{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:APCAOOXQFSEOXGLTOKZVIY2DIY","short_pith_number":"pith:APCAOOXQ","canonical_record":{"source":{"id":"2504.12224","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-16T16:17:51Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"534f6ea9fa4b6a078a4ab36f018af4a529513bce09c8c331a8b2fcb721d30ee3","abstract_canon_sha256":"160f8d7a452a59e04529f8a67f001d873c32b7f93d2d4b1f1cd0b9c1be2798cc"},"schema_version":"1.0"},"canonical_sha256":"03c4073af02c88eb997372b35463434626e4d075feffe75ff34cb2f57b6f8f39","source":{"kind":"arxiv","id":"2504.12224","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.12224","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"arxiv_version","alias_value":"2504.12224v2","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.12224","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_12","alias_value":"APCAOOXQFSEO","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_16","alias_value":"APCAOOXQFSEOXGLT","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_8","alias_value":"APCAOOXQ","created_at":"2026-07-05T10:59:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:APCAOOXQFSEOXGLTOKZVIY2DIY","target":"record","payload":{"canonical_record":{"source":{"id":"2504.12224","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-16T16:17:51Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"534f6ea9fa4b6a078a4ab36f018af4a529513bce09c8c331a8b2fcb721d30ee3","abstract_canon_sha256":"160f8d7a452a59e04529f8a67f001d873c32b7f93d2d4b1f1cd0b9c1be2798cc"},"schema_version":"1.0"},"canonical_sha256":"03c4073af02c88eb997372b35463434626e4d075feffe75ff34cb2f57b6f8f39","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:59:28.834468Z","signature_b64":"zA59yOb2ZDGz13FAlplGRT+yH8nPjYyqoEWhQQc+Da9VyaGVbcI1vbSLYjrQAXN9eQ2WKnbgwsjyjm1kmYReCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03c4073af02c88eb997372b35463434626e4d075feffe75ff34cb2f57b6f8f39","last_reissued_at":"2026-07-05T10:59:28.833970Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:59:28.833970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.12224","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":"2026-07-05T10:59:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Urho3ddSc3z/QhoSAS3Swg6bDu3iI/2PZetCZqwVeWxvs/3O5AbvA8t/2a1DTsQklIfqlHUAWaD/qpCDN7hCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T16:15:16.875336Z"},"content_sha256":"b2838304934a90f9559683ee37dd9a1562a7250b3d55002fb2033e5152ecd090","schema_version":"1.0","event_id":"sha256:b2838304934a90f9559683ee37dd9a1562a7250b3d55002fb2033e5152ecd090"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:APCAOOXQFSEOXGLTOKZVIY2DIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring GRBs and supernovae connection: does a superluminous hypernova population exist?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Achille Fiore, Giulia Stratta, Ludovica Crosato Menegazzi","submitted_at":"2025-04-16T16:17:51Z","abstract_excerpt":"Observations of several gamma-ray bursts (GRBs) that are temporally and spatially compatible with energetic supernovae (hypernovae) has established their common origin. In one case (GRB 111209A/SN 2011kl) the associated supernova was classified as superluminous (SN 2011kl). The exceptional duration of the observed gamma-ray prompt emission of GRB 111209A (about 7 hours) is widely considered key to unlocking the physics behind the still mysterious origin of superluminous supernovae (SLSNe). We review the main observational and theoretical findings that may link some ultra-long GRBs to SLSNe. Sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.12224","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.12224/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:59:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JJdSvEM3Yvqajb6pC/1NxqxQzhQz8y+N8mu1W7246skLMYxctjYM0MfnZGyuC6DKSVuxb8pfoMXhe48Z50ccAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T16:15:16.875722Z"},"content_sha256":"e4bba50a594a3699d2071b5950b79397b73738b8db6b3ee86be7a20dfb90c111","schema_version":"1.0","event_id":"sha256:e4bba50a594a3699d2071b5950b79397b73738b8db6b3ee86be7a20dfb90c111"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/bundle.json","state_