{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OBMMRSUMCBAHK3LOAMAQ4JWFQO","short_pith_number":"pith:OBMMRSUM","canonical_record":{"source":{"id":"1408.3833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-17T15:44:51Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"a677211d11c5e6eee922c0c5eb05731216d4cdad722c7c701fbed0eac10d697f","abstract_canon_sha256":"ae3ef049b79e3c171c276651791de62fad929dc228645b3f2876582d87a8fc7d"},"schema_version":"1.0"},"canonical_sha256":"7058c8ca8c1040756d6e03010e26c5838a1d2314b912c4512565e840b7ac77d7","source":{"kind":"arxiv","id":"1408.3833","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3833","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3833v1","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3833","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"pith_short_12","alias_value":"OBMMRSUMCBAH","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OBMMRSUMCBAHK3LO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OBMMRSUM","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OBMMRSUMCBAHK3LOAMAQ4JWFQO","target":"record","payload":{"canonical_record":{"source":{"id":"1408.3833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-17T15:44:51Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"a677211d11c5e6eee922c0c5eb05731216d4cdad722c7c701fbed0eac10d697f","abstract_canon_sha256":"ae3ef049b79e3c171c276651791de62fad929dc228645b3f2876582d87a8fc7d"},"schema_version":"1.0"},"canonical_sha256":"7058c8ca8c1040756d6e03010e26c5838a1d2314b912c4512565e840b7ac77d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:18.219608Z","signature_b64":"QHRYwVRFLeB2W82JycHiil1YhEeIhe6luVv8YhOM04WzoSk2rKCxWYfJ5DpJrG7KeNZiBCXq6SU3VpVLm3ATBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7058c8ca8c1040756d6e03010e26c5838a1d2314b912c4512565e840b7ac77d7","last_reissued_at":"2026-05-18T01:42:18.218874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:18.218874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.3833","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":"2026-05-18T01:42:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RwR42tvoCxrvzJs/ham8fl3qzyr0uJ5E867fvbaMW7dHOwCoae6dd27AuZYKwSucy9Gw6BWJ7I9198+/HmmECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:06:33.695598Z"},"content_sha256":"cd8257fbb2af5a5ac458aca7d4a7beba53ed1b5f44b385c84c2dab3aa63ef958","schema_version":"1.0","event_id":"sha256:cd8257fbb2af5a5ac458aca7d4a7beba53ed1b5f44b385c84c2dab3aa63ef958"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OBMMRSUMCBAHK3LOAMAQ4JWFQO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Creation of magnetic spots at the neutron star surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"D. Vigan\\`o, U. Geppert","submitted_at":"2014-08-17T15:44:51Z","abstract_excerpt":"According to the partially screened gap scenario, an efficient electron-positron pair creation, a general precondition of radio-pulsar activity, relies on the existence of magnetic spots, i.e., local concentrations of strong and small scale magnetic field structures at the surface of neutron stars. They have a strong impact on the surface temperature, which is potentially observable. Here we reinforce the idea that such magnetic spots can be formed by extracting magnetic energy from the toroidal field that resides in deep crustal layers, via Hall drift. We study and discuss the magneto-thermal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3833","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":"2026-05-18T01:42:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"925Y5Z1IlIZeapMM60Xw3+c1JwEuaigKi5dugTtgv62HExeEmOpxOD3vAp/QuQZ37LUI7RjLgRbs9j/cr8/1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:06:33.696040Z"},"content_sha256":"ca9c2744f8cc5642ac5aa6232af037ff837efd5a62c4dfbde28cf335d2adaa7f","schema_version":"1.0","event_id":"sha256:ca9c2744f8cc5642ac5aa6232af037ff837efd5a62c4dfbde28cf335d2adaa7f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/bundle.json","state_url":"https://pith.science/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/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":"2026-08-06T08:06:33Z","links":{"resolver":"https://pith.science/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO","bundle":"https://pith.science/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/bundle.json","state":"https://pith.science/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBMMRSUMCBAHK3LOAMAQ4JWFQO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OBMMRSUMCBAHK3LOAMAQ4JWFQO","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":"ae3ef049b79e3c171c276651791de62fad929dc228645b3f2876582d87a8fc7d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-17T15:44:51Z","title_canon_sha256":"a677211d11c5e6eee922c0c5eb05731216d4cdad722c7c701fbed0eac10d697f"},"schema_version":"1.0","source":{"id":"1408.3833","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3833","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3833v1","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3833","created_at":"2026-05-18T01:42:18Z"},{"alias_kind":"pith_short_12","alias_value":"OBMMRSUMCBAH","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OBMMRSUMCBAHK3LO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OBMMRSUM","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:ca9c2744f8cc5642ac5aa6232af037ff837efd5a62c4dfbde28cf335d2adaa7f","target":"graph","created_at":"2026-05-18T01:42:18Z","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":"According to the partially screened gap scenario, an efficient electron-positron pair creation, a general precondition of radio-pulsar activity, relies on the existence of magnetic spots, i.e., local concentrations of strong and small scale magnetic field structures at the surface of neutron stars. They have a strong impact on the surface temperature, which is potentially observable. Here we reinforce the idea that such magnetic spots can be formed by extracting magnetic energy from the toroidal field that resides in deep crustal layers, via Hall drift. We study and discuss the magneto-thermal","authors_text":"D. Vigan\\`o, U. Geppert","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-17T15:44:51Z","title":"Creation of magnetic spots at the neutron star surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3833","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:cd8257fbb2af5a5ac458aca7d4a7beba53ed1b5f44b385c84c2dab3aa63ef958","target":"record","created_at":"2026-05-18T01:42:18Z","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":"ae3ef049b79e3c171c276651791de62fad929dc228645b3f2876582d87a8fc7d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-17T15:44:51Z","title_canon_sha256":"a677211d11c5e6eee922c0c5eb05731216d4cdad722c7c701fbed0eac10d697f"},"schema_version":"1.0","source":{"id":"1408.3833","kind":"arxiv","version":1}},"canonical_sha256":"7058c8ca8c1040756d6e03010e26c5838a1d2314b912c4512565e840b7ac77d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7058c8ca8c1040756d6e03010e26c5838a1d2314b912c4512565e840b7ac77d7","first_computed_at":"2026-05-18T01:42:18.218874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:18.218874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QHRYwVRFLeB2W82JycHiil1YhEeIhe6luVv8YhOM04WzoSk2rKCxWYfJ5DpJrG7KeNZiBCXq6SU3VpVLm3ATBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:18.219608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.3833","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd8257fbb2af5a5ac458aca7d4a7beba53ed1b5f44b385c84c2dab3aa63ef958","sha256:ca9c2744f8cc5642ac5aa6232af037ff837efd5a62c4dfbde28cf335d2adaa7f"],"state_sha256":"ec16cc82520bea21e8e6c40d5f277e02c574875c4529c321377e73530bfa7d43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T3M1C+mpj8vtfwN9rihmTTWw/RjttjNWIq+XgFLp4NtBeJfiBJPoJFFWvd0b5OgU/zyeo1y//0XMI/GmPTyNBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T08:06:33.699420Z","bundle_sha256":"bc206952b4910ecdf22345d02873b0b3b9eb0ac34a29406990cd6c7aea3d74c9"}}