{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:RWR6MKVOCQOZTRTQ4HHVSGEYM2","short_pith_number":"pith:RWR6MKVO","canonical_record":{"source":{"id":"astro-ph/9704138","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-15T00:27:28Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"283185cd6fe49b605f0c70d96c73d517668766069fdaa1ca28fa91fd9da52aec","abstract_canon_sha256":"50dc69162a4032f40157c4ecb0624fe42d9fbeb8ba20a9a439add8d87da2a9ff"},"schema_version":"1.0"},"canonical_sha256":"8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65","source":{"kind":"arxiv","id":"astro-ph/9704138","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9704138","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9704138v2","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9704138","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"RWR6MKVOCQOZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"RWR6MKVOCQOZTRTQ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"RWR6MKVO","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:RWR6MKVOCQOZTRTQ4HHVSGEYM2","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9704138","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-15T00:27:28Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"283185cd6fe49b605f0c70d96c73d517668766069fdaa1ca28fa91fd9da52aec","abstract_canon_sha256":"50dc69162a4032f40157c4ecb0624fe42d9fbeb8ba20a9a439add8d87da2a9ff"},"schema_version":"1.0"},"canonical_sha256":"8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:40.440683Z","signature_b64":"/CdsnaFGhfJ6PmwJHgt5UFSQ7pkfBLS1ifj4WKtaCwrUTL4V88OHVAOWFrCEVdgY5ObJx1FFmY8QTYW2EZxoCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65","last_reissued_at":"2026-05-18T04:21:40.440221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:40.440221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9704138","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mf9nbp/3R1I+/ZlFAcU8aDEN/R1KnNWj7hXrOuErWbl1U/fXaGlja2uCve+W7nc9TzDgxvZrntQTyFtDiqFnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:50:38.401370Z"},"content_sha256":"460dfd0b429ce72ab4234bbd2db56946d467ac3de679bcdf4cc0f87756d1e879","schema_version":"1.0","event_id":"sha256:460dfd0b429ce72ab4234bbd2db56946d467ac3de679bcdf4cc0f87756d1e879"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:RWR6MKVOCQOZTRTQ4HHVSGEYM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Pulsar Velocities from Neutrino Oscillations","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Michael Birkel, Ramon Toldra (Oxford University)","submitted_at":"1997-04-15T00:27:28Z","abstract_excerpt":"It has been recently suggested that magnetically affected neutrino oscillations inside a cooling protoneutron star, created in a supernova explosion, could explain the large proper motion of pulsars. We investigate whether this hypothesis is in agreement with the observed properties of pulsars and find that present data disfavor the suggested mechanism. The relevance of our results for other models proposed to understand the origin of pulsar velocities is also discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9704138","kind":"arxiv","version":2},"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":"2026-05-18T04:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V2VLlFoWoVEzrVj/sjmXm2BGjra5pR8T2vpN8iK1sBSCD4Rp3Zptliln8bNkeGLgUl1T/d41IRQRgaDiUz0nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:50:38.401707Z"},"content_sha256":"3d349efc20876ef44bb3a76f0576e363e8ea3de93c4bb9a58d3365b3a58927c6","schema_version":"1.0","event_id":"sha256:3d349efc20876ef44bb3a76f0576e363e8ea3de93c4bb9a58d3365b3a58927c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/bundle.json","state_url":"https://pith.science/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/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":"2026-06-28T12:50:38Z","links":{"resolver":"https://pith.science/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2","bundle":"https://pith.science/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/bundle.json","state":"https://pith.science/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RWR6MKVOCQOZTRTQ4HHVSGEYM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:RWR6MKVOCQOZTRTQ4HHVSGEYM2","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":"50dc69162a4032f40157c4ecb0624fe42d9fbeb8ba20a9a439add8d87da2a9ff","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-15T00:27:28Z","title_canon_sha256":"283185cd6fe49b605f0c70d96c73d517668766069fdaa1ca28fa91fd9da52aec"},"schema_version":"1.0","source":{"id":"astro-ph/9704138","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9704138","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9704138v2","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9704138","created_at":"2026-05-18T04:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"RWR6MKVOCQOZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"RWR6MKVOCQOZTRTQ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"RWR6MKVO","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:3d349efc20876ef44bb3a76f0576e363e8ea3de93c4bb9a58d3365b3a58927c6","target":"graph","created_at":"2026-05-18T04:21:40Z","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":"It has been recently suggested that magnetically affected neutrino oscillations inside a cooling protoneutron star, created in a supernova explosion, could explain the large proper motion of pulsars. We investigate whether this hypothesis is in agreement with the observed properties of pulsars and find that present data disfavor the suggested mechanism. The relevance of our results for other models proposed to understand the origin of pulsar velocities is also discussed.","authors_text":"Michael Birkel, Ramon Toldra (Oxford University)","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-04-15T00:27:28Z","title":"On Pulsar Velocities from Neutrino Oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9704138","kind":"arxiv","version":2},"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":"sha256:460dfd0b429ce72ab4234bbd2db56946d467ac3de679bcdf4cc0f87756d1e879","target":"record","created_at":"2026-05-18T04:21:40Z","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":"50dc69162a4032f40157c4ecb0624fe42d9fbeb8ba20a9a439add8d87da2a9ff","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1997-04-15T00:27:28Z","title_canon_sha256":"283185cd6fe49b605f0c70d96c73d517668766069fdaa1ca28fa91fd9da52aec"},"schema_version":"1.0","source":{"id":"astro-ph/9704138","kind":"arxiv","version":2}},"canonical_sha256":"8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65","first_computed_at":"2026-05-18T04:21:40.440221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:40.440221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/CdsnaFGhfJ6PmwJHgt5UFSQ7pkfBLS1ifj4WKtaCwrUTL4V88OHVAOWFrCEVdgY5ObJx1FFmY8QTYW2EZxoCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:40.440683Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9704138","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:460dfd0b429ce72ab4234bbd2db56946d467ac3de679bcdf4cc0f87756d1e879","sha256:3d349efc20876ef44bb3a76f0576e363e8ea3de93c4bb9a58d3365b3a58927c6"],"state_sha256":"3ea4fa57f7bc5e77f88944282a585d8a03986eec120a10e269446ee5c350d706"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b3ouIwj2ZFX5jnXDLIq0joyl+8B0wyl+ITgBrOeMIcI4T20X2+KogMkyi6BgorlSeCZJRUWPSQCe0//jhTWOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T12:50:38.403497Z","bundle_sha256":"f3943b8b775bbf87f59e3aa7273a70c333dc93859d4a7ed8b200b2cd57f949bb"}}