{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KSX6QQCS5X4YORUOXLTJXTBX4G","short_pith_number":"pith:KSX6QQCS","canonical_record":{"source":{"id":"1905.08078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-05-20T13:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"a2a5120782daf4e91b8dce31b3cb8d8f83c73595009995aa239b2f130dcbee85","abstract_canon_sha256":"43818920e113296368bafd010a907ef0bc550c0d2a1248217f3c5ba221970c1f"},"schema_version":"1.0"},"canonical_sha256":"54afe84052edf987468ebae69bcc37e18189a91f298d4d15ac30f824abb202ad","source":{"kind":"arxiv","id":"1905.08078","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08078","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08078v1","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08078","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"pith_short_12","alias_value":"KSX6QQCS5X4Y","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"KSX6QQCS5X4YORUO","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"KSX6QQCS","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KSX6QQCS5X4YORUOXLTJXTBX4G","target":"record","payload":{"canonical_record":{"source":{"id":"1905.08078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-05-20T13:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"a2a5120782daf4e91b8dce31b3cb8d8f83c73595009995aa239b2f130dcbee85","abstract_canon_sha256":"43818920e113296368bafd010a907ef0bc550c0d2a1248217f3c5ba221970c1f"},"schema_version":"1.0"},"canonical_sha256":"54afe84052edf987468ebae69bcc37e18189a91f298d4d15ac30f824abb202ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:18.884185Z","signature_b64":"5fIfWx0YOnjwe+QS6y4CYzx9sWMhll7UHLbYlPfQ4ccbTz42YJVtQalTS3QwOYa8VylsC7Jay20u/anxkLP5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54afe84052edf987468ebae69bcc37e18189a91f298d4d15ac30f824abb202ad","last_reissued_at":"2026-05-17T23:42:18.883726Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:18.883726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.08078","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":"2026-05-17T23:42:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IQrSAJacWLkD1OVJGcWvd7gRqQJqGY2XH6OWpoJ3qexOQxG2E94rXQRbOt/nkqtyUUQtUHBSCYaNu6EJr5LyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:44:26.311602Z"},"content_sha256":"5319a7129703484b48dd4626c0c879585bc01311224a8d7409596d2e74f1eeb9","schema_version":"1.0","event_id":"sha256:5319a7129703484b48dd4626c0c879585bc01311224a8d7409596d2e74f1eeb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KSX6QQCS5X4YORUOXLTJXTBX4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relative Quantum Time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Leon Loveridge, Takayuki Miyadera","submitted_at":"2019-05-20T13:07:28Z","abstract_excerpt":"The need for a time-shift invariant formulation of quantum theory arises from fundamental symmetry principles as well as heuristic cosmological considerations. Such a description then leaves open the question of how to reconcile global invariance with the perception of change, locally. By introducing relative time observables, we are able to make rigorous the Page-Wootters conditional probability formalism to show how local Heisenberg evolution is compatible with global invariance."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08078","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":"2026-05-17T23:42:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NKseQVRBGEbXzmS90WNfDgNJBJcMrj2qSQRGUIE6n/mM2s/5QP8c6H+IWW05gbMLu+Iz2eBsBwD4ZDffSf4BDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T08:44:26.311931Z"},"content_sha256":"9b10cc00b4fae86561fe43e7503e631dbba9aaf199c8e7ba2c9a26fa4f288118","schema_version":"1.0","event_id":"sha256:9b10cc00b4fae86561fe43e7503e631dbba9aaf199c8e7ba2c9a26fa4f288118"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/bundle.json","state_url":"https://pith.science/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/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":"2026-07-02T08:44:26Z","links":{"resolver":"https://pith.science/pith/KSX6QQCS5X4YORUOXLTJXTBX4G","bundle":"https://pith.science/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/bundle.json","state":"https://pith.science/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KSX6QQCS5X4YORUOXLTJXTBX4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KSX6QQCS5X4YORUOXLTJXTBX4G","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":"43818920e113296368bafd010a907ef0bc550c0d2a1248217f3c5ba221970c1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-05-20T13:07:28Z","title_canon_sha256":"a2a5120782daf4e91b8dce31b3cb8d8f83c73595009995aa239b2f130dcbee85"},"schema_version":"1.0","source":{"id":"1905.08078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08078","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08078v1","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08078","created_at":"2026-05-17T23:42:18Z"},{"alias_kind":"pith_short_12","alias_value":"KSX6QQCS5X4Y","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"KSX6QQCS5X4YORUO","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"KSX6QQCS","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:9b10cc00b4fae86561fe43e7503e631dbba9aaf199c8e7ba2c9a26fa4f288118","target":"graph","created_at":"2026-05-17T23:42:18Z","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":"The need for a time-shift invariant formulation of quantum theory arises from fundamental symmetry principles as well as heuristic cosmological considerations. Such a description then leaves open the question of how to reconcile global invariance with the perception of change, locally. By introducing relative time observables, we are able to make rigorous the Page-Wootters conditional probability formalism to show how local Heisenberg evolution is compatible with global invariance.","authors_text":"Leon Loveridge, Takayuki Miyadera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-05-20T13:07:28Z","title":"Relative Quantum Time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08078","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":"sha256:5319a7129703484b48dd4626c0c879585bc01311224a8d7409596d2e74f1eeb9","target":"record","created_at":"2026-05-17T23:42:18Z","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":"43818920e113296368bafd010a907ef0bc550c0d2a1248217f3c5ba221970c1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-05-20T13:07:28Z","title_canon_sha256":"a2a5120782daf4e91b8dce31b3cb8d8f83c73595009995aa239b2f130dcbee85"},"schema_version":"1.0","source":{"id":"1905.08078","kind":"arxiv","version":1}},"canonical_sha256":"54afe84052edf987468ebae69bcc37e18189a91f298d4d15ac30f824abb202ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54afe84052edf987468ebae69bcc37e18189a91f298d4d15ac30f824abb202ad","first_computed_at":"2026-05-17T23:42:18.883726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:18.883726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5fIfWx0YOnjwe+QS6y4CYzx9sWMhll7UHLbYlPfQ4ccbTz42YJVtQalTS3QwOYa8VylsC7Jay20u/anxkLP5CA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:18.884185Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.08078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5319a7129703484b48dd4626c0c879585bc01311224a8d7409596d2e74f1eeb9","sha256:9b10cc00b4fae86561fe43e7503e631dbba9aaf199c8e7ba2c9a26fa4f288118"],"state_sha256":"8917c5f0c73409f6c389f946d6c501ffb8d8291ab168d61bf0b10c8f5f00b241"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7M2Tba7QaN91h7y18WfUq7pMuC9tJUrWVf1XmAtj/ADSDxYOHth7JN8O/99Mfs0Fq1ZZdIWG0t+aqlPGe5ZKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T08:44:26.316506Z","bundle_sha256":"261d5b9d5623854c1d607875626b6c852442d3bc74ee95dc5aa13c3dd7661b11"}}