{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DTDSLRYDY3TZ7LVPLUN2SSASGP","short_pith_number":"pith:DTDSLRYD","canonical_record":{"source":{"id":"2506.16109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2025-06-19T08:00:55Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"771bebae17a6615b236901bf3f5e5b3dd2c3a4ffe4e0de8977911214d5b9726b","abstract_canon_sha256":"6659b2216a9ef5d829dbad3f5f62487c074d42d23a6bfaab820fa715f497be87"},"schema_version":"1.0"},"canonical_sha256":"1cc725c703c6e79faeaf5d1ba9481233caff50019d090bc38d7a56aa746d29f7","source":{"kind":"arxiv","id":"2506.16109","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.16109","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.16109v1","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.16109","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_12","alias_value":"DTDSLRYDY3TZ","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_16","alias_value":"DTDSLRYDY3TZ7LVP","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_8","alias_value":"DTDSLRYD","created_at":"2026-07-05T11:24:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DTDSLRYDY3TZ7LVPLUN2SSASGP","target":"record","payload":{"canonical_record":{"source":{"id":"2506.16109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2025-06-19T08:00:55Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"771bebae17a6615b236901bf3f5e5b3dd2c3a4ffe4e0de8977911214d5b9726b","abstract_canon_sha256":"6659b2216a9ef5d829dbad3f5f62487c074d42d23a6bfaab820fa715f497be87"},"schema_version":"1.0"},"canonical_sha256":"1cc725c703c6e79faeaf5d1ba9481233caff50019d090bc38d7a56aa746d29f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:24:30.660016Z","signature_b64":"rPtvCxaQAO8GddIYUyRcojdpii3GCcQdgYw15B/7FJX8MlKoHC0ONQdWKfY4VVO8lRWqeWONGord5fnUMvXTBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cc725c703c6e79faeaf5d1ba9481233caff50019d090bc38d7a56aa746d29f7","last_reissued_at":"2026-07-05T11:24:30.659587Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:24:30.659587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.16109","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":"2026-07-05T11:24:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cI69dpyiirIitgMI+YYzZT2ZjmvDKPatVyraF+cxCVQCBZCNbWA2rEmuScc9FaCjRSCVdrWRD28NdITn7G1XCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:09:34.792526Z"},"content_sha256":"e1139f46ce4ddaf103143bda6123d177a8efe460df8c69ff43c0b0a3c43fe769","schema_version":"1.0","event_id":"sha256:e1139f46ce4ddaf103143bda6123d177a8efe460df8c69ff43c0b0a3c43fe769"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DTDSLRYDY3TZ7LVPLUN2SSASGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observer Time from Causality in Perturbative Quantum Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Allic Sivaramakrishnan","submitted_at":"2025-06-19T08:00:55Z","abstract_excerpt":"It is unclear whether an observable notion of time exists in quantum gravity even in principle because spacetime itself fluctuates. We propose a form of observable time in perturbative quantum gravity. First, we define an elapsed proper time in curved space using intersections of worldlines and future light cones. Here, time arises from causality via the dependence on light cones. We then propose that performing the gravitational path integral describes quantum gravity corrections to this notion of proper time at all orders in $G_N$. Using this prescription, we compute the leading quantum grav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.16109","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.16109/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:24:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZdDxY8wBWbfRrvMuwwByay5t77yh6vQ4f3k8Yl/Z6bl08fOhw0ZD3CXgFnQaK492QxlMJQt6Q3JKbrkYNGicDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:09:34.793029Z"},"content_sha256":"ff5519cb816bbfbf8d192906806934283e8fe415203f1ee0138979574076da7b","schema_version":"1.0","event_id":"sha256:ff5519cb816bbfbf8d192906806934283e8fe415203f1ee0138979574076da7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/bundle.json","state_url":"https://pith.science/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/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":"2026-08-08T06:09:34Z","links":{"resolver":"https://pith.science/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP","bundle":"https://pith.science/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/bundle.json","state":"https://pith.science/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTDSLRYDY3TZ7LVPLUN2SSASGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DTDSLRYDY3TZ7LVPLUN2SSASGP","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":"6659b2216a9ef5d829dbad3f5f62487c074d42d23a6bfaab820fa715f497be87","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2025-06-19T08:00:55Z","title_canon_sha256":"771bebae17a6615b236901bf3f5e5b3dd2c3a4ffe4e0de8977911214d5b9726b"},"schema_version":"1.0","source":{"id":"2506.16109","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.16109","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.16109v1","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.16109","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_12","alias_value":"DTDSLRYDY3TZ","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_16","alias_value":"DTDSLRYDY3TZ7LVP","created_at":"2026-07-05T11:24:30Z"},{"alias_kind":"pith_short_8","alias_value":"DTDSLRYD","created_at":"2026-07-05T11:24:30Z"}],"graph_snapshots":[{"event_id":"sha256:ff5519cb816bbfbf8d192906806934283e8fe415203f1ee0138979574076da7b","target":"graph","created_at":"2026-07-05T11:24:30Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2506.16109/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is unclear whether an observable notion of time exists in quantum gravity even in principle because spacetime itself fluctuates. We propose a form of observable time in perturbative quantum gravity. First, we define an elapsed proper time in curved space using intersections of worldlines and future light cones. Here, time arises from causality via the dependence on light cones. We then propose that performing the gravitational path integral describes quantum gravity corrections to this notion of proper time at all orders in $G_N$. Using this prescription, we compute the leading quantum grav","authors_text":"Allic Sivaramakrishnan","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2025-06-19T08:00:55Z","title":"Observer Time from Causality in Perturbative Quantum Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.16109","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:e1139f46ce4ddaf103143bda6123d177a8efe460df8c69ff43c0b0a3c43fe769","target":"record","created_at":"2026-07-05T11:24:30Z","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":"6659b2216a9ef5d829dbad3f5f62487c074d42d23a6bfaab820fa715f497be87","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2025-06-19T08:00:55Z","title_canon_sha256":"771bebae17a6615b236901bf3f5e5b3dd2c3a4ffe4e0de8977911214d5b9726b"},"schema_version":"1.0","source":{"id":"2506.16109","kind":"arxiv","version":1}},"canonical_sha256":"1cc725c703c6e79faeaf5d1ba9481233caff50019d090bc38d7a56aa746d29f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cc725c703c6e79faeaf5d1ba9481233caff50019d090bc38d7a56aa746d29f7","first_computed_at":"2026-07-05T11:24:30.659587Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:24:30.659587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rPtvCxaQAO8GddIYUyRcojdpii3GCcQdgYw15B/7FJX8MlKoHC0ONQdWKfY4VVO8lRWqeWONGord5fnUMvXTBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:24:30.660016Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.16109","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1139f46ce4ddaf103143bda6123d177a8efe460df8c69ff43c0b0a3c43fe769","sha256:ff5519cb816bbfbf8d192906806934283e8fe415203f1ee0138979574076da7b"],"state_sha256":"4ac1272eef108f78ff4da78d47d96c753e9cc219a742b8f8abe35b604e9f381d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O68QLqMSsBanjBTaNJ+LNhJUi/ZQB+Pgzwef4QqNjxS2bl+yDhJZENhusYAdVBNwIVgQxbwMvtx/qd7T/mIqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T06:09:34.796424Z","bundle_sha256":"158229a132d099ef5d01eb5eb1b65cb1bcf6ca52f3cff34af5963a2bad017423"}}