{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:JLO263KZIKPGUK54SRGDQ74YZL","short_pith_number":"pith:JLO263KZ","schema_version":"1.0","canonical_sha256":"4addaf6d59429e6a2bbc944c387f98cadfe1a9ba77dd2755db62a0df46cb96ba","source":{"kind":"arxiv","id":"1201.2120","version":2},"attestation_state":"computed","paper":{"title":"Spinors and Twistors in Loop Gravity and Spin Foams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Johannes Tambornino, Maite Dupuis, Simone Speziale","submitted_at":"2012-01-10T17:24:18Z","abstract_excerpt":"Spinorial tools have recently come back to fashion in loop gravity and spin foams. They provide an elegant tool relating the standard holonomy-flux algebra to the twisted geometry picture of the classical phase space on a fixed graph, and to twistors. In these lectures we provide a brief and technical introduction to the formalism and some of its applications."},"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":"1201.2120","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-10T17:24:18Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"09737ebb6bdaf01e960efb62851c1767a10e5f0020407b2d722b8c1d76025d8d","abstract_canon_sha256":"7b81d6d3f1a396b4b940b3affa696c7816a27b77433c640f9837e0d52a1f296e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:52.913674Z","signature_b64":"fBXdWg9O7s4JbKyHXYjBgU78upoxSdpdOCMwFxxdw0DS3r/RWNcai+1fT0MiUwix7GZi6cOeW6pT7KApwUvVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4addaf6d59429e6a2bbc944c387f98cadfe1a9ba77dd2755db62a0df46cb96ba","last_reissued_at":"2026-05-18T03:57:52.912946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:52.912946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spinors and Twistors in Loop Gravity and Spin Foams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Johannes Tambornino, Maite Dupuis, Simone Speziale","submitted_at":"2012-01-10T17:24:18Z","abstract_excerpt":"Spinorial tools have recently come back to fashion in loop gravity and spin foams. They provide an elegant tool relating the standard holonomy-flux algebra to the twisted geometry picture of the classical phase space on a fixed graph, and to twistors. In these lectures we provide a brief and technical introduction to the formalism and some of its applications."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2120","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":""},"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":"1201.2120","created_at":"2026-05-18T03:57:52.913057+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.2120v2","created_at":"2026-05-18T03:57:52.913057+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2120","created_at":"2026-05-18T03:57:52.913057+00:00"},{"alias_kind":"pith_short_12","alias_value":"JLO263KZIKPG","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"JLO263KZIKPGUK54","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"JLO263KZ","created_at":"2026-05-18T12:27:11.947152+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.06572","citing_title":"Area bounds and gauge fixing: alternative canonical variables for loop gravity","ref_index":13,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL","json":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL.json","graph_json":"https://pith.science/api/pith-number/JLO263KZIKPGUK54SRGDQ74YZL/graph.json","events_json":"https://pith.science/api/pith-number/JLO263KZIKPGUK54SRGDQ74YZL/events.json","paper":"https://pith.science/paper/JLO263KZ"},"agent_actions":{"view_html":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL","download_json":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL.json","view_paper":"https://pith.science/paper/JLO263KZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.2120&json=true","fetch_graph":"https://pith.science/api/pith-number/JLO263KZIKPGUK54SRGDQ74YZL/graph.json","fetch_events":"https://pith.science/api/pith-number/JLO263KZIKPGUK54SRGDQ74YZL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL/action/storage_attestation","attest_author":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL/action/author_attestation","sign_citation":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL/action/citation_signature","submit_replication":"https://pith.science/pith/JLO263KZIKPGUK54SRGDQ74YZL/action/replication_record"}},"created_at":"2026-05-18T03:57:52.913057+00:00","updated_at":"2026-05-18T03:57:52.913057+00:00"}