{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:5EFGKXZUI3BC6NRF52GLK3DZCP","short_pith_number":"pith:5EFGKXZU","canonical_record":{"source":{"id":"astro-ph/0502398","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-21T00:21:14Z","cross_cats_sorted":[],"title_canon_sha256":"0263cdf9e7a017fbf21a4f53d1e608afca6bafaa86297d94ebaaf7a1bfc11462","abstract_canon_sha256":"5848ebbb6ece0482aa8e0d1d96141e154402e83bf6dbf46756da65c41a763010"},"schema_version":"1.0"},"canonical_sha256":"e90a655f3446c22f3625ee8cb56c7913f94af948b23910badfab1abfe3c3099b","source":{"kind":"arxiv","id":"astro-ph/0502398","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502398","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502398v1","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502398","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"pith_short_12","alias_value":"5EFGKXZUI3BC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"5EFGKXZUI3BC6NRF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"5EFGKXZU","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:5EFGKXZUI3BC6NRF52GLK3DZCP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0502398","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-21T00:21:14Z","cross_cats_sorted":[],"title_canon_sha256":"0263cdf9e7a017fbf21a4f53d1e608afca6bafaa86297d94ebaaf7a1bfc11462","abstract_canon_sha256":"5848ebbb6ece0482aa8e0d1d96141e154402e83bf6dbf46756da65c41a763010"},"schema_version":"1.0"},"canonical_sha256":"e90a655f3446c22f3625ee8cb56c7913f94af948b23910badfab1abfe3c3099b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:31.660429Z","signature_b64":"AfTeZbuj3siqM3iiS5lEIW4dXaTZlwD3g64cfAP0zid2N8rCxkfMgA31GmcS9+s0ITeR8FUIrjDE6DlWL/uKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e90a655f3446c22f3625ee8cb56c7913f94af948b23910badfab1abfe3c3099b","last_reissued_at":"2026-05-18T01:07:31.659778Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:31.659778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0502398","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":"2026-05-18T01:07:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H1QjJ69wZs4rGDop3KNgB3Po2P7Ck3nwS+AtkOlFLdAM8NDD4Qt0VmdQizKAabOleoP/kVxcPFshVnZyZPtGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:59:49.178268Z"},"content_sha256":"6e3b89a99b073d3780c6d9b03719ea5ebe2c9a751b382937c9ab566fd2fe5620","schema_version":"1.0","event_id":"sha256:6e3b89a99b073d3780c6d9b03719ea5ebe2c9a751b382937c9ab566fd2fe5620"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:5EFGKXZUI3BC6NRF52GLK3DZCP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Supernova search at intermediate z. III. Expansion velocities of the ejecta","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Balastegui, C. Balland, G. Altavilla, J. Mendez, K. Schahmaneche, M. Irwin, N. Walton, P. Ruiz-Lapuente, R. Pain","submitted_at":"2005-02-21T00:21:14Z","abstract_excerpt":"We discuss the expansion velocities of different elements in the ejecta of the intermediate-z SNe Ia discovered as a part of the International Time Programme (ITP) project ``Omega and Lambda from Supernovae and the Physics of\n Supernova Explosions'' at the European Northern Observatory (ENO). The expansion velocities measured for each normal SNIa are found to be within the typical velocity dispersion for their epoch. Meanwhile, the subluminous SN 2002lk SiII expansion velocity is significantly higher than that of SN 1991bg shortly after maximum. The observed phase was younger in SN2002lk than "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502398","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":"2026-05-18T01:07:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8yc6K77TXyKKJv9w0VHIIEcaRccbpRpKvIVMqUba61Dfk6mWuVniJyfpOYzKfF0pxp8zuWLrITPi8bZ4tFuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:59:49.178879Z"},"content_sha256":"3b525db4443eb1d5c6b5b784618ec826c11703b22646524e74bdc3b1cc577afe","schema_version":"1.0","event_id":"sha256:3b525db4443eb1d5c6b5b784618ec826c11703b22646524e74bdc3b1cc577afe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/bundle.json","state_url":"https://pith