{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MQOCWVEI37S7AYUIIV5WMILX2Y","short_pith_number":"pith:MQOCWVEI","canonical_record":{"source":{"id":"1408.0139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-01T11:55:40Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"715d9c0ca2ab0bac010af8571e037767fdc99d05b40510675484df7ab435d528","abstract_canon_sha256":"ac1d40ba6afe717989b085a9d76e3173963d430d25006d97468f052cc64cbd73"},"schema_version":"1.0"},"canonical_sha256":"641c2b5488dfe5f06288457b662177d6027f3f108cf3a9965b01a1b151c0b438","source":{"kind":"arxiv","id":"1408.0139","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0139","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0139v1","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0139","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"MQOCWVEI37S7","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MQOCWVEI37S7AYUI","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MQOCWVEI","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MQOCWVEI37S7AYUIIV5WMILX2Y","target":"record","payload":{"canonical_record":{"source":{"id":"1408.0139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-01T11:55:40Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"715d9c0ca2ab0bac010af8571e037767fdc99d05b40510675484df7ab435d528","abstract_canon_sha256":"ac1d40ba6afe717989b085a9d76e3173963d430d25006d97468f052cc64cbd73"},"schema_version":"1.0"},"canonical_sha256":"641c2b5488dfe5f06288457b662177d6027f3f108cf3a9965b01a1b151c0b438","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:26.351895Z","signature_b64":"IvD984px0DbIHPuL7BxQIhNgwGV2RhkEpdbBXy0ALPbk5RI1AcZvMejz3/Z71rRNvZsxRAMJf6fZQ2qOPv4xDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"641c2b5488dfe5f06288457b662177d6027f3f108cf3a9965b01a1b151c0b438","last_reissued_at":"2026-05-18T01:42:26.351361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:26.351361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.0139","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":"2026-05-18T01:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4b6k6pkuW+oLAyU+shlbR3dvLKKQAU+DJJyCjsnwv7ZkhtFNfehXLNsnYP+4ZcwHGJqNXl96GrLI7spOj18iCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:18:53.289972Z"},"content_sha256":"abf113b1ace2e2238bc8936c054e14b4442d33a615151f6565c78c96144a648b","schema_version":"1.0","event_id":"sha256:abf113b1ace2e2238bc8936c054e14b4442d33a615151f6565c78c96144a648b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MQOCWVEI37S7AYUIIV5WMILX2Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the possibility of rho-meson condensation in neutron stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Abhijit Bhattacharyya, Ritam Mallick, Stefan Schramm, Veronica Dexheimer","submitted_at":"2014-08-01T11:55:40Z","abstract_excerpt":"The possibility of meson condensation in stars and in heavy-ion collisions has been discussed in the past. Here, we study whether rho meson condensation ($\\rho^{-}$) can occur in very dense matter and determine the effect of strong magnetic fields on this condensation. We find that rho meson condensates can appear in the core of the neutron star assuming a rho mass which is reduced due to in-medium effects. We find that the magnetic field has a non-negligible effect in triggering condensation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0139","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":"2026-05-18T01:42:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ZCV9pvQO3YDxoJb9S/2D0B85Q+u/2c1ey4AQcTpxPEz59JHw1L5VeTXpA1r8l+9tnhFiGuDLFxYNK/tLzV8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:18:53.290335Z"},"content_sha256":"d4959be97f9bbcbc1cd06e840409bc0d5404f2e2e1f763a387ddd64d16c3a134","schema_version":"1.0","event_id":"sha256:d4959be97f9bbcbc1cd06e840409bc0d5404f2e2e1f763a387ddd64d16c3a134"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/bundle.json","state_url":"https://pith.science/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/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":"2026-05-20T16:18:53Z","links":{"resolver":"https://pith.science/pith/MQOCWVEI37S7AYUIIV5WMILX2Y","bundle":"https://pith.science/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/bundle.json","state":"https://pith.science/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQOCWVEI37S7AYUIIV5WMILX2Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MQOCWVEI37S7AYUIIV5WMILX2Y","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":"ac1d40ba6afe717989b085a9d76e3173963d430d25006d97468f052cc64cbd73","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-01T11:55:40Z","title_canon_sha256":"715d9c0ca2ab0bac010af8571e037767fdc99d05b40510675484df7ab435d528"},"schema_version":"1.0","source":{"id":"1408.0139","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0139","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0139v1","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0139","created_at":"2026-05-18T01:42:26Z"},{"alias_kind":"pith_short_12","alias_value":"MQOCWVEI37S7","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MQOCWVEI37S7AYUI","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MQOCWVEI","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:d4959be97f9bbcbc1cd06e840409bc0d5404f2e2e1f763a387ddd64d16c3a134","target":"graph","created_at":"2026-05-18T01:42:26Z","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":"The possibility of meson condensation in stars and in heavy-ion collisions has been discussed in the past. Here, we study whether rho meson condensation ($\\rho^{-}$) can occur in very dense matter and determine the effect of strong magnetic fields on this condensation. We find that rho meson condensates can appear in the core of the neutron star assuming a rho mass which is reduced due to in-medium effects. We find that the magnetic field has a non-negligible effect in triggering condensation.","authors_text":"Abhijit Bhattacharyya, Ritam Mallick, Stefan Schramm, Veronica Dexheimer","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-01T11:55:40Z","title":"On the possibility of rho-meson condensation in neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0139","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:abf113b1ace2e2238bc8936c054e14b4442d33a615151f6565c78c96144a648b","target":"record","created_at":"2026-05-18T01:42:26Z","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":"ac1d40ba6afe717989b085a9d76e3173963d430d25006d97468f052cc64cbd73","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-01T11:55:40Z","title_canon_sha256":"715d9c0ca2ab0bac010af8571e037767fdc99d05b40510675484df7ab435d528"},"schema_version":"1.0","source":{"id":"1408.0139","kind":"arxiv","version":1}},"canonical_sha256":"641c2b5488dfe5f06288457b662177d6027f3f108cf3a9965b01a1b151c0b438","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"641c2b5488dfe5f06288457b662177d6027f3f108cf3a9965b01a1b151c0b438","first_computed_at":"2026-05-18T01:42:26.351361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:26.351361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IvD984px0DbIHPuL7BxQIhNgwGV2RhkEpdbBXy0ALPbk5RI1AcZvMejz3/Z71rRNvZsxRAMJf6fZQ2qOPv4xDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:26.351895Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.0139","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abf113b1ace2e2238bc8936c054e14b4442d33a615151f6565c78c96144a648b","sha256:d4959be97f9bbcbc1cd06e840409bc0d5404f2e2e1f763a387ddd64d16c3a134"],"state_sha256":"1dbbe6f8511f94f4fd9a0cf251fc620b7902012a8ce1257ff2aafe8584817129"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JCdQbzzhOwXjVA7fjCNAqAz4nF/FXUa+Qslu3zgrYRM2vR7uAoKTSw4N4JcTFmwaQwab5EqI3NTtm2krQZpZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T16:18:53.292240Z","bundle_sha256":"8558a2c58b15bc45cf141a3d4eb18973240fb20d595628c96eef0b62005aedcf"}}