{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IYRDKBOVSAEGYAPEE5PCWNZSSW","short_pith_number":"pith:IYRDKBOV","canonical_record":{"source":{"id":"1609.05504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2016-09-18T15:51:10Z","cross_cats_sorted":[],"title_canon_sha256":"d2419dc5130e2bda399eaa8a963a7a2d7df3015ba7f3404d10da2f2ba294d1e5","abstract_canon_sha256":"91c24f02a26e885f3a68ef176486a20bdbeb8cae081b8c460eda9568955d6bbb"},"schema_version":"1.0"},"canonical_sha256":"46223505d590086c01e4275e2b373295b90c66302f8608e71369a8875b5d771f","source":{"kind":"arxiv","id":"1609.05504","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05504","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05504v1","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05504","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"IYRDKBOVSAEG","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IYRDKBOVSAEGYAPE","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IYRDKBOV","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IYRDKBOVSAEGYAPEE5PCWNZSSW","target":"record","payload":{"canonical_record":{"source":{"id":"1609.05504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2016-09-18T15:51:10Z","cross_cats_sorted":[],"title_canon_sha256":"d2419dc5130e2bda399eaa8a963a7a2d7df3015ba7f3404d10da2f2ba294d1e5","abstract_canon_sha256":"91c24f02a26e885f3a68ef176486a20bdbeb8cae081b8c460eda9568955d6bbb"},"schema_version":"1.0"},"canonical_sha256":"46223505d590086c01e4275e2b373295b90c66302f8608e71369a8875b5d771f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:26.213901Z","signature_b64":"qW6G8wokJ8BNXh07YfZQishWnpkRLxUtttMUzM2FG3NJGRbRuUFZxZRJn4zmarctfJAraaLVIrAztmUxLu/9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46223505d590086c01e4275e2b373295b90c66302f8608e71369a8875b5d771f","last_reissued_at":"2026-05-18T01:04:26.213285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:26.213285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.05504","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":"2026-05-18T01:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hTqmGm8FgQ82l03PUgnEeOGiv4nsSXYKO/N67SdbblGCZR2JMCx7gf9ITTEAnQJmOWqbsd3sG7iIWQJ0NMIDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:55:04.076287Z"},"content_sha256":"bdbe0f4b4fce9526a9d57ee315d44eb0b210a2f5c58a1c012f61f1144afbb670","schema_version":"1.0","event_id":"sha256:bdbe0f4b4fce9526a9d57ee315d44eb0b210a2f5c58a1c012f61f1144afbb670"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IYRDKBOVSAEGYAPEE5PCWNZSSW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Indistinguishability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.hist-ph","authors_text":"Simon Saunders","submitted_at":"2016-09-18T15:51:10Z","abstract_excerpt":"This is a systematic review of the concept of indistinguishability in both classical and quantum mechanics, with particular attention to Gibbs' paradox. Section 1 is on the Gibbs paradox; section 2 is a defense of the concept of classical indistinguishability, that addresses (and refutes) the view that classical particles can always be distinguished by their trajectories so are distinguishable. Section 3 is on the notion of object more generally, and on whether indistinguishables should be thought of as objects at all"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05504","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":"2026-05-18T01:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08ExuNUb1iCxmtYHcAcDHT3cdxQiwUTPmLPQ2vC4QuDm/zCZiPBns8o1AvOjG6zdRnNRP17baPh1mFg+UO+9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:55:04.076645Z"},"content_sha256":"ddf00401c7f58c56a163a604cabe7406006798c9f1911ff5e6f6e79995175d18","schema_version":"1.0","event_id":"sha256:ddf00401c7f58c56a163a604cabe7406006798c9f1911ff5e6f6e79995175d18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/bundle.json","state_url":"https://pith.science/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/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":"2026-07-06T16:55:04Z","links":{"resolver":"https://pith.science/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW","bundle":"https://pith.science/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/bundle.json","state":"https://pith.science/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYRDKBOVSAEGYAPEE5PCWNZSSW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IYRDKBOVSAEGYAPEE5PCWNZSSW","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":"91c24f02a26e885f3a68ef176486a20bdbeb8cae081b8c460eda9568955d6bbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2016-09-18T15:51:10Z","title_canon_sha256":"d2419dc5130e2bda399eaa8a963a7a2d7df3015ba7f3404d10da2f2ba294d1e5"},"schema_version":"1.0","source":{"id":"1609.05504","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05504","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05504v1","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05504","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"IYRDKBOVSAEG","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IYRDKBOVSAEGYAPE","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IYRDKBOV","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:ddf00401c7f58c56a163a604cabe7406006798c9f1911ff5e6f6e79995175d18","target":"graph","created_at":"2026-05-18T01:04:26Z","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":"This is a systematic review of the concept of indistinguishability in both classical and quantum mechanics, with particular attention to Gibbs' paradox. Section 1 is on the Gibbs paradox; section 2 is a defense of the concept of classical indistinguishability, that addresses (and refutes) the view that classical particles can always be distinguished by their trajectories so are distinguishable. Section 3 is on the notion of object more generally, and on whether indistinguishables should be thought of as objects at all","authors_text":"Simon Saunders","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2016-09-18T15:51:10Z","title":"Indistinguishability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05504","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:bdbe0f4b4fce9526a9d57ee315d44eb0b210a2f5c58a1c012f61f1144afbb670","target":"record","created_at":"2026-05-18T01:04:26Z","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":"91c24f02a26e885f3a68ef176486a20bdbeb8cae081b8c460eda9568955d6bbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2016-09-18T15:51:10Z","title_canon_sha256":"d2419dc5130e2bda399eaa8a963a7a2d7df3015ba7f3404d10da2f2ba294d1e5"},"schema_version":"1.0","source":{"id":"1609.05504","kind":"arxiv","version":1}},"canonical_sha256":"46223505d590086c01e4275e2b373295b90c66302f8608e71369a8875b5d771f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46223505d590086c01e4275e2b373295b90c66302f8608e71369a8875b5d771f","first_computed_at":"2026-05-18T01:04:26.213285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:26.213285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qW6G8wokJ8BNXh07YfZQishWnpkRLxUtttMUzM2FG3NJGRbRuUFZxZRJn4zmarctfJAraaLVIrAztmUxLu/9Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:26.213901Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05504","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdbe0f4b4fce9526a9d57ee315d44eb0b210a2f5c58a1c012f61f1144afbb670","sha256:ddf00401c7f58c56a163a604cabe7406006798c9f1911ff5e6f6e79995175d18"],"state_sha256":"58b01a8f2cf6dc695ad5f6ba2290aead1bba0b5b62c13d9daa6bd9cf6f0590db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mz+IhUFeGNLahZW7FSQ1MlV55JDMcPiRPgRavOsyqzcnb6qexVPGq21TYpfnp0v1J73iasyBMzH6vDqBS4mgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:55:04.080531Z","bundle_sha256":"45d128d5d6fd7308513d5cc7ee9445291853a2af70458f8eb02c41a83b25cc3d"}}