6a1c24f7e2265c655273c9b5b07d5d30cb9b2abf86cddd14529badd2a6979","sha256:e1fe8ff34e2c92cb286da2882fd885fc05c0b86d496ba42ce8c6f304d3673c78"],"state_sha256":"1169e2f737309b1d0be878fd1b8044dc17b85243f7101795dd72d4318f3acda8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a46RdC8bpH8fyIG6iN0wPMNCLlHJZ30v5ZD7NOfWvL60f3Pz5GO+5COMemNiHPW936WdnorEFLZDlMf95tDDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:35:01.656711Z","bundle_sha256":"d23fcd96d1765d267eee309ae14ce4363d6970ab488ae32d25ca1febc6215693"}}