{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UALJBMKIOHCLQ5QPFDXQIAWD6P","short_pith_number":"pith:UALJBMKI","canonical_record":{"source":{"id":"1804.07317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:11Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"641bbc783a7044c2e73b8c8d7ace7aaf27a35736a823318435a7bfcb0ab7efe8","abstract_canon_sha256":"48944460e96edcf1bccb878327bcf33315183d889f4ca97393567366f257bef2"},"schema_version":"1.0"},"canonical_sha256":"a01690b14871c4b8760f28ef0402c3f3e5a3e5a107a0b91f0c33862d6a44e19e","source":{"kind":"arxiv","id":"1804.07317","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07317","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07317v1","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07317","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"UALJBMKIOHCL","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UALJBMKIOHCLQ5QP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UALJBMKI","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UALJBMKIOHCLQ5QPFDXQIAWD6P","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:11Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"641bbc783a7044c2e73b8c8d7ace7aaf27a35736a823318435a7bfcb0ab7efe8","abstract_canon_sha256":"48944460e96edcf1bccb878327bcf33315183d889f4ca97393567366f257bef2"},"schema_version":"1.0"},"canonical_sha256":"a01690b14871c4b8760f28ef0402c3f3e5a3e5a107a0b91f0c33862d6a44e19e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:14.359060Z","signature_b64":"Dcn5glQzejc2LhalYOiUjmlixZs2hv00i5uCVaaXqHwHdQK853qqS4aopWN4tVxelOanN6F9zZo1qlRqQIhNCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a01690b14871c4b8760f28ef0402c3f3e5a3e5a107a0b91f0c33862d6a44e19e","last_reissued_at":"2026-05-18T00:15:14.358456Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:14.358456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07317","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":"2026-05-18T00:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PPQ2UJmqUgemflBRJlo8FcoBYEsy7G2R5s8/bz+JaX9+3Gem8J288ndQ5v/yGSZz1C7f+lBGxDLfyM93XGeMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:29:22.294431Z"},"content_sha256":"1b0144e824446db2caba724e377bfb52cb76d292755f18ba1806896474ed5cf1","schema_version":"1.0","event_id":"sha256:1b0144e824446db2caba724e377bfb52cb76d292755f18ba1806896474ed5cf1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UALJBMKIOHCLQ5QPFDXQIAWD6P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Related progenitor models for long-duration gamma ray bursts and Type Ic superluminous supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Abel Schootemeijer, David R. Aguilera-Dena, Norbert Langer, Takashi J. Moriya","submitted_at":"2018-04-19T18:09:11Z","abstract_excerpt":"We model the late evolution and mass loss history of rapidly rotating Wolf-Rayet stars in the mass range $5\\,\\rm{M}_{\\odot}\\dots 100\\,\\rm{M}_{\\odot}$. We find that quasi-chemically homogeneously evolving single stars computed with enhanced mixing retain very little or no helium and are compatible with Type\\,Ic supernovae. The more efficient removal of core angular momentum and the expected smaller compact object mass in our lower mass models lead to core spins in the range suggested for magnetar driven superluminous supernovae. Our more massive models retain larger specific core angular moment"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07317","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":"2026-05-18T00:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJcokp4+C8m2gD/vU+YxbAvmvitk7FgmUYtzpUzFGhDibwvopcXPomI3usvRYkVRm0U92zq+t8wBNKoRBau2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:29:22.294839Z"},"content_sha256":"f95c743ace875452590d9da5f58dc64605019240146953df052c2a74dcc050a8","schema_version":"1.0","event_id":"sha256:f95c743ace875452590d9da5f58dc64605019240146953df052c2a74dcc050a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/bundle.json","state_url":"https://pith.science/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/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":"2026-05-22T08:29:22Z","links":{"resolver":"https://pith.science/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P","bundle":"https://pith.science/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/bundle.json","state":"https://pith.science/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UALJBMKIOHCLQ5QPFDXQIAWD6P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UALJBMKIOHCLQ5QPFDXQIAWD6P","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":"48944460e96edcf1bccb878327bcf33315183d889f4ca97393567366f257bef2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:11Z","title_canon_sha256":"641bbc783a7044c2e73b8c8d7ace7aaf27a35736a823318435a7bfcb0ab7efe8"},"schema_version":"1.0","source":{"id":"1804.07317","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07317","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07317v1","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07317","created_at":"2026-05-18T00:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"UALJBMKIOHCL","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UALJBMKIOHCLQ5QP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UALJBMKI","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:f95c743ace875452590d9da5f58dc64605019240146953df052c2a74dcc050a8","target":"graph","created_at":"2026-05-18T00:15:14Z","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":"We model the late evolution and mass loss history of rapidly rotating Wolf-Rayet stars in the mass range $5\\,\\rm{M}_{\\odot}\\dots 100\\,\\rm{M}_{\\odot}$. We find that quasi-chemically homogeneously evolving single stars computed with enhanced mixing retain very little or no helium and are compatible with Type\\,Ic supernovae. The more efficient removal of core angular momentum and the expected smaller compact object mass in our lower mass models lead to core spins in the range suggested for magnetar driven superluminous supernovae. Our more massive models retain larger specific core angular moment","authors_text":"Abel Schootemeijer, David R. Aguilera-Dena, Norbert Langer, Takashi J. Moriya","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:11Z","title":"Related progenitor models for long-duration gamma ray bursts and Type Ic superluminous supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07317","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":"sha256:1b0144e824446db2caba724e377bfb52cb76d292755f18ba1806896474ed5cf1","target":"record","created_at":"2026-05-18T00:15:14Z","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":"48944460e96edcf1bccb878327bcf33315183d889f4ca97393567366f257bef2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:11Z","title_canon_sha256":"641bbc783a7044c2e73b8c8d7ace7aaf27a35736a823318435a7bfcb0ab7efe8"},"schema_version":"1.0","source":{"id":"1804.07317","kind":"arxiv","version":1}},"canonical_sha256":"a01690b14871c4b8760f28ef0402c3f3e5a3e5a107a0b91f0c33862d6a44e19e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a01690b14871c4b8760f28ef0402c3f3e5a3e5a107a0b91f0c33862d6a44e19e","first_computed_at":"2026-05-18T00:15:14.358456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:14.358456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dcn5glQzejc2LhalYOiUjmlixZs2hv00i5uCVaaXqHwHdQK853qqS4aopWN4tVxelOanN6F9zZo1qlRqQIhNCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:14.359060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07317","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b0144e824446db2caba724e377bfb52cb76d292755f18ba1806896474ed5cf1","sha256:f95c743ace875452590d9da5f58dc64605019240146953df052c2a74dcc050a8"],"state_sha256":"7ebd425866b0d3a1fe72c72958beb305858ca5d9dc17e9c0cc9b5e0fae4345d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VlJ7fHb2ZJvvNO0x9AAJuUZV353qYEjvjXp46Gx/PGYxdYReLqwuujXaJWhf1GF4hoE20GY2JnFV7d8LNv5yBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T08:29:22.298005Z","bundle_sha256":"7eefcadc07b432ed6423408a1eb3d14f8c18e2d20816574b6b79dc9f182f3d31"}}