{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TJHP7OY3SMJ4FTJ5ZJT2REKPW5","short_pith_number":"pith:TJHP7OY3","canonical_record":{"source":{"id":"1607.01045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-04T21:00:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"255be7cc31352d9701d95fafe7845f18158c06841509f4e0a9c80ff2131abf09","abstract_canon_sha256":"cb9ba270db7f89e534c33d2b6000f25ccd2841be7aec4d0e5c3654d2e88a204a"},"schema_version":"1.0"},"canonical_sha256":"9a4effbb1b9313c2cd3dca67a8914fb7660dda569412e0e1f0a23f181bce823b","source":{"kind":"arxiv","id":"1607.01045","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01045","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01045v1","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01045","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"pith_short_12","alias_value":"TJHP7OY3SMJ4","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TJHP7OY3SMJ4FTJ5","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TJHP7OY3","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TJHP7OY3SMJ4FTJ5ZJT2REKPW5","target":"record","payload":{"canonical_record":{"source":{"id":"1607.01045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-04T21:00:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"255be7cc31352d9701d95fafe7845f18158c06841509f4e0a9c80ff2131abf09","abstract_canon_sha256":"cb9ba270db7f89e534c33d2b6000f25ccd2841be7aec4d0e5c3654d2e88a204a"},"schema_version":"1.0"},"canonical_sha256":"9a4effbb1b9313c2cd3dca67a8914fb7660dda569412e0e1f0a23f181bce823b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:18.251768Z","signature_b64":"tQu2ekaUTMUvyms2bcoAy/a32KTWxc7aWTfWlpl0YqbONrpRbjSHEf8MSZtUwcFwJnSKLG06UwDPoEd2sjPQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a4effbb1b9313c2cd3dca67a8914fb7660dda569412e0e1f0a23f181bce823b","last_reissued_at":"2026-05-18T01:03:18.251300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:18.251300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.01045","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":"2026-05-18T01:03:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7eLdIzADGQWR1xAlZx9u1G3TSDdzaIGNCENm7pAZTdjQnEmj7Uzr1jaGjmy6rbsbBmlLnlDrWAphVUSe/eCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:06:34.245818Z"},"content_sha256":"ba83614ca45a6f7130d8d138d2352f46a6ab88e1de86c11ef8afd5d7769cf4ea","schema_version":"1.0","event_id":"sha256:ba83614ca45a6f7130d8d138d2352f46a6ab88e1de86c11ef8afd5d7769cf4ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TJHP7OY3SMJ4FTJ5ZJT2REKPW5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Taking stock of SLSN and LGRB host galaxy comparison using a complete sample of LGRBs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"F. Mannucci, J. Japelj, L. K. Hunt, R. Salvaterra, S. D. Vergani","submitted_at":"2016-07-04T21:00:28Z","abstract_excerpt":"Long gamma-ray bursts (LGRBs) and superluminous supernovae (SLSNe) are both explosive transients with very massive progenitor stars. Clues about the nature of the progenitors can be found by investigating environments in which such transients occur. While studies of LGRB host galaxies have a long history, dedicated observational campaigns have only recently resulted in a high enough number of photometrically and spectroscopically observed SLSN hosts to allow statistically significant analysis of their properties. In this paper we make a comparison of the host galaxies of hydrogen-poor (H-poor)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01045","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":"2026-05-18T01:03:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B/Pvx+aPKozAbd9KQSMquo3E0P/KG8UZVd/2J/QRXr4fMq81ejMrO6S7rQd0KNVbqAs7JePxk3bB7Fj6rblnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:06:34.246488Z"},"content_sha256":"b0a36ec3a369a803e0a1c80504ec8ead13a2f9ed72c4913aa281069aac975a52","schema_version":"1.0","event_id":"sha256:b0a36ec3a369a803e0a1c80504ec8ead13a2f9ed72c4913aa281069aac975a52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/bundle.json","state_url":"https://pith.science/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/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":"2026-06-11T00:06:34Z","links":{"resolver":"https://pith.science/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5","bundle":"https://pith.science/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/bundle.json","state":"https://pith.science/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TJHP7OY3SMJ4FTJ5ZJT2REKPW5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TJHP7OY3SMJ4FTJ5ZJT2REKPW5","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":"cb9ba270db7f89e534c33d2b6000f25ccd2841be7aec4d0e5c3654d2e88a204a","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-04T21:00:28Z","title_canon_sha256":"255be7cc31352d9701d95fafe7845f18158c06841509f4e0a9c80ff2131abf09"},"schema_version":"1.0","source":{"id":"1607.01045","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01045","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01045v1","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01045","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"pith_short_12","alias_value":"TJHP7OY3SMJ4","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TJHP7OY3SMJ4FTJ5","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TJHP7OY3","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:b0a36ec3a369a803e0a1c80504ec8ead13a2f9ed72c4913aa281069aac975a52","target":"graph","created_at":"2026-05-18T01:03:18Z","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":"Long gamma-ray bursts (LGRBs) and superluminous supernovae (SLSNe) are both explosive transients with very massive progenitor stars. Clues about the nature of the progenitors can be found by investigating environments in which such transients occur. While studies of LGRB host galaxies have a long history, dedicated observational campaigns have only recently resulted in a high enough number of photometrically and spectroscopically observed SLSN hosts to allow statistically significant analysis of their properties. In this paper we make a comparison of the host galaxies of hydrogen-poor (H-poor)","authors_text":"F. Mannucci, J. Japelj, L. K. Hunt, R. Salvaterra, S. D. Vergani","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-04T21:00:28Z","title":"Taking stock of SLSN and LGRB host galaxy comparison using a complete sample of LGRBs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01045","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:ba83614ca45a6f7130d8d138d2352f46a6ab88e1de86c11ef8afd5d7769cf4ea","target":"record","created_at":"2026-05-18T01:03:18Z","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":"cb9ba270db7f89e534c33d2b6000f25ccd2841be7aec4d0e5c3654d2e88a204a","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-04T21:00:28Z","title_canon_sha256":"255be7cc31352d9701d95fafe7845f18158c06841509f4e0a9c80ff2131abf09"},"schema_version":"1.0","source":{"id":"1607.01045","kind":"arxiv","version":1}},"canonical_sha256":"9a4effbb1b9313c2cd3dca67a8914fb7660dda569412e0e1f0a23f181bce823b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a4effbb1b9313c2cd3dca67a8914fb7660dda569412e0e1f0a23f181bce823b","first_computed_at":"2026-05-18T01:03:18.251300Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:18.251300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tQu2ekaUTMUvyms2bcoAy/a32KTWxc7aWTfWlpl0YqbONrpRbjSHEf8MSZtUwcFwJnSKLG06UwDPoEd2sjPQBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:18.251768Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.01045","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba83614ca45a6f7130d8d138d2352f46a6ab88e1de86c11ef8afd5d7769cf4ea","sha256:b0a36ec3a369a803e0a1c80504ec8ead13a2f9ed72c4913aa281069aac975a52"],"state_sha256":"fd187b94ae3682a4bfcf34c037da29dc22785a6a6e631110fae76ba82c290995"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6rRqJQi8YSeipCJIgB9qwtAi9zpph64ieOfBa9XbGkrSK5R03dbTIWX8oAsl9LTwf0lGF6g5qpmQGWczwS+cAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:06:34.249933Z","bundle_sha256":"f0ffbceb4e9b8c81f4fd41ea7886ab67694d2d66412f8fdc1c9072235863651b"}}