{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TPR7JTACTUBZVMWX4W2LFVHVXW","short_pith_number":"pith:TPR7JTAC","canonical_record":{"source":{"id":"1802.06809","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-19T19:04:22Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4fc173a8501af8fd402914c55a20eb21bdf509ced1a623578620d9a4fb92802f","abstract_canon_sha256":"28693355535c51138c63566169cd85b09659e99d4caa959853add4440c1f8e79"},"schema_version":"1.0"},"canonical_sha256":"9be3f4cc029d039ab2d7e5b4b2d4f5bd9cbec99457b743ea611d2e5b2ba4b639","source":{"kind":"arxiv","id":"1802.06809","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06809","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06809v3","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06809","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"TPR7JTACTUBZ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TPR7JTACTUBZVMWX","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TPR7JTAC","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TPR7JTACTUBZVMWX4W2LFVHVXW","target":"record","payload":{"canonical_record":{"source":{"id":"1802.06809","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-19T19:04:22Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4fc173a8501af8fd402914c55a20eb21bdf509ced1a623578620d9a4fb92802f","abstract_canon_sha256":"28693355535c51138c63566169cd85b09659e99d4caa959853add4440c1f8e79"},"schema_version":"1.0"},"canonical_sha256":"9be3f4cc029d039ab2d7e5b4b2d4f5bd9cbec99457b743ea611d2e5b2ba4b639","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:41.964124Z","signature_b64":"dhAcXrv3o3OZABDMS1JMfYAIszATLe8ofTizqD2JxuNKlF7cVD93DZQ7GWtKR8UqUMk1rtt1oCnHr06QR5XKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9be3f4cc029d039ab2d7e5b4b2d4f5bd9cbec99457b743ea611d2e5b2ba4b639","last_reissued_at":"2026-05-17T23:58:41.963469Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:41.963469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.06809","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0lb4xERYGTJXhfLlj6a1o46HcJobe+C8MakBl84SfwiBAbG12Z5wThPo/Nkc6XnyTs/+nZv3y32ymvG4zw42Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:46:42.030748Z"},"content_sha256":"3e18420516675a152533f89076ec7d984ccd3f8bb334836cfec9c92c93fe72ff","schema_version":"1.0","event_id":"sha256:3e18420516675a152533f89076ec7d984ccd3f8bb334836cfec9c92c93fe72ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TPR7JTACTUBZVMWX4W2LFVHVXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flat holography and Carrollian fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Anastasios C. Petkou, Charles Marteau, Konstantinos Siampos, Luca Ciambelli, P. Marios Petropoulos","submitted_at":"2018-02-19T19:04:22Z","abstract_excerpt":"We show that a holographic description of four-dimensional asymptotically locally flat spacetimes is reached smoothly from the zero-cosmological-constant limit of anti-de Sitter holography. To this end, we use the derivative expansion of fluid/gravity correspondence. From the boundary perspective, the vanishing of the bulk cosmological constant appears as the zero velocity of light limit. This sets how Carrollian geometry emerges in flat holography. The new boundary data are a two-dimensional spatial surface, identified with the null infinity of the bulk Ricci-flat spacetime, accompanied with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06809","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QpPpI2hD0/iP6tfOSdRYfnEE6hdH0iZpvQcmxoOigGFY2NZ7cExYctg46YLUT6zWF9MVkjXtlFpL+F7GH6+uDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:46:42.031101Z"},"content_sha256":"f62f3a627d78fe1f8428602ddb36b87e50a77dc13d9b815987e67fafda252a43","schema_version":"1.0","event_id":"sha256:f62f3a627d78fe1f8428602ddb36b87e50a77dc13d9b815987e67fafda252a43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/bundle.json","state_url":"https://pith.science/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/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":"2026-06-04T06:46:42Z","links":{"resolver":"https://pith.science/pith/TPR7JTACTUBZVMWX4W2LFVHVXW","bundle":"https://pith.science/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/bundle.json","state":"https://pith.science/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TPR7JTACTUBZVMWX4W2LFVHVXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TPR7JTACTUBZVMWX4W2LFVHVXW","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":"28693355535c51138c63566169cd85b09659e99d4caa959853add4440c1f8e79","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-19T19:04:22Z","title_canon_sha256":"4fc173a8501af8fd402914c55a20eb21bdf509ced1a623578620d9a4fb92802f"},"schema_version":"1.0","source":{"id":"1802.06809","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06809","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06809v3","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06809","created_at":"2026-05-17T23:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"TPR7JTACTUBZ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TPR7JTACTUBZVMWX","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TPR7JTAC","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:f62f3a627d78fe1f8428602ddb36b87e50a77dc13d9b815987e67fafda252a43","target":"graph","created_at":"2026-05-17T23:58:41Z","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 show that a holographic description of four-dimensional asymptotically locally flat spacetimes is reached smoothly from the zero-cosmological-constant limit of anti-de Sitter holography. To this end, we use the derivative expansion of fluid/gravity correspondence. From the boundary perspective, the vanishing of the bulk cosmological constant appears as the zero velocity of light limit. This sets how Carrollian geometry emerges in flat holography. The new boundary data are a two-dimensional spatial surface, identified with the null infinity of the bulk Ricci-flat spacetime, accompanied with ","authors_text":"Anastasios C. Petkou, Charles Marteau, Konstantinos Siampos, Luca Ciambelli, P. Marios Petropoulos","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-19T19:04:22Z","title":"Flat holography and Carrollian fluids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06809","kind":"arxiv","version":3},"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":"sha256:3e18420516675a152533f89076ec7d984ccd3f8bb334836cfec9c92c93fe72ff","target":"record","created_at":"2026-05-17T23:58:41Z","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":"28693355535c51138c63566169cd85b09659e99d4caa959853add4440c1f8e79","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-19T19:04:22Z","title_canon_sha256":"4fc173a8501af8fd402914c55a20eb21bdf509ced1a623578620d9a4fb92802f"},"schema_version":"1.0","source":{"id":"1802.06809","kind":"arxiv","version":3}},"canonical_sha256":"9be3f4cc029d039ab2d7e5b4b2d4f5bd9cbec99457b743ea611d2e5b2ba4b639","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9be3f4cc029d039ab2d7e5b4b2d4f5bd9cbec99457b743ea611d2e5b2ba4b639","first_computed_at":"2026-05-17T23:58:41.963469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:41.963469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dhAcXrv3o3OZABDMS1JMfYAIszATLe8ofTizqD2JxuNKlF7cVD93DZQ7GWtKR8UqUMk1rtt1oCnHr06QR5XKBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:41.964124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.06809","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e18420516675a152533f89076ec7d984ccd3f8bb334836cfec9c92c93fe72ff","sha256:f62f3a627d78fe1f8428602ddb36b87e50a77dc13d9b815987e67fafda252a43"],"state_sha256":"8783956fb0672a54ba64c0ac026355c0517181e9df1575f3ed689d9772bcc096"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EHD3qOZm2r0FzrGU/b+vYEZutmxsS6fuMRoMin3Nxaw9jTmXYXx22cxwf34lnL4iCdNzDBZDKnaioTjvgt8xCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:46:42.033108Z","bundle_sha256":"c13d07ef5fded3ccd06ea1f05b4e7d2c7c7535b16263d527349feb5b729c0e36"}}