url":"https://pith.science/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/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":"2026-07-26T16:15:16Z","links":{"resolver":"https://pith.science/pith/APCAOOXQFSEOXGLTOKZVIY2DIY","bundle":"https://pith.science/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/bundle.json","state":"https://pith.science/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APCAOOXQFSEOXGLTOKZVIY2DIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:APCAOOXQFSEOXGLTOKZVIY2DIY","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":"160f8d7a452a59e04529f8a67f001d873c32b7f93d2d4b1f1cd0b9c1be2798cc","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-16T16:17:51Z","title_canon_sha256":"534f6ea9fa4b6a078a4ab36f018af4a529513bce09c8c331a8b2fcb721d30ee3"},"schema_version":"1.0","source":{"id":"2504.12224","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.12224","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"arxiv_version","alias_value":"2504.12224v2","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.12224","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_12","alias_value":"APCAOOXQFSEO","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_16","alias_value":"APCAOOXQFSEOXGLT","created_at":"2026-07-05T10:59:28Z"},{"alias_kind":"pith_short_8","alias_value":"APCAOOXQ","created_at":"2026-07-05T10:59:28Z"}],"graph_snapshots":[{"event_id":"sha256:e4bba50a594a3699d2071b5950b79397b73738b8db6b3ee86be7a20dfb90c111","target":"graph","created_at":"2026-07-05T10:59:28Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2504.12224/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations of several gamma-ray bursts (GRBs) that are temporally and spatially compatible with energetic supernovae (hypernovae) has established their common origin. In one case (GRB 111209A/SN 2011kl) the associated supernova was classified as superluminous (SN 2011kl). The exceptional duration of the observed gamma-ray prompt emission of GRB 111209A (about 7 hours) is widely considered key to unlocking the physics behind the still mysterious origin of superluminous supernovae (SLSNe). We review the main observational and theoretical findings that may link some ultra-long GRBs to SLSNe. Sp","authors_text":"Achille Fiore, Giulia Stratta, Ludovica Crosato Menegazzi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-16T16:17:51Z","title":"Exploring GRBs and supernovae connection: does a superluminous hypernova population exist?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.12224","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:b2838304934a90f9559683ee37dd9a1562a7250b3d55002fb2033e5152ecd090","target":"record","created_at":"2026-07-05T10:59:28Z","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":"160f8d7a452a59e04529f8a67f001d873c32b7f93d2d4b1f1cd0b9c1be2798cc","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-16T16:17:51Z","title_canon_sha256":"534f6ea9fa4b6a078a4ab36f018af4a529513bce09c8c331a8b2fcb721d30ee3"},"schema_version":"1.0","source":{"id":"2504.12224","kind":"arxiv","version":2}},"canonical_sha256":"03c4073af02c88eb997372b35463434626e4d075feffe75ff34cb2f57b6f8f39","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03c4073af02c88eb997372b35463434626e4d075feffe75ff34cb2f57b6f8f39","first_computed_at":"2026-07-05T10:59:28.833970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:59:28.833970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zA59yOb2ZDGz13FAlplGRT+yH8nPjYyqoEWhQQc+Da9VyaGVbcI1vbSLYjrQAXN9eQ2WKnbgwsjyjm1kmYReCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:59:28.834468Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.12224","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2838304934a90f9559683ee37dd9a1562a7250b3d55002fb2033e5152ecd090","sha256:e4bba50a594a3699d2071b5950b79397b73738b8db6b3ee86be7a20dfb90c111"],"state_sha256":"d625e07c5a89def3b44307bef046bb4b36b6960891c13e9ac6b3a4931413eb85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JKiteZxVnxPJp2VhudACnUSorAYhA57uFtJiC/x3fHUsSx2cPoC2qiTlQrl5QPdytKoKgtlbuRGAHdL0r/P3AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T16:15:16.877898Z","bundle_sha256":"1e108923e6ec066733d030541ee216813d8a530e5733466cb799398fc26014ff"}}