{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:AZ7TC4JL3M556DPOYA75EAA67D","short_pith_number":"pith:AZ7TC4JL","canonical_record":{"source":{"id":"2211.02661","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-11-04T18:00:00Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"d768feab1852e62d3d69c7405f4e367f9ad8eb3c38f12248b4baa137cfca8e7d","abstract_canon_sha256":"0c5d82cd098333e42068f3f9416cad9e873ea2f20b8a510e75e285678c5f387b"},"schema_version":"1.0"},"canonical_sha256":"067f31712bdb3bdf0deec03fd2001ef8d401eeb2f8a668e02f458fe4a07181dc","source":{"kind":"arxiv","id":"2211.02661","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02661","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02661v2","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02661","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"AZ7TC4JL3M55","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_16","alias_value":"AZ7TC4JL3M556DPO","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_8","alias_value":"AZ7TC4JL","created_at":"2026-07-05T08:22:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:AZ7TC4JL3M556DPOYA75EAA67D","target":"record","payload":{"canonical_record":{"source":{"id":"2211.02661","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-11-04T18:00:00Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"d768feab1852e62d3d69c7405f4e367f9ad8eb3c38f12248b4baa137cfca8e7d","abstract_canon_sha256":"0c5d82cd098333e42068f3f9416cad9e873ea2f20b8a510e75e285678c5f387b"},"schema_version":"1.0"},"canonical_sha256":"067f31712bdb3bdf0deec03fd2001ef8d401eeb2f8a668e02f458fe4a07181dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:22:30.390482Z","signature_b64":"8pIQQdpDaRm3XHr4fStiwXJIfH+ShUsJHfAmv3qs4NHUdrzExUWiJyU2wP61muYlXZg3cXHj1iA1X3vhVBr6BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"067f31712bdb3bdf0deec03fd2001ef8d401eeb2f8a668e02f458fe4a07181dc","last_reissued_at":"2026-07-05T08:22:30.390022Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:22:30.390022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.02661","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":"2026-07-05T08:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pLPqFKoBt1Gh/w26AausXoWIQ9SK3BjeCXYLl6Zlxf0dCtEM1+xVWAxNMkEJH+dlR+kin9Cc2UYm2J5xkIsiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T06:58:59.644447Z"},"content_sha256":"7cd52d12d60061c2acfbc8cabe1a1383782eac925863742d95419b10cb3ee4e7","schema_version":"1.0","event_id":"sha256:7cd52d12d60061c2acfbc8cabe1a1383782eac925863742d95419b10cb3ee4e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:AZ7TC4JL3M556DPOYA75EAA67D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"White dwarfs as a probe of exceptionally light QCD axions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR"],"primary_cat":"hep-ph","authors_text":"Andreas Weiler, Javi Serra, Konstantin Springmann, Reuven Balkin, Stefan Stelzl","submitted_at":"2022-11-04T18:00:00Z","abstract_excerpt":"We study the effects of exceptionally light QCD axions on the stellar configuration of white dwarfs. At finite baryon density, the non-derivative coupling of the axion to nucleons displaces the axion from its in-vacuum minimum which implies a reduction of the nucleon mass. This dramatically alters the composition of stellar remnants. In particular, the modifications of the mass-radius relationship of white dwarfs allow us to probe large regions of unexplored parameter space without requiring that axions are dark matter."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02661","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.02661/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7RMWEil04l1E5o02XLma6R0hB5s9wHKBQPGy4zJFBX0P63Ze4/FGkQJ14cDRrOa+wHqaE596aDyV9LRxj6vpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T06:58:59.645059Z"},"content_sha256":"8d10d1ae0b38130d31c7be187469d357c0c9d6d9d72e4a38491e9bd37506c90f","schema_version":"1.0","event_id":"sha256:8d10d1ae0b38130d31c7be187469d357c0c9d6d9d72e4a38491e9bd37506c90f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZ7TC4JL3M556DPOYA75EAA67D/bundle.json","state_url":"https://pith.science/pith/AZ7TC4JL3M556DPOYA75EAA67D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZ7TC4JL3M556DPOYA75EAA67D/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":"2026-08-19T06:58:59Z","links":{"resolver":"https://pith.science/pith/AZ7TC4JL3M556DPOYA75EAA67D","bundle":"https://pith.science/pith/AZ7TC4JL3M556DPOYA75EAA67D/bundle.json","state":"https://pith.science/pith/AZ7TC4JL3M556DPOYA75EAA67D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZ7TC4JL3M556DPOYA75EAA67D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:AZ7TC4JL3M556DPOYA75EAA67D","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":"0c5d82cd098333e42068f3f9416cad9e873ea2f20b8a510e75e285678c5f387b","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-11-04T18:00:00Z","title_canon_sha256":"d768feab1852e62d3d69c7405f4e367f9ad8eb3c38f12248b4baa137cfca8e7d"},"schema_version":"1.0","source":{"id":"2211.02661","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02661","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02661v2","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02661","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"AZ7TC4JL3M55","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_16","alias_value":"AZ7TC4JL3M556DPO","created_at":"2026-07-05T08:22:30Z"},{"alias_kind":"pith_short_8","alias_value":"AZ7TC4JL","created_at":"2026-07-05T08:22:30Z"}],"graph_snapshots":[{"event_id":"sha256:8d10d1ae0b38130d31c7be187469d357c0c9d6d9d72e4a38491e9bd37506c90f","target":"graph","created_at":"2026-07-05T08:22:30Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2211.02661/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the effects of exceptionally light QCD axions on the stellar configuration of white dwarfs. At finite baryon density, the non-derivative coupling of the axion to nucleons displaces the axion from its in-vacuum minimum which implies a reduction of the nucleon mass. This dramatically alters the composition of stellar remnants. In particular, the modifications of the mass-radius relationship of white dwarfs allow us to probe large regions of unexplored parameter space without requiring that axions are dark matter.","authors_text":"Andreas Weiler, Javi Serra, Konstantin Springmann, Reuven Balkin, Stefan Stelzl","cross_cats":["astro-ph.HE","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-11-04T18:00:00Z","title":"White dwarfs as a probe of exceptionally light QCD axions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02661","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":"sha256:7cd52d12d60061c2acfbc8cabe1a1383782eac925863742d95419b10cb3ee4e7","target":"record","created_at":"2026-07-05T08:22:30Z","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":"0c5d82cd098333e42068f3f9416cad9e873ea2f20b8a510e75e285678c5f387b","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-11-04T18:00:00Z","title_canon_sha256":"d768feab1852e62d3d69c7405f4e367f9ad8eb3c38f12248b4baa137cfca8e7d"},"schema_version":"1.0","source":{"id":"2211.02661","kind":"arxiv","version":2}},"canonical_sha256":"067f31712bdb3bdf0deec03fd2001ef8d401eeb2f8a668e02f458fe4a07181dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"067f31712bdb3bdf0deec03fd2001ef8d401eeb2f8a668e02f458fe4a07181dc","first_computed_at":"2026-07-05T08:22:30.390022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:22:30.390022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8pIQQdpDaRm3XHr4fStiwXJIfH+ShUsJHfAmv3qs4NHUdrzExUWiJyU2wP61muYlXZg3cXHj1iA1X3vhVBr6BA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:22:30.390482Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.02661","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cd52d12d60061c2acfbc8cabe1a1383782eac925863742d95419b10cb3ee4e7","sha256:8d10d1ae0b38130d31c7be187469d357c0c9d6d9d72e4a38491e9bd37506c90f"],"state_sha256":"3ceb0c2316edc303ab51903be1c674e354a27235340bc21329137f06ebbe6fef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3c8+K3KsPG+a+x7zJRj34Rf3/Thu3/nobQbmaQ0YeuBrBUQ89pYWGu2nv2+BPLrBW6vh8dqYLnVa/arAP6XqAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T06:58:59.650207Z","bundle_sha256":"1c31152e4a4417d27421c3f15890fd7379c841efda3674f4ff2c69926576e65d"}}