{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:M7B7Z3H7WLLNFAFNSWB4LECINX","short_pith_number":"pith:M7B7Z3H7","schema_version":"1.0","canonical_sha256":"67c3fcecffb2d6d280ad9583c590486ddcbe7cabc8cb9c1cfe5f5e908bba0448","source":{"kind":"arxiv","id":"0907.0846","version":3},"attestation_state":"computed","paper":{"title":"Entropy of Isolated Horizons revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Parthasarathi Majumdar, Romesh K. Kaul, Rudranil Basu","submitted_at":"2009-07-05T11:09:12Z","abstract_excerpt":"The decade-old formulation of the isolated horizon classically and within loop quantum gravity, and the extraction of the microcanonical entropy of such a horizon from this formulation, is reviewed, in view of recent renewed interest. There are two main approaches to this problem: one employs an SU(2) Chern-Simons theory describing the isolated horizon degrees of freedom, while the other uses a reduced U(1) Chern-Simons theory obtained from the SU(2) theory, with appropriate constraints imposed on the spectrum of boundary states `living' on the horizon. It is shown that both these ways lead to"},"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":"0907.0846","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-07-05T11:09:12Z","cross_cats_sorted":[],"title_canon_sha256":"2345b863fd419dbd4d2a81c1fa8420ae56d1c49445dbc2b6916d910a4c654fa3","abstract_canon_sha256":"735516d377c8ff20830d64c6d143132d6a35e76656870128ea5901ec3703f361"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:39.083378Z","signature_b64":"Bav7ixQRAuceMLQFf7MFh33sRab2Y9tClBf0EMOG3wm7IZ/JVMh5NMmljVHupz08T7jZ3XYEi+FHbrKUOJ0NCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67c3fcecffb2d6d280ad9583c590486ddcbe7cabc8cb9c1cfe5f5e908bba0448","last_reissued_at":"2026-05-18T02:34:39.082946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:39.082946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entropy of Isolated Horizons revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Parthasarathi Majumdar, Romesh K. Kaul, Rudranil Basu","submitted_at":"2009-07-05T11:09:12Z","abstract_excerpt":"The decade-old formulation of the isolated horizon classically and within loop quantum gravity, and the extraction of the microcanonical entropy of such a horizon from this formulation, is reviewed, in view of recent renewed interest. There are two main approaches to this problem: one employs an SU(2) Chern-Simons theory describing the isolated horizon degrees of freedom, while the other uses a reduced U(1) Chern-Simons theory obtained from the SU(2) theory, with appropriate constraints imposed on the spectrum of boundary states `living' on the horizon. It is shown that both these ways lead to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0846","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0907.0846","created_at":"2026-05-18T02:34:39.083014+00:00"},{"alias_kind":"arxiv_version","alias_value":"0907.0846v3","created_at":"2026-05-18T02:34:39.083014+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.0846","created_at":"2026-05-18T02:34:39.083014+00:00"},{"alias_kind":"pith_short_12","alias_value":"M7B7Z3H7WLLN","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"M7B7Z3H7WLLNFAFN","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"M7B7Z3H7","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX","json":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX.json","graph_json":"https://pith.science/api/pith-number/M7B7Z3H7WLLNFAFNSWB4LECINX/graph.json","events_json":"https://pith.science/api/pith-number/M7B7Z3H7WLLNFAFNSWB4LECINX/events.json","paper":"https://pith.science/paper/M7B7Z3H7"},"agent_actions":{"view_html":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX","download_json":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX.json","view_paper":"https://pith.science/paper/M7B7Z3H7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0907.0846&json=true","fetch_graph":"https://pith.science/api/pith-number/M7B7Z3H7WLLNFAFNSWB4LECINX/graph.json","fetch_events":"https://pith.science/api/pith-number/M7B7Z3H7WLLNFAFNSWB4LECINX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX/action/storage_attestation","attest_author":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX/action/author_attestation","sign_citation":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX/action/citation_signature","submit_replication":"https://pith.science/pith/M7B7Z3H7WLLNFAFNSWB4LECINX/action/replication_record"}},"created_at":"2026-05-18T02:34:39.083014+00:00","updated_at":"2026-05-18T02:34:39.083014+00:00"}