{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QA4IO7CXLEZN6SY7S2FE36QJMW","short_pith_number":"pith:QA4IO7CX","canonical_record":{"source":{"id":"1703.01156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-03T13:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"b85f7c5facf386855dbb77d886015810f21690f518504e6347bc7ba60e9e9079","abstract_canon_sha256":"8f57c6a06981180058e317c5e8002a10288932479e4ab7c7173462fa8b2fb2c0"},"schema_version":"1.0"},"canonical_sha256":"8038877c575932df4b1f968a4dfa0965a205f5fbe92e0ee44e8130cfce413359","source":{"kind":"arxiv","id":"1703.01156","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01156","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01156v1","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01156","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"pith_short_12","alias_value":"QA4IO7CXLEZN","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QA4IO7CXLEZN6SY7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QA4IO7CX","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QA4IO7CXLEZN6SY7S2FE36QJMW","target":"record","payload":{"canonical_record":{"source":{"id":"1703.01156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-03T13:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"b85f7c5facf386855dbb77d886015810f21690f518504e6347bc7ba60e9e9079","abstract_canon_sha256":"8f57c6a06981180058e317c5e8002a10288932479e4ab7c7173462fa8b2fb2c0"},"schema_version":"1.0"},"canonical_sha256":"8038877c575932df4b1f968a4dfa0965a205f5fbe92e0ee44e8130cfce413359","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:24.661654Z","signature_b64":"DC1Q1Yn4zz3UgLn9DjqP+chtlgUq1CKaq+RofKKKa+DUNqvf08sQ9e1grtPcI0Bbgx2XOXpHW/eIHoXs2MFDDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8038877c575932df4b1f968a4dfa0965a205f5fbe92e0ee44e8130cfce413359","last_reissued_at":"2026-05-18T00:41:24.660915Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:24.660915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.01156","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":"2026-05-18T00:41:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vZBBIai3Zd7t0ow3XFyNAp97yfttNsWlUN00sfq+upGn/3xnDVtI0d4uXYMktPKVlBp8TS+ZTXe64JYAuMF2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:12:15.789066Z"},"content_sha256":"b94cd016399a98f7927d34d70fb45f04fd270bd6ed14fb5d0090015b0c481e57","schema_version":"1.0","event_id":"sha256:b94cd016399a98f7927d34d70fb45f04fd270bd6ed14fb5d0090015b0c481e57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QA4IO7CXLEZN6SY7S2FE36QJMW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Surface and Intertwiner Dynamics in Loop Quantum Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alexandre Feller, Etera R. Livine","submitted_at":"2017-03-03T13:40:01Z","abstract_excerpt":"We introduce simple generic models of surface dynamics in loop quantum gravity (LQG). A quantum surface is defined as a set of elementary patches of area glued together. We provide it with an extra structure of locality (nearest neighbors), thought of as induced by the whole spin network state defining the 3d bulk geometry around the quantum surface. Here, we focus on classical surface dynamics, using a spinorial description of surface degrees of freedom. We introduce two classes of dynamics, to be thought as templates for future investigation of LQG dynamics with in mind the dynamics of quant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01156","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":"2026-05-18T00:41:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a16l29b90RXi9+fdhxSObcrhtgJRXjFhWgPBn7jCPsGkdej93nEOztZr4Aoy2YK136mEJNoXAmylPzbdtsJFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:12:15.789428Z"},"content_sha256":"0bdf92571b5822d972dfce544cf190e4eb5e80b84833c288a2ba1bb41498b967","schema_version":"1.0","event_id":"sha256:0bdf92571b5822d972dfce544cf190e4eb5e80b84833c288a2ba1bb41498b967"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/bundle.json","state_url":"https://pith.science/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/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":"2026-06-12T09:12:15Z","links":{"resolver":"https://pith.science/pith/QA4IO7CXLEZN6SY7S2FE36QJMW","bundle":"https://pith.science/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/bundle.json","state":"https://pith.science/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QA4IO7CXLEZN6SY7S2FE36QJMW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QA4IO7CXLEZN6SY7S2FE36QJMW","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":"8f57c6a06981180058e317c5e8002a10288932479e4ab7c7173462fa8b2fb2c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-03T13:40:01Z","title_canon_sha256":"b85f7c5facf386855dbb77d886015810f21690f518504e6347bc7ba60e9e9079"},"schema_version":"1.0","source":{"id":"1703.01156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01156","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01156v1","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01156","created_at":"2026-05-18T00:41:24Z"},{"alias_kind":"pith_short_12","alias_value":"QA4IO7CXLEZN","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QA4IO7CXLEZN6SY7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QA4IO7CX","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:0bdf92571b5822d972dfce544cf190e4eb5e80b84833c288a2ba1bb41498b967","target":"graph","created_at":"2026-05-18T00:41:24Z","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 introduce simple generic models of surface dynamics in loop quantum gravity (LQG). A quantum surface is defined as a set of elementary patches of area glued together. We provide it with an extra structure of locality (nearest neighbors), thought of as induced by the whole spin network state defining the 3d bulk geometry around the quantum surface. Here, we focus on classical surface dynamics, using a spinorial description of surface degrees of freedom. We introduce two classes of dynamics, to be thought as templates for future investigation of LQG dynamics with in mind the dynamics of quant","authors_text":"Alexandre Feller, Etera R. Livine","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-03T13:40:01Z","title":"Quantum Surface and Intertwiner Dynamics in Loop Quantum Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01156","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:b94cd016399a98f7927d34d70fb45f04fd270bd6ed14fb5d0090015b0c481e57","target":"record","created_at":"2026-05-18T00:41:24Z","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":"8f57c6a06981180058e317c5e8002a10288932479e4ab7c7173462fa8b2fb2c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-03T13:40:01Z","title_canon_sha256":"b85f7c5facf386855dbb77d886015810f21690f518504e6347bc7ba60e9e9079"},"schema_version":"1.0","source":{"id":"1703.01156","kind":"arxiv","version":1}},"canonical_sha256":"8038877c575932df4b1f968a4dfa0965a205f5fbe92e0ee44e8130cfce413359","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8038877c575932df4b1f968a4dfa0965a205f5fbe92e0ee44e8130cfce413359","first_computed_at":"2026-05-18T00:41:24.660915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:24.660915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DC1Q1Yn4zz3UgLn9DjqP+chtlgUq1CKaq+RofKKKa+DUNqvf08sQ9e1grtPcI0Bbgx2XOXpHW/eIHoXs2MFDDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:24.661654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.01156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b94cd016399a98f7927d34d70fb45f04fd270bd6ed14fb5d0090015b0c481e57","sha256:0bdf92571b5822d972dfce544cf190e4eb5e80b84833c288a2ba1bb41498b967"],"state_sha256":"3aa3db82f205e7b346462d92c0b6e197c9c158aebbbf52617e130dd5b1e2dd3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TKO2dvc0x5qyJ4JinrSrU9WBaS6p+6KQZ+CV4IwhusqCsWLcLBHl21VhepEjXzH911AKE4rfe1nWye5DjjntBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T09:12:15.791472Z","bundle_sha256":"fbc5a14794b714950fe6e05153d96c07e5240230c7dc07888a8f517c60a4720e"}}