{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JKWIORZR7LCYP4HSIVNTPKMQV2","short_pith_number":"pith:JKWIORZR","canonical_record":{"source":{"id":"0909.1114","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-09-06T21:34:22Z","cross_cats_sorted":[],"title_canon_sha256":"01d44b7ba6fb063130d7c01be9f683e8893215f1e324d0a2daae9e090dcee8be","abstract_canon_sha256":"31eda39040953d5916d2cc69f4da8e69490f599947c0461e6bfac1b7530dc942"},"schema_version":"1.0"},"canonical_sha256":"4aac874731fac587f0f2455b37a990ae919420b54490c4615eed72840fca8ff0","source":{"kind":"arxiv","id":"0909.1114","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.1114","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"arxiv_version","alias_value":"0909.1114v1","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1114","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"pith_short_12","alias_value":"JKWIORZR7LCY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JKWIORZR7LCYP4HS","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JKWIORZR","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JKWIORZR7LCYP4HSIVNTPKMQV2","target":"record","payload":{"canonical_record":{"source":{"id":"0909.1114","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-09-06T21:34:22Z","cross_cats_sorted":[],"title_canon_sha256":"01d44b7ba6fb063130d7c01be9f683e8893215f1e324d0a2daae9e090dcee8be","abstract_canon_sha256":"31eda39040953d5916d2cc69f4da8e69490f599947c0461e6bfac1b7530dc942"},"schema_version":"1.0"},"canonical_sha256":"4aac874731fac587f0f2455b37a990ae919420b54490c4615eed72840fca8ff0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:30.950206Z","signature_b64":"sx5snTSDB0Vv4C9qJjpGP4LRH1E4uQ00PgEaYFT339hsFMiMl9eHj2EVVjqqccZePDzZWR/9q3VnPw+4b2iJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4aac874731fac587f0f2455b37a990ae919420b54490c4615eed72840fca8ff0","last_reissued_at":"2026-05-18T02:34:30.949807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:30.949807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.1114","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":"2026-05-18T02:34:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sGUT+iaJ7Mf0++dODLw4CoSCWoCQIoqX+4puDPQDqVddAn5YHzQauUp+EdUnGW/RYp2Li20uXsqfY+GOF/3gDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:55:42.918845Z"},"content_sha256":"acd89a7bde1d30a339f1ad8bbe32dff02d0e926b937616945d9b6e4c0ac20c57","schema_version":"1.0","event_id":"sha256:acd89a7bde1d30a339f1ad8bbe32dff02d0e926b937616945d9b6e4c0ac20c57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JKWIORZR7LCYP4HSIVNTPKMQV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quark-hadron phase transition in a neutron star under strong magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Rabhi, C. Providencia, H. Pais, P. K. Panda","submitted_at":"2009-09-06T21:34:22Z","abstract_excerpt":"We study the effect of a strong magnetic field on the properties of neutron stars with a quark-hadron phase transition. It is shown that the magnetic field prevents the appearance of a quark phase, enhances the leptonic fraction, decreases the baryonic density extension of the mixed phase and stiffens the total equation of state, including both the stellar matter and the magnetic field contributions. Two parametrisations of a density dependent static magnetic field, increasing, respectively, fast and slowly with the density and reaching $2-4\\times 10^{18}$G in the center of the star, are consi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1114","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":"2026-05-18T02:34:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dczc0284LrqWQ2w6jFYe+URHIs7C5Z1Ll1hB6BYpjCkm9bcxOLuRYUvEefabVMzXthUcCWEts1ld9zcZ4RAUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:55:42.919220Z"},"content_sha256":"eb96ee2846a462358b590381449374774232e78ef95307d8727dab779bc9b46e","schema_version":"1.0","event_id":"sha256:eb96ee2846a462358b590381449374774232e78ef95307d8727dab779bc9b46e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/bundle.json","state_url":"https://pith.science/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/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":"2026-05-25T17:55:42Z","links":{"resolver":"https://pith.science/pith/JKWIORZR7LCYP4HSIVNTPKMQV2","bundle":"https://pith.science/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/bundle.json","state":"https://pith.science/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JKWIORZR7LCYP4HSIVNTPKMQV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JKWIORZR7LCYP4HSIVNTPKMQV2","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":"31eda39040953d5916d2cc69f4da8e69490f599947c0461e6bfac1b7530dc942","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-09-06T21:34:22Z","title_canon_sha256":"01d44b7ba6fb063130d7c01be9f683e8893215f1e324d0a2daae9e090dcee8be"},"schema_version":"1.0","source":{"id":"0909.1114","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.1114","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"arxiv_version","alias_value":"0909.1114v1","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1114","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"pith_short_12","alias_value":"JKWIORZR7LCY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JKWIORZR7LCYP4HS","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JKWIORZR","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:eb96ee2846a462358b590381449374774232e78ef95307d8727dab779bc9b46e","target":"graph","created_at":"2026-05-18T02:34:30Z","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 study the effect of a strong magnetic field on the properties of neutron stars with a quark-hadron phase transition. It is shown that the magnetic field prevents the appearance of a quark phase, enhances the leptonic fraction, decreases the baryonic density extension of the mixed phase and stiffens the total equation of state, including both the stellar matter and the magnetic field contributions. Two parametrisations of a density dependent static magnetic field, increasing, respectively, fast and slowly with the density and reaching $2-4\\times 10^{18}$G in the center of the star, are consi","authors_text":"A. Rabhi, C. Providencia, H. Pais, P. K. Panda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-09-06T21:34:22Z","title":"Quark-hadron phase transition in a neutron star under strong magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1114","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:acd89a7bde1d30a339f1ad8bbe32dff02d0e926b937616945d9b6e4c0ac20c57","target":"record","created_at":"2026-05-18T02:34:30Z","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":"31eda39040953d5916d2cc69f4da8e69490f599947c0461e6bfac1b7530dc942","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-09-06T21:34:22Z","title_canon_sha256":"01d44b7ba6fb063130d7c01be9f683e8893215f1e324d0a2daae9e090dcee8be"},"schema_version":"1.0","source":{"id":"0909.1114","kind":"arxiv","version":1}},"canonical_sha256":"4aac874731fac587f0f2455b37a990ae919420b54490c4615eed72840fca8ff0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4aac874731fac587f0f2455b37a990ae919420b54490c4615eed72840fca8ff0","first_computed_at":"2026-05-18T02:34:30.949807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:30.949807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sx5snTSDB0Vv4C9qJjpGP4LRH1E4uQ00PgEaYFT339hsFMiMl9eHj2EVVjqqccZePDzZWR/9q3VnPw+4b2iJDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:30.950206Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.1114","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acd89a7bde1d30a339f1ad8bbe32dff02d0e926b937616945d9b6e4c0ac20c57","sha256:eb96ee2846a462358b590381449374774232e78ef95307d8727dab779bc9b46e"],"state_sha256":"6961c7a0fa30107ecca473c1dcc706e22a9e5f3a3af1cf7436f558bfaad37bc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TBA4siGvn32l+mnrsmmvn1TUm/IVYCxctzu07oTBnapgo0IcQVgf90EKwyZHH3lRt8KnXELbw0lckdgLgeA6Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:55:42.922667Z","bundle_sha256":"ad6142d2a3eeefcc74099d1365a903518489cc1540df9a1b68d19fe95eeaac3f"}}