{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MYMOVHFNFELP2CMPJCZW72AD5E","short_pith_number":"pith:MYMOVHFN","canonical_record":{"source":{"id":"1411.5377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-19T21:05:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d9bf494cc3c7eedc7ee011a648fdd6273019feee5c545eb3a4783568072d4018","abstract_canon_sha256":"ace3fa5c8b14dbc083cfc8a6985e3d4a509582d8709c134979e0f3c453c39af1"},"schema_version":"1.0"},"canonical_sha256":"6618ea9cad2916fd098f48b36fe803e904bfe780cdb74cb7f722728bf6ac70c2","source":{"kind":"arxiv","id":"1411.5377","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5377","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5377v1","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5377","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"pith_short_12","alias_value":"MYMOVHFNFELP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MYMOVHFNFELP2CMP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MYMOVHFN","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MYMOVHFNFELP2CMPJCZW72AD5E","target":"record","payload":{"canonical_record":{"source":{"id":"1411.5377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-19T21:05:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d9bf494cc3c7eedc7ee011a648fdd6273019feee5c545eb3a4783568072d4018","abstract_canon_sha256":"ace3fa5c8b14dbc083cfc8a6985e3d4a509582d8709c134979e0f3c453c39af1"},"schema_version":"1.0"},"canonical_sha256":"6618ea9cad2916fd098f48b36fe803e904bfe780cdb74cb7f722728bf6ac70c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:35.227998Z","signature_b64":"Tv2fA+Vbq3r3ZpLfIuwpCsj8wkOClTqY1JECJ0I5UPSfMangYHwqnWo1EWAw8flZdc3wXiUMcEYvx0tSdajyBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6618ea9cad2916fd098f48b36fe803e904bfe780cdb74cb7f722728bf6ac70c2","last_reissued_at":"2026-05-18T02:03:35.227263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:35.227263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.5377","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":"2026-05-18T02:03:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3tgxAByKEWYfwUFwdgkOFZZgL2nI4lLBmW1fR2wOVztorGiTqCni3stwSdsrCvKPEvObMS1lL4hFvtzuh13KDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T08:50:19.896601Z"},"content_sha256":"24f837a22ffa954cc226578fc4c66d9939d78d687c09869d7c71ace6c7f39d5e","schema_version":"1.0","event_id":"sha256:24f837a22ffa954cc226578fc4c66d9939d78d687c09869d7c71ace6c7f39d5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MYMOVHFNFELP2CMPJCZW72AD5E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finding the First Cosmic Explosions. IV. 90 - 140 M$_{\\odot}$ Pair-Instability Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"Alexandra Kozyreva, Brandon K. Wiggins, Daniel J. Whalen, E. Chatzopoulos, Joseph Smidt, Ke-Jung Chen, Wesley Even","submitted_at":"2014-11-19T21:05:21Z","abstract_excerpt":"Population III stars that die as pair-instability supernovae are usually thought to fall in the mass range of 140 - 260 M$_{\\odot}$. But several lines of work have now shown that rotation can build up the He cores needed to encounter the pair instability at stellar masses as low as 90 $_{\\odot}$. Depending on the slope of the initial mass function of Population III stars, there could be 4 - 5 times as many stars from 90 - 140 $_{\\odot}$ in the primordial universe than in the usually accepted range. We present numerical simulations of the pair-instability explosions of such stars performed with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5377","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":"2026-05-18T02:03:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FnD7YMVfyYv1YtVSJMGagqhfBUKAdWySaAEnDfZeDpo3D6oBlE/PMOqwgIZmMq1ySd99gfsu3Tql2qwDHPpNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T08:50:19.897372Z"},"content_sha256":"98232b254015ca7647d0a6ae1c1ce19f2c5e04a0d3f9498c61e73d72b5c95a12","schema_version":"1.0","event_id":"sha256:98232b254015ca7647d0a6ae1c1ce19f2c5e04a0d3f9498c61e73d72b5c95a12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYMOVHFNFELP2CMPJCZW72AD5E/bundle.json","state_url":"https://pith.science