{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HH3LYJ4LSXVO7XH653AHQBTJYX","short_pith_number":"pith:HH3LYJ4L","canonical_record":{"source":{"id":"1511.06176","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-11-19T14:15:34Z","cross_cats_sorted":[],"title_canon_sha256":"890679c1cb6f8f914abd682d6843ecaef23946588230bb2ff5bd871a2a9dd01c","abstract_canon_sha256":"91a25aa7bc47787fbe65ff9ca7ec5f74f734f5d294c3f5bf3bb8a0c42601edf7"},"schema_version":"1.0"},"canonical_sha256":"39f6bc278b95eaefdcfeeec0780669c5d36b709bf45c6a9eb771076cc1fa952b","source":{"kind":"arxiv","id":"1511.06176","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06176","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06176v3","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06176","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"pith_short_12","alias_value":"HH3LYJ4LSXVO","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HH3LYJ4LSXVO7XH6","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HH3LYJ4L","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HH3LYJ4LSXVO7XH653AHQBTJYX","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06176","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-11-19T14:15:34Z","cross_cats_sorted":[],"title_canon_sha256":"890679c1cb6f8f914abd682d6843ecaef23946588230bb2ff5bd871a2a9dd01c","abstract_canon_sha256":"91a25aa7bc47787fbe65ff9ca7ec5f74f734f5d294c3f5bf3bb8a0c42601edf7"},"schema_version":"1.0"},"canonical_sha256":"39f6bc278b95eaefdcfeeec0780669c5d36b709bf45c6a9eb771076cc1fa952b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:28.476564Z","signature_b64":"OhPgsW9rVKBHRvh4T+NpenV9SgY5PvR7iVjFOcmpmm/eFHHX9gQ0YlhCLnjNve4ZWJTRqydMRNq6MRZbmuLLDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39f6bc278b95eaefdcfeeec0780669c5d36b709bf45c6a9eb771076cc1fa952b","last_reissued_at":"2026-05-18T00:02:28.475882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:28.475882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06176","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":"2026-05-18T00:02:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GIVLFwdt/DH3tF5FYIQyaJZdrLNIfHbwx9sV0e/8UuyfYZgHzrdv8EXhVlX0tDmgPp1mkFI0knQ459SX2EUgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:25:40.574154Z"},"content_sha256":"34f2a4a840620d0b41a9c45a6120e44553fe2ec82f5d9b8c08c7fb2896d78192","schema_version":"1.0","event_id":"sha256:34f2a4a840620d0b41a9c45a6120e44553fe2ec82f5d9b8c08c7fb2896d78192"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HH3LYJ4LSXVO7XH653AHQBTJYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Thermodynamics, Entropy of the Universe, Free Energy, and the Second Law","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"George L. Barnes, Michael E. Kellman, Phillip C. Lotshaw","submitted_at":"2015-11-19T14:15:34Z","abstract_excerpt":"We take the view that the standard von Neumann definition, in which the entropy $S^{vN}$ of a pure state is zero, is in evident conflict with the statement of the second law that the entropy of the universe $S_{univ}$ increases in spontaneous processes, $ \\Delta S_{univ} > 0$. Here we seek an alternative entropy of the universe $S_{univ}$ that is in accord with the second law, in a spirit not dissimilar to von Neumann himself in lesser-known work. We perform simulations of time dependent dynamics for a previously developed \\cite{polyadbath} model quantum system becoming entangled with a quantu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06176","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":"2026-05-18T00:02:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qtNXa33U35gfOktPX9LIzca5AS/BDqsMuVDEfaejN/prytgk0xgSkg6HVp56kk8RaMgmBS21wVw86dhIYLr7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:25:40.574516Z"},"content_sha256":"c323091f61c41c4bb6a8ccb889407dfb3f673e0ec1a3fb06885dc16c91025595","schema_version":"1.0","event_id":"sha256:c323091f61c41c4bb6a8ccb889407dfb3f673e0ec1a3fb06885dc16c91025595"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/bundle.json","state_url":"https://