{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:F5I7NMI6WCSBL2YGPW4BMNIIIR","short_pith_number":"pith:F5I7NMI6","canonical_record":{"source":{"id":"2605.14977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-14T15:41:53Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"9118939ade08990c74f5a24057cf6c72386dc46aa12f47453dba96ba11ef55af","abstract_canon_sha256":"b18a573a944fa8e76e8dff6e5f56e16330cf2e59089f89ae5d3e1c774a1d91bd"},"schema_version":"1.0"},"canonical_sha256":"2f51f6b11eb0a415eb067db81635084447df49851676d651e4245ed4f315c982","source":{"kind":"arxiv","id":"2605.14977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14977","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14977v1","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14977","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"F5I7NMI6WCSB","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"F5I7NMI6WCSBL2YG","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"F5I7NMI6","created_at":"2026-05-18T12:33:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:F5I7NMI6WCSBL2YGPW4BMNIIIR","target":"record","payload":{"canonical_record":{"source":{"id":"2605.14977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-14T15:41:53Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"9118939ade08990c74f5a24057cf6c72386dc46aa12f47453dba96ba11ef55af","abstract_canon_sha256":"b18a573a944fa8e76e8dff6e5f56e16330cf2e59089f89ae5d3e1c774a1d91bd"},"schema_version":"1.0"},"canonical_sha256":"2f51f6b11eb0a415eb067db81635084447df49851676d651e4245ed4f315c982","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:38:55.139179Z","signature_b64":"kxFvrvJfZm/PEnkwx5bRRSjvM9aBlqm/bsawpXkcIY3JEneY+ZYlqcGPBY+hkqMIutH5zBSD9R0RtZfSBiy0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f51f6b11eb0a415eb067db81635084447df49851676d651e4245ed4f315c982","last_reissued_at":"2026-05-17T23:38:55.138576Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:38:55.138576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.14977","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":"2026-05-17T23:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"viGgICpgFO4xdbwsQkPIfEfYOLGYzF7Yomny2nJPxZnknXo6PoKz4Zr+NsUB4KF4VBweUPeuLxxg3klYNfJiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:11:37.262153Z"},"content_sha256":"747b1f13fcd8d34b0f06f7d333d4efaf209ef531863a6bb585f97c5a2986e576","schema_version":"1.0","event_id":"sha256:747b1f13fcd8d34b0f06f7d333d4efaf209ef531863a6bb585f97c5a2986e576"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:F5I7NMI6WCSBL2YGPW4BMNIIIR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unified dark sector and Hubble-tension alleviation in scalar-vector-tensor gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Ahmad Sheykhi, Amir A. Khodahami, Emmanuel N. Saridakis, Jackson Levi Said, Kimet Jusufi","submitted_at":"2026-05-14T15:41:53Z","abstract_excerpt":"We investigate a scalar-vector-tensor theory in which matter is minimally coupled to a Jordan-frame metric, while a massive vector sector interacts with the baryonic current. We show that the conformal scalar coupling modifies the physical expansion rate measured by matter observers, leading to a late-time enhancement of the effective Hubble constant. By constructing a phenomenological scalar evolution that becomes relevant only at low redshifts, the model provides a purely late-time mechanism for alleviating the Hubble tension without significantly affecting early-universe cosmology. The scal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.14977","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":"2026-05-17T23:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IUKBaifVDXzVpxS6FRt4Ob9BTw7PLHXIjVMysGsqbv0798oxxyz3iWYUMw1tAe8tRghWCl+P7lbuAnutqOp3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:11:37.262511Z"},"content_sha256":"ac4f2b16279241e0ad4538a890594533a79f2c97ae968e5f82af715e65a7a845","schema_version":"1.0","event_id":"sha256:ac4f2b16279241e0ad4538a890594533a79f2c97ae968e5f82af715e65a7a845"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/bundle.json","state_url":"https://pith.science/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/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":"2026-05-30T10:11:37Z","links":{"resolver":"https://pith.science/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR","bundle":"https://pith.science/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/bundle.json","state":"https://pith.science/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F5I7NMI6WCSBL2YGPW4BMNIIIR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:F5I7NMI6WCSBL2YGPW4BMNIIIR","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":"b18a573a944fa8e76e8dff6e5f56e16330cf2e59089f89ae5d3e1c774a1d91bd","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-14T15:41:53Z","title_canon_sha256":"9118939ade08990c74f5a24057cf6c72386dc46aa12f47453dba96ba11ef55af"},"schema_version":"1.0","source":{"id":"2605.14977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14977","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14977v1","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14977","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"F5I7NMI6WCSB","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"F5I7NMI6WCSBL2YG","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"F5I7NMI6","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:ac4f2b16279241e0ad4538a890594533a79f2c97ae968e5f82af715e65a7a845","target":"graph","created_at":"2026-05-17T23:38:55Z","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 investigate a scalar-vector-tensor theory in which matter is minimally coupled to a Jordan-frame metric, while a massive vector sector interacts with the baryonic current. We show that the conformal scalar coupling modifies the physical expansion rate measured by matter observers, leading to a late-time enhancement of the effective Hubble constant. By constructing a phenomenological scalar evolution that becomes relevant only at low redshifts, the model provides a purely late-time mechanism for alleviating the Hubble tension without significantly affecting early-universe cosmology. The scal","authors_text":"Ahmad Sheykhi, Amir A. Khodahami, Emmanuel N. Saridakis, Jackson Levi Said, Kimet Jusufi","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-14T15:41:53Z","title":"Unified dark sector and Hubble-tension alleviation in scalar-vector-tensor gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.14977","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":"sha256:747b1f13fcd8d34b0f06f7d333d4efaf209ef531863a6bb585f97c5a2986e576","target":"record","created_at":"2026-05-17T23:38:55Z","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":"b18a573a944fa8e76e8dff6e5f56e16330cf2e59089f89ae5d3e1c774a1d91bd","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-14T15:41:53Z","title_canon_sha256":"9118939ade08990c74f5a24057cf6c72386dc46aa12f47453dba96ba11ef55af"},"schema_version":"1.0","source":{"id":"2605.14977","kind":"arxiv","version":1}},"canonical_sha256":"2f51f6b11eb0a415eb067db81635084447df49851676d651e4245ed4f315c982","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f51f6b11eb0a415eb067db81635084447df49851676d651e4245ed4f315c982","first_computed_at":"2026-05-17T23:38:55.138576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:55.138576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kxFvrvJfZm/PEnkwx5bRRSjvM9aBlqm/bsawpXkcIY3JEneY+ZYlqcGPBY+hkqMIutH5zBSD9R0RtZfSBiy0Bw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:55.139179Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.14977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:747b1f13fcd8d34b0f06f7d333d4efaf209ef531863a6bb585f97c5a2986e576","sha256:ac4f2b16279241e0ad4538a890594533a79f2c97ae968e5f82af715e65a7a845"],"state_sha256":"0e8d97268d49ad4391a3c7bff1b0ba5a10f91baf67f32d715b10e1567841b8a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y0EDknAiOy8FT8M3d99EEmHjb8U2ontB5CAPCiaFR5moDGWFiXfKXlYRmaANqCMw5dy8W/Pib9ysP1yHOeYADg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T10:11:37.264463Z","bundle_sha256":"c83f78548fbf7455a5d1adf6bd79e35c72a38fe6774793dc7de116bae8fd861d"}}