{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:QDUGOYVVJZYO7H22UEUJFMJ4T2","short_pith_number":"pith:QDUGOYVV","schema_version":"1.0","canonical_sha256":"80e86762b54e70ef9f5aa12892b13c9eaa2a12744d37583a8d3ed4d24cf3fe76","source":{"kind":"arxiv","id":"1104.3683","version":2},"attestation_state":"computed","paper":{"title":"Holomorphic Simplicity Constraints for 4d Spinfoam Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Etera R. Livine, Mait\\'e Dupuis","submitted_at":"2011-04-19T09:06:03Z","abstract_excerpt":"Within the framework of spinfoam models, we revisit the simplicity constraints reducing topological BF theory to 4d Riemannian gravity. We use the reformulation of SU(2) intertwiners and spin networks in term of spinors, which has come out from both the recently developed U(N) framework for SU(2) intertwiners and the twisted geometry approach to spin networks and spinfoam boundary states. Using these tools, we are able to perform a holomorphic/anti-holomorphic splitting of the simplicity constraints and define a new set of holomorphic simplicity constraints, which are equivalent to the standar"},"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":"1104.3683","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-19T09:06:03Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"8c0b5a58d7cc1a91187512a0691be2aca0da308a5a98e48993c368ac449c0e14","abstract_canon_sha256":"b1e42fbb65868a2f17cac877bdcd47b3c6e4603d0f372cc81b5b7d54f23bdf74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:22.930378Z","signature_b64":"teyxRCT4BcMTV8tURB5TTkFzwvq1tU0rTWQme5zMxCyIgk0cNUUSLlTPl9Hrl24VUtNCUzMFGLE7Od7wqaSYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80e86762b54e70ef9f5aa12892b13c9eaa2a12744d37583a8d3ed4d24cf3fe76","last_reissued_at":"2026-05-18T02:02:22.929600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:22.929600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Holomorphic Simplicity Constraints for 4d Spinfoam Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Etera R. Livine, Mait\\'e Dupuis","submitted_at":"2011-04-19T09:06:03Z","abstract_excerpt":"Within the framework of spinfoam models, we revisit the simplicity constraints reducing topological BF theory to 4d Riemannian gravity. We use the reformulation of SU(2) intertwiners and spin networks in term of spinors, which has come out from both the recently developed U(N) framework for SU(2) intertwiners and the twisted geometry approach to spin networks and spinfoam boundary states. Using these tools, we are able to perform a holomorphic/anti-holomorphic splitting of the simplicity constraints and define a new set of holomorphic simplicity constraints, which are equivalent to the standar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.3683","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":"1104.3683","created_at":"2026-05-18T02:02:22.929717+00:00"},{"alias_kind":"arxiv_version","alias_value":"1104.3683v2","created_at":"2026-05-18T02:02:22.929717+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.3683","created_at":"2026-05-18T02:02:22.929717+00:00"},{"alias_kind":"pith_short_12","alias_value":"QDUGOYVVJZYO","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"QDUGOYVVJZYO7H22","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"QDUGOYVV","created_at":"2026-05-18T12:26:39.201973+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":26,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2","json":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2.json","graph_json":"https://pith.science/api/pith-number/QDUGOYVVJZYO7H22UEUJFMJ4T2/graph.json","events_json":"https://pith.science/api/pith-number/QDUGOYVVJZYO7H22UEUJFMJ4T2/events.json","paper":"https://pith.science/paper/QDUGOYVV"},"agent_actions":{"view_html":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2","download_json":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2.json","view_paper":"https://pith.science/paper/QDUGOYVV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1104.3683&json=true","fetch_graph":"https://pith.science/api/pith-number/QDUGOYVVJZYO7H22UEUJFMJ4T2/graph.json","fetch_events":"https://pith.science/api/pith-number/QDUGOYVVJZYO7H22UEUJFMJ4T2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2/action/storage_attestation","attest_author":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2/action/author_attestation","sign_citation":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2/action/citation_signature","submit_replication":"https://pith.science/pith/QDUGOYVVJZYO7H22UEUJFMJ4T2/action/replication_record"}},"created_at":"2026-05-18T02:02:22.929717+00:00","updated_at":"2026-05-18T02:02:22.929717+00:00"}