{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Q5232S3PBCCQ3A6UPMQPAPU5B2","short_pith_number":"pith:Q5232S3P","canonical_record":{"source":{"id":"1207.2509","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-10T23:00:55Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"15f69636e103d7ce48cc3e063f2d2435c1d94150db4bcf47f89b275b874868b6","abstract_canon_sha256":"320140b711cd95f5a027b4c78f9bcd8d93ecfe23be0d03f9e7f4b0e1f0b7a5fd"},"schema_version":"1.0"},"canonical_sha256":"8775bd4b6f08850d83d47b20f03e9d0ead639fd05638fb24be574bf70df2bfff","source":{"kind":"arxiv","id":"1207.2509","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2509","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2509v2","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2509","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"pith_short_12","alias_value":"Q5232S3PBCCQ","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q5232S3PBCCQ3A6U","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q5232S3P","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Q5232S3PBCCQ3A6UPMQPAPU5B2","target":"record","payload":{"canonical_record":{"source":{"id":"1207.2509","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-10T23:00:55Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"15f69636e103d7ce48cc3e063f2d2435c1d94150db4bcf47f89b275b874868b6","abstract_canon_sha256":"320140b711cd95f5a027b4c78f9bcd8d93ecfe23be0d03f9e7f4b0e1f0b7a5fd"},"schema_version":"1.0"},"canonical_sha256":"8775bd4b6f08850d83d47b20f03e9d0ead639fd05638fb24be574bf70df2bfff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:04.440226Z","signature_b64":"MO/Xh8KKYQ3rxlosUPyS1/cZPo7j9NoT+rNefzy8RSmm2e+qV/Y6WOZ5IfwcY2RmMjUelqyuR1T4CW4ggfpADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8775bd4b6f08850d83d47b20f03e9d0ead639fd05638fb24be574bf70df2bfff","last_reissued_at":"2026-05-18T03:36:04.439740Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:04.439740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.2509","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:36:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LttkodnukTy5YIu3ySeJfRviE+g0CQ9HMGgmOWpYAoAgnmVmK/B0zZCvPWkNMkbXn5CmlkUpBUleIvyDiE8aDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:18:06.370138Z"},"content_sha256":"d029035723dac386edab59d5821f46bad83b5a3dba433c24be3e03b4d8019c1a","schema_version":"1.0","event_id":"sha256:d029035723dac386edab59d5821f46bad83b5a3dba433c24be3e03b4d8019c1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Q5232S3PBCCQ3A6UPMQPAPU5B2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravity's weight on worldline fuzziness","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Giacomo Rosati, Giovanni Amelino-Camelia, Valerio Astuti","submitted_at":"2012-07-10T23:00:55Z","abstract_excerpt":"We investigate a connection between recent results in 3D quantum gravity, providing an effective noncommutative-spacetime description, and some earlier heuristic descriptions of a quantum-gravity contribution to the fuzziness of the worldlines of particles. We show that 3D-gravity-inspired spacetime noncommutativity reflects some of the features suggested by previous heuristic arguments. Most notably, gravity-induced worldline fuzziness, while irrelevantly small on terrestrial scales, could be observably large for propagation of particles over cosmological distances."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2509","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:36:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9UZrH7RfFNKwJL9Kco0DUKWZfAUMleTouYw27uZ5Jt+yrp0Axqbv5x3iruq24x/+noUusnvKMwItaG4PPlopAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:18:06.370514Z"},"content_sha256":"268c662621f421e5f70c21c8c6c7f2c1a74f7a431fc69409ceee4baeb2828968","schema_version":"1.0","event_id":"sha256:268c662621f421e5f70c21c8c6c7f2c1a74f7a431fc69409ceee4baeb2828968"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/bundle.json","state_url":"https://pith.science/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/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":"2026-06-03T17:18:06Z","links":{"resolver":"https://pith.science/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2","bundle":"https://pith.science/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/bundle.json","state":"https://pith.science/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5232S3PBCCQ3A6UPMQPAPU5B2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q5232S3PBCCQ3A6UPMQPAPU5B2","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":"320140b711cd95f5a027b4c78f9bcd8d93ecfe23be0d03f9e7f4b0e1f0b7a5fd","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-10T23:00:55Z","title_canon_sha256":"15f69636e103d7ce48cc3e063f2d2435c1d94150db4bcf47f89b275b874868b6"},"schema_version":"1.0","source":{"id":"1207.2509","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2509","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2509v2","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2509","created_at":"2026-05-18T03:36:04Z"},{"alias_kind":"pith_short_12","alias_value":"Q5232S3PBCCQ","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q5232S3PBCCQ3A6U","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q5232S3P","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:268c662621f421e5f70c21c8c6c7f2c1a74f7a431fc69409ceee4baeb2828968","target":"graph","created_at":"2026-05-18T03:36:04Z","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 investigate a connection between recent results in 3D quantum gravity, providing an effective noncommutative-spacetime description, and some earlier heuristic descriptions of a quantum-gravity contribution to the fuzziness of the worldlines of particles. We show that 3D-gravity-inspired spacetime noncommutativity reflects some of the features suggested by previous heuristic arguments. Most notably, gravity-induced worldline fuzziness, while irrelevantly small on terrestrial scales, could be observably large for propagation of particles over cosmological distances.","authors_text":"Giacomo Rosati, Giovanni Amelino-Camelia, Valerio Astuti","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-10T23:00:55Z","title":"Gravity's weight on worldline fuzziness"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2509","kind":"arxiv","version":2},"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:d029035723dac386edab59d5821f46bad83b5a3dba433c24be3e03b4d8019c1a","target":"record","created_at":"2026-05-18T03:36:04Z","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":"320140b711cd95f5a027b4c78f9bcd8d93ecfe23be0d03f9e7f4b0e1f0b7a5fd","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-10T23:00:55Z","title_canon_sha256":"15f69636e103d7ce48cc3e063f2d2435c1d94150db4bcf47f89b275b874868b6"},"schema_version":"1.0","source":{"id":"1207.2509","kind":"arxiv","version":2}},"canonical_sha256":"8775bd4b6f08850d83d47b20f03e9d0ead639fd05638fb24be574bf70df2bfff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8775bd4b6f08850d83d47b20f03e9d0ead639fd05638fb24be574bf70df2bfff","first_computed_at":"2026-05-18T03:36:04.439740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:04.439740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MO/Xh8KKYQ3rxlosUPyS1/cZPo7j9NoT+rNefzy8RSmm2e+qV/Y6WOZ5IfwcY2RmMjUelqyuR1T4CW4ggfpADw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:04.440226Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.2509","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d029035723dac386edab59d5821f46bad83b5a3dba433c24be3e03b4d8019c1a","sha256:268c662621f421e5f70c21c8c6c7f2c1a74f7a431fc69409ceee4baeb2828968"],"state_sha256":"a54a9ee5120c9f99c8b376ef8c2b2e8834e25dc830c8f7d1758c7791854df810"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ZmXzXpSM1hxyVsEhcL3dir3aYVR6C/vhcHMHh+hMFN+gie+4rhyRnaPUr+vUKRq/a6xZKGpADCvFxiRSlHsAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:18:06.372552Z","bundle_sha256":"9857cd644abda7cd035a8665d44fdc8c654943cb2c3109ec5c1ecf7468aa82f2"}}