{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:PZVYJE3FOPLILMML2NQUZBCQGW","short_pith_number":"pith:PZVYJE3F","canonical_record":{"source":{"id":"1205.2395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-10T22:03:07Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4cbfc89ef043befc51ab180c1f1d59d27b2581d89f4617f683ff8566d68cb9f2","abstract_canon_sha256":"4a48b12bc37b49865cc30c585714f796f5e028fa8b189271cc107ff76f3c6dee"},"schema_version":"1.0"},"canonical_sha256":"7e6b84936573d685b18bd3614c845035a3d68980e6456bf369a4ff36ca22437e","source":{"kind":"arxiv","id":"1205.2395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.2395","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"arxiv_version","alias_value":"1205.2395v1","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.2395","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZVYJE3FOPLI","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PZVYJE3FOPLILMML","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PZVYJE3F","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:PZVYJE3FOPLILMML2NQUZBCQGW","target":"record","payload":{"canonical_record":{"source":{"id":"1205.2395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-10T22:03:07Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4cbfc89ef043befc51ab180c1f1d59d27b2581d89f4617f683ff8566d68cb9f2","abstract_canon_sha256":"4a48b12bc37b49865cc30c585714f796f5e028fa8b189271cc107ff76f3c6dee"},"schema_version":"1.0"},"canonical_sha256":"7e6b84936573d685b18bd3614c845035a3d68980e6456bf369a4ff36ca22437e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:33.581420Z","signature_b64":"PbmT5FsmLmLbNHzbP1UGGa2h7SBVuKgqBnb74Rk0sPM7t8hbTtEdSt8kQT3wo9jVjsA/wQZ+V0VZdXvPP8WAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e6b84936573d685b18bd3614c845035a3d68980e6456bf369a4ff36ca22437e","last_reissued_at":"2026-05-18T01:57:33.580794Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:33.580794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.2395","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":"2026-05-18T01:57:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mOrM/VjKbGQzBfkigcpbsBy08E7xi7KBi2Rx/wGgJ1BaiLcyJ89mbir+DnxYE4ORk9pll0rcsRF6cljsnuCsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:09:03.724496Z"},"content_sha256":"de8ded6af089d76361fde8b76f38bc37f40f47af266ab9f2c6483e2688321c78","schema_version":"1.0","event_id":"sha256:de8ded6af089d76361fde8b76f38bc37f40f47af266ab9f2c6483e2688321c78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:PZVYJE3FOPLILMML2NQUZBCQGW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Type Ib/c Supernovae with and without Gamma-Ray Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Maryam Modjaz (NYU)","submitted_at":"2012-05-10T22:03:07Z","abstract_excerpt":"While the connection between Long Gamma-Ray Bursts (GRBs) and Type Ib/c Supernovae (SNe Ib/c) from stripped stars has been well-established, one key outstanding question is what conditions and factors lead to each kind of explosion in massive stripped stars. One promising line of attack is to investigate what sets apart SNe Ib/c with GRBs from those without GRBs. Here, I briefly present two observational studies that probe the SN properties and the environmental metallicities of SNe Ib/c (specifically broad-lined SNe Ic) with and without GRBs. I present an analysis of expansion velocities base"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.2395","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":"2026-05-18T01:57:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1TQheYJ8KhOv5YL0TXLjpzVxI4S2M9gg0OYxq2QHP81zPKY3BrxFA4zsQ0b7WCNBCOmumUZWgpjIXeQL7G6zDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:09:03.724844Z"},"content_sha256":"03f40862fd07358e8749159b4ba5b6d347241f091f41cc18183471e02ef6a08e","schema_version":"1.0","event_id":"sha256:03f40862fd07358e8749159b4ba5b6d347241f091f41cc18183471e02ef6a08e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZVYJE3FOPLILMML2NQUZBCQGW/bundle.json","state_url":"https://pith.science/pith/PZVYJE3FOPLILMML2NQUZBCQGW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZVYJE3FOPLILMML2NQUZBCQGW/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":"2026-06-04T03:09:03Z","links":{"resolver":"https://pith.science/pith/PZVYJE3FOPLILMML2NQUZBCQGW","bundle":"https://pith.science/pith/PZVYJE3FOPLILMML2NQUZBCQGW/bundle.json","state":"https://pith.science/pith/PZVYJE3FOPLILMML2NQUZBCQGW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZVYJE3FOPLILMML2NQUZBCQGW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PZVYJE3FOPLILMML2NQUZBCQGW","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":"4a48b12bc37b49865cc30c585714f796f5e028fa8b189271cc107ff76f3c6dee","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-10T22:03:07Z","title_canon_sha256":"4cbfc89ef043befc51ab180c1f1d59d27b2581d89f4617f683ff8566d68cb9f2"},"schema_version":"1.0","source":{"id":"1205.2395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.2395","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"arxiv_version","alias_value":"1205.2395v1","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.2395","created_at":"2026-05-18T01:57:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZVYJE3FOPLI","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PZVYJE3FOPLILMML","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PZVYJE3F","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:03f40862fd07358e8749159b4ba5b6d347241f091f41cc18183471e02ef6a08e","target":"graph","created_at":"2026-05-18T01:57:33Z","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":"While the connection between Long Gamma-Ray Bursts (GRBs) and Type Ib/c Supernovae (SNe Ib/c) from stripped stars has been well-established, one key outstanding question is what conditions and factors lead to each kind of explosion in massive stripped stars. One promising line of attack is to investigate what sets apart SNe Ib/c with GRBs from those without GRBs. Here, I briefly present two observational studies that probe the SN properties and the environmental metallicities of SNe Ib/c (specifically broad-lined SNe Ic) with and without GRBs. I present an analysis of expansion velocities base","authors_text":"Maryam Modjaz (NYU)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-10T22:03:07Z","title":"Type Ib/c Supernovae with and without Gamma-Ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.2395","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:de8ded6af089d76361fde8b76f38bc37f40f47af266ab9f2c6483e2688321c78","target":"record","created_at":"2026-05-18T01:57:33Z","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":"4a48b12bc37b49865cc30c585714f796f5e028fa8b189271cc107ff76f3c6dee","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-10T22:03:07Z","title_canon_sha256":"4cbfc89ef043befc51ab180c1f1d59d27b2581d89f4617f683ff8566d68cb9f2"},"schema_version":"1.0","source":{"id":"1205.2395","kind":"arxiv","version":1}},"canonical_sha256":"7e6b84936573d685b18bd3614c845035a3d68980e6456bf369a4ff36ca22437e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e6b84936573d685b18bd3614c845035a3d68980e6456bf369a4ff36ca22437e","first_computed_at":"2026-05-18T01:57:33.580794Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:33.580794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PbmT5FsmLmLbNHzbP1UGGa2h7SBVuKgqBnb74Rk0sPM7t8hbTtEdSt8kQT3wo9jVjsA/wQZ+V0VZdXvPP8WAAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:33.581420Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.2395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de8ded6af089d76361fde8b76f38bc37f40f47af266ab9f2c6483e2688321c78","sha256:03f40862fd07358e8749159b4ba5b6d347241f091f41cc18183471e02ef6a08e"],"state_sha256":"81d153d426a5fa32d152815720731b3ebbb8935d54f197cbdc84742943259789"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5//UfmQ3l1vq91Vgshdl3xab2oPzJJ5ApFeFTpYEQqwAQq10PouOonCcr1Wr7Cx+UfrgaKJjZ43P6x+UomHGAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:09:03.726862Z","bundle_sha256":"81d890ec0dce8eeca91b56e8c573ee8a896e4c6b382aa3a212b965dbe175a065"}}