{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:I2NKLFDUU6ZP2O6UHR3LATBR3U","short_pith_number":"pith:I2NKLFDU","canonical_record":{"source":{"id":"1301.0199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-02T10:12:08Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6435ab4675fdab4d15590ac12ae3f81b188831db61399780cb2449e621d6807d","abstract_canon_sha256":"b48fb7c79e6748669fade1b89a5d0444b2590df60402634c00878b5bcf1b8c46"},"schema_version":"1.0"},"canonical_sha256":"469aa59474a7b2fd3bd43c76b04c31dd1e9b51ed9cc3197a62247b0be3d7818a","source":{"kind":"arxiv","id":"1301.0199","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0199","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0199v1","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0199","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"I2NKLFDUU6ZP","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I2NKLFDUU6ZP2O6U","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I2NKLFDU","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:I2NKLFDUU6ZP2O6UHR3LATBR3U","target":"record","payload":{"canonical_record":{"source":{"id":"1301.0199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-02T10:12:08Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6435ab4675fdab4d15590ac12ae3f81b188831db61399780cb2449e621d6807d","abstract_canon_sha256":"b48fb7c79e6748669fade1b89a5d0444b2590df60402634c00878b5bcf1b8c46"},"schema_version":"1.0"},"canonical_sha256":"469aa59474a7b2fd3bd43c76b04c31dd1e9b51ed9cc3197a62247b0be3d7818a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:27.940209Z","signature_b64":"wwogilfeSbgjcdelLD6Ozcjxf91jJ8w+Hr4RIjN5boJ3zPfYdgq6TT1p3vPipHJlhLevYfye1Upa9PXv4L0+Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"469aa59474a7b2fd3bd43c76b04c31dd1e9b51ed9cc3197a62247b0be3d7818a","last_reissued_at":"2026-05-18T03:37:27.939586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:27.939586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.0199","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":"2026-05-18T03:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YV7gDMttgTj2IaJ9AG2G+9G/H9y7x8zv3BEQ/Yqb4c6R87iLRx+sapmIZIxZWzOQuhd0T/H9UmLqm01zQlmAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:20:25.205517Z"},"content_sha256":"4e6f9891668e3dfdce0e5e176661f6992b8bafe80a20d4c1af8a1df42eae052d","schema_version":"1.0","event_id":"sha256:4e6f9891668e3dfdce0e5e176661f6992b8bafe80a20d4c1af8a1df42eae052d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:I2NKLFDUU6ZP2O6UHR3LATBR3U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of the first Super-Lithium rich Beat Cepheid: V371 Per","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"M. Hillen, N. I. Gorlova, V. V. Kovtyukh","submitted_at":"2013-01-02T10:12:08Z","abstract_excerpt":"Four high-resolution spectra of the double-mode Cepheid V371 Per, obtained for the first time, showed the presence of the abnormally strong Li I 6707.76 A line. Our analysis of the light element abundances indicates that the star did not go through the evolutionary dredge-up stage. Large distance from the galactic plane and the low metallicity suggest that V371 Per may belong to the thick disc (or to the halo) of the Galaxy, which is consistent with its low metallicity [Fe/H]=-0.42 and the enhancement of the alpha- and s-elements relative to iron. Line splitting is observed in one of the spect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0199","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":"2026-05-18T03:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zwvuemaapbGhVYUBEUwwTzS+c8Pt54OaWv6s5iyU5BC0+jJEGIo++8GgQPleMNezjDAE5fUp7SHPfnMRK7pfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:20:25.205859Z"},"content_sha256":"f0396b3137265ab4487467b96f3b71aa4bbbcdea62398496fa19d1462984a0ec","schema_version":"1.0","event_id":"sha256:f0396b3137265ab4487467b96f3b71aa4bbbcdea62398496fa19d1462984a0ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/bundle.json","state_url":"https://pith.science/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/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":"2026-06-02T11:20:25Z","links":{"resolver":"https://pith.science/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U","bundle":"https://pith.science/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/bundle.json","state":"https://pith.science/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I2NKLFDUU6ZP2O6UHR3LATBR3U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:I2NKLFDUU6ZP2O6UHR3LATBR3U","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":"b48fb7c79e6748669fade1b89a5d0444b2590df60402634c00878b5bcf1b8c46","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-02T10:12:08Z","title_canon_sha256":"6435ab4675fdab4d15590ac12ae3f81b188831db61399780cb2449e621d6807d"},"schema_version":"1.0","source":{"id":"1301.0199","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0199","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0199v1","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0199","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"I2NKLFDUU6ZP","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I2NKLFDUU6ZP2O6U","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I2NKLFDU","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:f0396b3137265ab4487467b96f3b71aa4bbbcdea62398496fa19d1462984a0ec","target":"graph","created_at":"2026-05-18T03:37:27Z","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":"Four high-resolution spectra of the double-mode Cepheid V371 Per, obtained for the first time, showed the presence of the abnormally strong Li I 6707.76 A line. Our analysis of the light element abundances indicates that the star did not go through the evolutionary dredge-up stage. Large distance from the galactic plane and the low metallicity suggest that V371 Per may belong to the thick disc (or to the halo) of the Galaxy, which is consistent with its low metallicity [Fe/H]=-0.42 and the enhancement of the alpha- and s-elements relative to iron. Line splitting is observed in one of the spect","authors_text":"M. Hillen, N. I. Gorlova, V. V. Kovtyukh","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-02T10:12:08Z","title":"Discovery of the first Super-Lithium rich Beat Cepheid: V371 Per"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0199","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":"sha256:4e6f9891668e3dfdce0e5e176661f6992b8bafe80a20d4c1af8a1df42eae052d","target":"record","created_at":"2026-05-18T03:37:27Z","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":"b48fb7c79e6748669fade1b89a5d0444b2590df60402634c00878b5bcf1b8c46","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-02T10:12:08Z","title_canon_sha256":"6435ab4675fdab4d15590ac12ae3f81b188831db61399780cb2449e621d6807d"},"schema_version":"1.0","source":{"id":"1301.0199","kind":"arxiv","version":1}},"canonical_sha256":"469aa59474a7b2fd3bd43c76b04c31dd1e9b51ed9cc3197a62247b0be3d7818a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"469aa59474a7b2fd3bd43c76b04c31dd1e9b51ed9cc3197a62247b0be3d7818a","first_computed_at":"2026-05-18T03:37:27.939586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:27.939586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wwogilfeSbgjcdelLD6Ozcjxf91jJ8w+Hr4RIjN5boJ3zPfYdgq6TT1p3vPipHJlhLevYfye1Upa9PXv4L0+Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:27.940209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.0199","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e6f9891668e3dfdce0e5e176661f6992b8bafe80a20d4c1af8a1df42eae052d","sha256:f0396b3137265ab4487467b96f3b71aa4bbbcdea62398496fa19d1462984a0ec"],"state_sha256":"9fd1fc865f94d9b39bcb9519b25abdd8c03a5830abc8a43cdab06f34bf257dc6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYzNocUJ1Kz2jmuKhfym4r5hhnZy9V+ttnRws+YCHM6FMs3rn2GF4D6T/F8dA+l8y1ZlDp0YlpATmYiLSZwQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:20:25.207762Z","bundle_sha256":"6021ec09837a25d9e5664eedfc1d0f19837df54374de8e98372c72fb0b7cdb8e"}}