{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JKT2FC3I3HSCN4A4XL2PK2DZUE","short_pith_number":"pith:JKT2FC3I","canonical_record":{"source":{"id":"1505.04353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-17T05:03:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"2eb7066835ab9952cb8792826283ba8538431861cff88e89e71548f257911de1","abstract_canon_sha256":"bf62246766ae6cc0c19dcc8e7ff840894a104ea5dde773db34657fb0180291f9"},"schema_version":"1.0"},"canonical_sha256":"4aa7a28b68d9e426f01cbaf4f56879a12bf2da4ff2fe6531ea8843699d7e7b9c","source":{"kind":"arxiv","id":"1505.04353","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.04353","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"arxiv_version","alias_value":"1505.04353v1","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.04353","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"pith_short_12","alias_value":"JKT2FC3I3HSC","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JKT2FC3I3HSCN4A4","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JKT2FC3I","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JKT2FC3I3HSCN4A4XL2PK2DZUE","target":"record","payload":{"canonical_record":{"source":{"id":"1505.04353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-17T05:03:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"2eb7066835ab9952cb8792826283ba8538431861cff88e89e71548f257911de1","abstract_canon_sha256":"bf62246766ae6cc0c19dcc8e7ff840894a104ea5dde773db34657fb0180291f9"},"schema_version":"1.0"},"canonical_sha256":"4aa7a28b68d9e426f01cbaf4f56879a12bf2da4ff2fe6531ea8843699d7e7b9c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:39.067303Z","signature_b64":"p1TyeI/qM76L2UpSi1amEMObGOXmyjwUS4rRjELblbYa9W5N8aCiAeXSl1wmQO93kTB1DaGW9UQsc0xvCj6bBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4aa7a28b68d9e426f01cbaf4f56879a12bf2da4ff2fe6531ea8843699d7e7b9c","last_reissued_at":"2026-05-18T01:31:39.066763Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:39.066763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.04353","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":"2026-05-18T01:31:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2c2S26wvTxakAUH9DhJWSZ5f0lV8Wd4IHrTAhBoQ4zhIM+BP6XLrV1IGb9XQgHs4+AxiF3+R740STeyr12XBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T21:10:39.737447Z"},"content_sha256":"bd37f70d5e92b6b6c4116ee263d24eac18e7754821cafd3291a2e3b27a52abc8","schema_version":"1.0","event_id":"sha256:bd37f70d5e92b6b6c4116ee263d24eac18e7754821cafd3291a2e3b27a52abc8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JKT2FC3I3HSCN4A4XL2PK2DZUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A model for emergence of space and time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"J. Ambjorn, Y. Watabiki","submitted_at":"2015-05-17T05:03:26Z","abstract_excerpt":"We study string field theory (third quantization) of the two-dimensional model of quantum geometry called generalized CDT (\"causal dynamical triangulations\"). Like in standard non-critical string theory the so-called string field Hamiltonian of generalized CDT can be associated with W-algebra generators through the string mode expansion. This allows us to define an \"absolute\" vacuum. \"Physical\" vacua appear as coherent states created by vertex operators acting on the absolute vacuum. Each coherent state corresponds to specific values of the coupling constants of generalized CDT. The cosmologic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.04353","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":"2026-05-18T01:31:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TKtynryC/mGxP6btE8iU6XNkWghRmHJ/UpFmyynp2z95XM+QR6PkXUr6IQgmZrbs+IdQXeDSUJV+Bell5J8jBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T21:10:39.738143Z"},"content_sha256":"2475a0193938bb1cef644c52890ef979c04806d4618c16b4ba1b2b3a22e5c7ff","schema_version":"1.0","event_id":"sha256:2475a0193938bb1cef644c52890ef979c04806d4618c16b4ba1b2b3a22e5c7ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/bundle.json","state_url":"https://pith.science/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/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":"2026-05-23T21:10:39Z","links":{"resolver":"https://pith.science/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE","bundle":"https://pith.science/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/bundle.json","state":"https://pith.science/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JKT2FC3I3HSCN4A4XL2PK2DZUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JKT2FC3I3HSCN4A4XL2PK2DZUE","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":"bf62246766ae6cc0c19dcc8e7ff840894a104ea5dde773db34657fb0180291f9","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-17T05:03:26Z","title_canon_sha256":"2eb7066835ab9952cb8792826283ba8538431861cff88e89e71548f257911de1"},"schema_version":"1.0","source":{"id":"1505.04353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.04353","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"arxiv_version","alias_value":"1505.04353v1","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.04353","created_at":"2026-05-18T01:31:39Z"},{"alias_kind":"pith_short_12","alias_value":"JKT2FC3I3HSC","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JKT2FC3I3HSCN4A4","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JKT2FC3I","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:2475a0193938bb1cef644c52890ef979c04806d4618c16b4ba1b2b3a22e5c7ff","target":"graph","created_at":"2026-05-18T01:31:39Z","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 study string field theory (third quantization) of the two-dimensional model of quantum geometry called generalized CDT (\"causal dynamical triangulations\"). Like in standard non-critical string theory the so-called string field Hamiltonian of generalized CDT can be associated with W-algebra generators through the string mode expansion. This allows us to define an \"absolute\" vacuum. \"Physical\" vacua appear as coherent states created by vertex operators acting on the absolute vacuum. Each coherent state corresponds to specific values of the coupling constants of generalized CDT. The cosmologic","authors_text":"J. Ambjorn, Y. Watabiki","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-17T05:03:26Z","title":"A model for emergence of space and time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.04353","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:bd37f70d5e92b6b6c4116ee263d24eac18e7754821cafd3291a2e3b27a52abc8","target":"record","created_at":"2026-05-18T01:31:39Z","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":"bf62246766ae6cc0c19dcc8e7ff840894a104ea5dde773db34657fb0180291f9","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-17T05:03:26Z","title_canon_sha256":"2eb7066835ab9952cb8792826283ba8538431861cff88e89e71548f257911de1"},"schema_version":"1.0","source":{"id":"1505.04353","kind":"arxiv","version":1}},"canonical_sha256":"4aa7a28b68d9e426f01cbaf4f56879a12bf2da4ff2fe6531ea8843699d7e7b9c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4aa7a28b68d9e426f01cbaf4f56879a12bf2da4ff2fe6531ea8843699d7e7b9c","first_computed_at":"2026-05-18T01:31:39.066763Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:39.066763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p1TyeI/qM76L2UpSi1amEMObGOXmyjwUS4rRjELblbYa9W5N8aCiAeXSl1wmQO93kTB1DaGW9UQsc0xvCj6bBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:39.067303Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.04353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd37f70d5e92b6b6c4116ee263d24eac18e7754821cafd3291a2e3b27a52abc8","sha256:2475a0193938bb1cef644c52890ef979c04806d4618c16b4ba1b2b3a22e5c7ff"],"state_sha256":"8e2aaee34436286da13d864df4e2c3f1af662c722140bd119623421358e27eb9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JhoRHAuqvc2UgkwO/fzKNFoCwTfeVa30/tj0SYU6U6aXihwG4l1tstS/3E+kJwUACqzKIWLhiNjQSw+sCf8KDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T21:10:39.742078Z","bundle_sha256":"7f6300cf87b3082606c3aab896107318d6df797943ae12345af7b48cca7f8be5"}}