pith.science/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/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":"2026-06-03T09:25:40Z","links":{"resolver":"https://pith.science/pith/HH3LYJ4LSXVO7XH653AHQBTJYX","bundle":"https://pith.science/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/bundle.json","state":"https://pith.science/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HH3LYJ4LSXVO7XH653AHQBTJYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HH3LYJ4LSXVO7XH653AHQBTJYX","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":"91a25aa7bc47787fbe65ff9ca7ec5f74f734f5d294c3f5bf3bb8a0c42601edf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-11-19T14:15:34Z","title_canon_sha256":"890679c1cb6f8f914abd682d6843ecaef23946588230bb2ff5bd871a2a9dd01c"},"schema_version":"1.0","source":{"id":"1511.06176","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06176","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06176v3","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06176","created_at":"2026-05-18T00:02:28Z"},{"alias_kind":"pith_short_12","alias_value":"HH3LYJ4LSXVO","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HH3LYJ4LSXVO7XH6","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HH3LYJ4L","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:c323091f61c41c4bb6a8ccb889407dfb3f673e0ec1a3fb06885dc16c91025595","target":"graph","created_at":"2026-05-18T00:02:28Z","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 take the view that the standard von Neumann definition, in which the entropy $S^{vN}$ of a pure state is zero, is in evident conflict with the statement of the second law that the entropy of the universe $S_{univ}$ increases in spontaneous processes, $ \\Delta S_{univ} > 0$. Here we seek an alternative entropy of the universe $S_{univ}$ that is in accord with the second law, in a spirit not dissimilar to von Neumann himself in lesser-known work. We perform simulations of time dependent dynamics for a previously developed \\cite{polyadbath} model quantum system becoming entangled with a quantu","authors_text":"George L. Barnes, Michael E. Kellman, Phillip C. Lotshaw","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-11-19T14:15:34Z","title":"Quantum Thermodynamics, Entropy of the Universe, Free Energy, and the Second Law"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06176","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":"sha256:34f2a4a840620d0b41a9c45a6120e44553fe2ec82f5d9b8c08c7fb2896d78192","target":"record","created_at":"2026-05-18T00:02:28Z","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":"91a25aa7bc47787fbe65ff9ca7ec5f74f734f5d294c3f5bf3bb8a0c42601edf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-11-19T14:15:34Z","title_canon_sha256":"890679c1cb6f8f914abd682d6843ecaef23946588230bb2ff5bd871a2a9dd01c"},"schema_version":"1.0","source":{"id":"1511.06176","kind":"arxiv","version":3}},"canonical_sha256":"39f6bc278b95eaefdcfeeec0780669c5d36b709bf45c6a9eb771076cc1fa952b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39f6bc278b95eaefdcfeeec0780669c5d36b709bf45c6a9eb771076cc1fa952b","first_computed_at":"2026-05-18T00:02:28.475882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:28.475882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OhPgsW9rVKBHRvh4T+NpenV9SgY5PvR7iVjFOcmpmm/eFHHX9gQ0YlhCLnjNve4ZWJTRqydMRNq6MRZbmuLLDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:28.476564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06176","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34f2a4a840620d0b41a9c45a6120e44553fe2ec82f5d9b8c08c7fb2896d78192","sha256:c323091f61c41c4bb6a8ccb889407dfb3f673e0ec1a3fb06885dc16c91025595"],"state_sha256":"af97496424600c75fca7058c1c3f2def346f26322092f9713653531b00834367"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"glH0/eeMywBxbrPbVnXlUyzZVU5RZfM/CjU4S6Gm1pr20+K5kvdM2GGvAs0UEfuT9oSAye7UkaYphVmi2PLdAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:25:40.576519Z","bundle_sha256":"ea62252c641adf8f3c249dcb2872eaa27294ef4512c130767ef5965279da40a6"}}