.science/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/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":"2026-05-26T23:59:49Z","links":{"resolver":"https://pith.science/pith/5EFGKXZUI3BC6NRF52GLK3DZCP","bundle":"https://pith.science/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/bundle.json","state":"https://pith.science/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5EFGKXZUI3BC6NRF52GLK3DZCP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:5EFGKXZUI3BC6NRF52GLK3DZCP","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":"5848ebbb6ece0482aa8e0d1d96141e154402e83bf6dbf46756da65c41a763010","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-21T00:21:14Z","title_canon_sha256":"0263cdf9e7a017fbf21a4f53d1e608afca6bafaa86297d94ebaaf7a1bfc11462"},"schema_version":"1.0","source":{"id":"astro-ph/0502398","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502398","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502398v1","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502398","created_at":"2026-05-18T01:07:31Z"},{"alias_kind":"pith_short_12","alias_value":"5EFGKXZUI3BC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"5EFGKXZUI3BC6NRF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"5EFGKXZU","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:3b525db4443eb1d5c6b5b784618ec826c11703b22646524e74bdc3b1cc577afe","target":"graph","created_at":"2026-05-18T01:07:31Z","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 discuss the expansion velocities of different elements in the ejecta of the intermediate-z SNe Ia discovered as a part of the International Time Programme (ITP) project ``Omega and Lambda from Supernovae and the Physics of\n Supernova Explosions'' at the European Northern Observatory (ENO). The expansion velocities measured for each normal SNIa are found to be within the typical velocity dispersion for their epoch. Meanwhile, the subluminous SN 2002lk SiII expansion velocity is significantly higher than that of SN 1991bg shortly after maximum. The observed phase was younger in SN2002lk than ","authors_text":"A. Balastegui, C. Balland, G. Altavilla, J. Mendez, K. Schahmaneche, M. Irwin, N. Walton, P. Ruiz-Lapuente, R. Pain","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-02-21T00:21:14Z","title":"Supernova search at intermediate z. III. Expansion velocities of the ejecta"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502398","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":"sha256:6e3b89a99b073d3780c6d9b03719ea5ebe2c9a751b382937c9ab566fd2fe5620","target":"record","created_at":"2026-05-18T01:07:31Z","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":"5848ebbb6ece0482aa8e0d1d96141e154402e83bf6dbf46756da65c41a763010","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-21T00:21:14Z","title_canon_sha256":"0263cdf9e7a017fbf21a4f53d1e608afca6bafaa86297d94ebaaf7a1bfc11462"},"schema_version":"1.0","source":{"id":"astro-ph/0502398","kind":"arxiv","version":1}},"canonical_sha256":"e90a655f3446c22f3625ee8cb56c7913f94af948b23910badfab1abfe3c3099b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e90a655f3446c22f3625ee8cb56c7913f94af948b23910badfab1abfe3c3099b","first_computed_at":"2026-05-18T01:07:31.659778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:31.659778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AfTeZbuj3siqM3iiS5lEIW4dXaTZlwD3g64cfAP0zid2N8rCxkfMgA31GmcS9+s0ITeR8FUIrjDE6DlWL/uKCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:31.660429Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0502398","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e3b89a99b073d3780c6d9b03719ea5ebe2c9a751b382937c9ab566fd2fe5620","sha256:3b525db4443eb1d5c6b5b784618ec826c11703b22646524e74bdc3b1cc577afe"],"state_sha256":"fde6c2e94f69475f66afba99412f0bcaf772e9edb80ee5766ca7828775fb5ce1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FcJRiwQOhAcDbxW4RqmVPVMvSWqvlZ9bMSO33T/gq/sTXHn8sjtnrczmJQDM+iP6koRMv+2xPsYB35rvyDvtDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:59:49.181737Z","bundle_sha256":"57dbdc5fe4184c287757176e11e3b0b6f9ab664d5f9c97f5bac7d88f73c910b2"}}