{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:JOXUJWDPPHT6TBFXBWZUMBYNH2","short_pith_number":"pith:JOXUJWDP","schema_version":"1.0","canonical_sha256":"4baf44d86f79e7e984b70db346070d3eae60955fb2b528cc1dfe4e215a07d2c8","source":{"kind":"arxiv","id":"2407.03254","version":1},"attestation_state":"computed","paper":{"title":"Null Infinity and Horizons: A New Approach to Fluxes and Charges","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Abhay Ashtekar, Simone Speziale","submitted_at":"2024-07-03T16:35:23Z","abstract_excerpt":"We introduce a Hamiltonian framework tailored to degrees of freedom (DOF) of field theories that reside in suitable 3-dimensional open regions, and then apply it to the gravitational DOF of general relativity. Specifically, these DOF now refer to open regions of null infinity, and of black hole (and cosmological) horizons representing equilibrium situations. At null infinity the new Hamiltonian framework yields the well-known BMS fluxes and charges. By contrast, all fluxes vanish identically at black hole (and cosmological) horizons just as one would physically expect. In a companion paper we "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2407.03254","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2024-07-03T16:35:23Z","cross_cats_sorted":["gr-qc","math-ph","math.MP"],"title_canon_sha256":"1ee0f6ada883689486d70fa5d50c8be9b98eae2bddacaf164e5a621e977bfff4","abstract_canon_sha256":"13f2d6154339df85577a6e78739acbfe88a551435cabda657d4727955a41d88c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:08:27.251782Z","signature_b64":"ky5ZPP+G7rfWhvcKxCKczIC8ynA/V7e1zR0vmBvS79DA0YUGDkqKCjduvyjnQIO+q1FKzkxJW33icw1feXuxAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4baf44d86f79e7e984b70db346070d3eae60955fb2b528cc1dfe4e215a07d2c8","last_reissued_at":"2026-07-05T09:08:27.251252Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:08:27.251252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Null Infinity and Horizons: A New Approach to Fluxes and Charges","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Abhay Ashtekar, Simone Speziale","submitted_at":"2024-07-03T16:35:23Z","abstract_excerpt":"We introduce a Hamiltonian framework tailored to degrees of freedom (DOF) of field theories that reside in suitable 3-dimensional open regions, and then apply it to the gravitational DOF of general relativity. Specifically, these DOF now refer to open regions of null infinity, and of black hole (and cosmological) horizons representing equilibrium situations. At null infinity the new Hamiltonian framework yields the well-known BMS fluxes and charges. By contrast, all fluxes vanish identically at black hole (and cosmological) horizons just as one would physically expect. In a companion paper we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.03254","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.03254/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2407.03254","created_at":"2026-07-05T09:08:27.251320+00:00"},{"alias_kind":"arxiv_version","alias_value":"2407.03254v1","created_at":"2026-07-05T09:08:27.251320+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.03254","created_at":"2026-07-05T09:08:27.251320+00:00"},{"alias_kind":"pith_short_12","alias_value":"JOXUJWDPPHT6","created_at":"2026-07-05T09:08:27.251320+00:00"},{"alias_kind":"pith_short_16","alias_value":"JOXUJWDPPHT6TBFX","created_at":"2026-07-05T09:08:27.251320+00:00"},{"alias_kind":"pith_short_8","alias_value":"JOXUJWDP","created_at":"2026-07-05T09:08:27.251320+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.26163","citing_title":"Large-$N$ Carrollian Thermodynamics from AdS Black-Hole Phase-Space Contractions","ref_index":83,"is_internal_anchor":false},{"citing_arxiv_id":"2606.26163","citing_title":"Large-$N$ Carrollian Thermodynamics from AdS Black-Hole Phase-Space Contractions","ref_index":84,"is_internal_anchor":false},{"citing_arxiv_id":"2605.13804","citing_title":"An algebra of proper observables at null infinity: Dirac brackets, Memory and Goldstone probes","ref_index":35,"is_internal_anchor":false},{"citing_arxiv_id":"2602.05130","citing_title":"Holographic pressure and volume for black holes","ref_index":85,"is_internal_anchor":false},{"citing_arxiv_id":"2508.01446","citing_title":"Radiation in Fluid/Gravity and the Flat Limit","ref_index":85,"is_internal_anchor":false},{"citing_arxiv_id":"2605.13804","citing_title":"An algebra of proper observables at null infinity: Dirac brackets, Memory and Goldstone probes","ref_index":31,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2","json":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2.json","graph_json":"https://pith.science/api/pith-number/JOXUJWDPPHT6TBFXBWZUMBYNH2/graph.json","events_json":"https://pith.science/api/pith-number/JOXUJWDPPHT6TBFXBWZUMBYNH2/events.json","paper":"https://pith.science/paper/JOXUJWDP"},"agent_actions":{"view_html":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2","download_json":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2.json","view_paper":"https://pith.science/paper/JOXUJWDP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2407.03254&json=true","fetch_graph":"https://pith.science/api/pith-number/JOXUJWDPPHT6TBFXBWZUMBYNH2/graph.json","fetch_events":"https://pith.science/api/pith-number/JOXUJWDPPHT6TBFXBWZUMBYNH2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2/action/storage_attestation","attest_author":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2/action/author_attestation","sign_citation":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2/action/citation_signature","submit_replication":"https://pith.science/pith/JOXUJWDPPHT6TBFXBWZUMBYNH2/action/replication_record"}},"created_at":"2026-07-05T09:08:27.251320+00:00","updated_at":"2026-07-05T09:08:27.251320+00:00"}