/pith/MYMOVHFNFELP2CMPJCZW72AD5E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYMOVHFNFELP2CMPJCZW72AD5E/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":"2026-05-23T08:50:19Z","links":{"resolver":"https://pith.science/pith/MYMOVHFNFELP2CMPJCZW72AD5E","bundle":"https://pith.science/pith/MYMOVHFNFELP2CMPJCZW72AD5E/bundle.json","state":"https://pith.science/pith/MYMOVHFNFELP2CMPJCZW72AD5E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYMOVHFNFELP2CMPJCZW72AD5E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MYMOVHFNFELP2CMPJCZW72AD5E","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":"ace3fa5c8b14dbc083cfc8a6985e3d4a509582d8709c134979e0f3c453c39af1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-19T21:05:21Z","title_canon_sha256":"d9bf494cc3c7eedc7ee011a648fdd6273019feee5c545eb3a4783568072d4018"},"schema_version":"1.0","source":{"id":"1411.5377","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5377","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5377v1","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5377","created_at":"2026-05-18T02:03:35Z"},{"alias_kind":"pith_short_12","alias_value":"MYMOVHFNFELP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MYMOVHFNFELP2CMP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MYMOVHFN","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:98232b254015ca7647d0a6ae1c1ce19f2c5e04a0d3f9498c61e73d72b5c95a12","target":"graph","created_at":"2026-05-18T02:03:35Z","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":"Population III stars that die as pair-instability supernovae are usually thought to fall in the mass range of 140 - 260 M$_{\\odot}$. But several lines of work have now shown that rotation can build up the He cores needed to encounter the pair instability at stellar masses as low as 90 $_{\\odot}$. Depending on the slope of the initial mass function of Population III stars, there could be 4 - 5 times as many stars from 90 - 140 $_{\\odot}$ in the primordial universe than in the usually accepted range. We present numerical simulations of the pair-instability explosions of such stars performed with","authors_text":"Alexandra Kozyreva, Brandon K. Wiggins, Daniel J. Whalen, E. Chatzopoulos, Joseph Smidt, Ke-Jung Chen, Wesley Even","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-19T21:05:21Z","title":"Finding the First Cosmic Explosions. IV. 90 - 140 M$_{\\odot}$ Pair-Instability Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5377","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":"sha256:24f837a22ffa954cc226578fc4c66d9939d78d687c09869d7c71ace6c7f39d5e","target":"record","created_at":"2026-05-18T02:03:35Z","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":"ace3fa5c8b14dbc083cfc8a6985e3d4a509582d8709c134979e0f3c453c39af1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-19T21:05:21Z","title_canon_sha256":"d9bf494cc3c7eedc7ee011a648fdd6273019feee5c545eb3a4783568072d4018"},"schema_version":"1.0","source":{"id":"1411.5377","kind":"arxiv","version":1}},"canonical_sha256":"6618ea9cad2916fd098f48b36fe803e904bfe780cdb74cb7f722728bf6ac70c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6618ea9cad2916fd098f48b36fe803e904bfe780cdb74cb7f722728bf6ac70c2","first_computed_at":"2026-05-18T02:03:35.227263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:35.227263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tv2fA+Vbq3r3ZpLfIuwpCsj8wkOClTqY1JECJ0I5UPSfMangYHwqnWo1EWAw8flZdc3wXiUMcEYvx0tSdajyBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:35.227998Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5377","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24f837a22ffa954cc226578fc4c66d9939d78d687c09869d7c71ace6c7f39d5e","sha256:98232b254015ca7647d0a6ae1c1ce19f2c5e04a0d3f9498c61e73d72b5c95a12"],"state_sha256":"fd9a20d00f4f3584ea063e8f709bc7a695536950197b1e3efa82a0a5d0a31755"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NosV/0KuSh6zbI+I6hPurVktPIIFLPUYP3Neg9IxwwP3gTac7CVM/6GDUdnJT0uWPvCyDWxfioJL++MUyvfrAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T08:50:19.900927Z","bundle_sha256":"e2b432b0f5b64da64a072a34a151fd2798a839760649869cb3b853ae490421e9"}}