{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6SAYDOX2SBD72GGFPK2Y7WFQYE","short_pith_number":"pith:6SAYDOX2","canonical_record":{"source":{"id":"2507.16610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T14:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"2133f706489ba518b92aa9429a4734ba61c82115992bc01b628b211934445edc","abstract_canon_sha256":"b0c1cf630f68ef818ad84ebc959eca7089d551cf1268f59247789821687546c9"},"schema_version":"1.0"},"canonical_sha256":"f48181bafa9047fd18c57ab58fd8b0c107dda8f382d579ad6ffee301064aa04e","source":{"kind":"arxiv","id":"2507.16610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16610","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16610v1","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16610","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_12","alias_value":"6SAYDOX2SBD7","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_16","alias_value":"6SAYDOX2SBD72GGF","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_8","alias_value":"6SAYDOX2","created_at":"2026-07-05T11:41:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6SAYDOX2SBD72GGFPK2Y7WFQYE","target":"record","payload":{"canonical_record":{"source":{"id":"2507.16610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T14:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"2133f706489ba518b92aa9429a4734ba61c82115992bc01b628b211934445edc","abstract_canon_sha256":"b0c1cf630f68ef818ad84ebc959eca7089d551cf1268f59247789821687546c9"},"schema_version":"1.0"},"canonical_sha256":"f48181bafa9047fd18c57ab58fd8b0c107dda8f382d579ad6ffee301064aa04e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:41:27.719999Z","signature_b64":"v8sZBxbDJ9/IH3Mur/sT9njT6za2xKof8GrzzeE2LzSMggasA+rHYeV1XQQobpdJ8wnIukyzm1Io7JhuFCwWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f48181bafa9047fd18c57ab58fd8b0c107dda8f382d579ad6ffee301064aa04e","last_reissued_at":"2026-07-05T11:41:27.719495Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:41:27.719495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.16610","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":"2026-07-05T11:41:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YN+QeIeHycnGthzEpno7Vl6ZseKagsFxhWTj84nID6cI0g94riCzpaJMoOIp83vbO4fwNXtJd8Wo86wsH2HPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:20:47.976353Z"},"content_sha256":"e16b526f29df44e17e8f65f50bf1dcaf7a900ed6d84227b15ff00580941a3215","schema_version":"1.0","event_id":"sha256:e16b526f29df44e17e8f65f50bf1dcaf7a900ed6d84227b15ff00580941a3215"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6SAYDOX2SBD72GGFPK2Y7WFQYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isocoherent Work Extraction from Quantum Batteries: Basis-Dependent Response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Debarupa Saha, Shuva Mondal, Ujjwal Sen","submitted_at":"2025-07-22T14:07:55Z","abstract_excerpt":"We identify a connection between quantum coherence and the maximum extractable work from a quantum battery, and to this end, we define the coherence-constrained maximal work (CCMW) as the highest amount of work extractable via coherence-preserving unitaries, optimized over all quantum states with fixed coherence in a given dimension. For qubit systems, we derive an analytical relation between the CCMW and the input coherence, defined with respect to an arbitrary fixed basis. Strikingly, we find that for fixed quantum coherence in the energy eigenbasis, the maximal extractable work decreases wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16610","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/2507.16610/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":"2026-07-05T11:41:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uikMeeT3v73vEkDLjb9r5MTXJRlGgFjMh7sWUG266CvSC3bd45Rfd1i+BAbe8lTvt0QY5BLqWal3vuk950U/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:20:47.976846Z"},"content_sha256":"8b7cb338ca57f71517a288fefcc91b586175a04cbb9c650536e13486b2ad6741","schema_version":"1.0","event_id":"sha256:8b7cb338ca57f71517a288fefcc91b586175a04cbb9c650536e13486b2ad6741"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/bundle.json","state_url":"https://pith.science/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/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":"2026-08-09T20:20:47Z","links":{"resolver":"https://pith.science/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE","bundle":"https://pith.science/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/bundle.json","state":"https://pith.science/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6SAYDOX2SBD72GGFPK2Y7WFQYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6SAYDOX2SBD72GGFPK2Y7WFQYE","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":"b0c1cf630f68ef818ad84ebc959eca7089d551cf1268f59247789821687546c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T14:07:55Z","title_canon_sha256":"2133f706489ba518b92aa9429a4734ba61c82115992bc01b628b211934445edc"},"schema_version":"1.0","source":{"id":"2507.16610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16610","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16610v1","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16610","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_12","alias_value":"6SAYDOX2SBD7","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_16","alias_value":"6SAYDOX2SBD72GGF","created_at":"2026-07-05T11:41:27Z"},{"alias_kind":"pith_short_8","alias_value":"6SAYDOX2","created_at":"2026-07-05T11:41:27Z"}],"graph_snapshots":[{"event_id":"sha256:8b7cb338ca57f71517a288fefcc91b586175a04cbb9c650536e13486b2ad6741","target":"graph","created_at":"2026-07-05T11:41:27Z","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/2507.16610/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We identify a connection between quantum coherence and the maximum extractable work from a quantum battery, and to this end, we define the coherence-constrained maximal work (CCMW) as the highest amount of work extractable via coherence-preserving unitaries, optimized over all quantum states with fixed coherence in a given dimension. For qubit systems, we derive an analytical relation between the CCMW and the input coherence, defined with respect to an arbitrary fixed basis. Strikingly, we find that for fixed quantum coherence in the energy eigenbasis, the maximal extractable work decreases wi","authors_text":"Debarupa Saha, Shuva Mondal, Ujjwal Sen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T14:07:55Z","title":"Isocoherent Work Extraction from Quantum Batteries: Basis-Dependent Response"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16610","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:e16b526f29df44e17e8f65f50bf1dcaf7a900ed6d84227b15ff00580941a3215","target":"record","created_at":"2026-07-05T11:41:27Z","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":"b0c1cf630f68ef818ad84ebc959eca7089d551cf1268f59247789821687546c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-22T14:07:55Z","title_canon_sha256":"2133f706489ba518b92aa9429a4734ba61c82115992bc01b628b211934445edc"},"schema_version":"1.0","source":{"id":"2507.16610","kind":"arxiv","version":1}},"canonical_sha256":"f48181bafa9047fd18c57ab58fd8b0c107dda8f382d579ad6ffee301064aa04e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f48181bafa9047fd18c57ab58fd8b0c107dda8f382d579ad6ffee301064aa04e","first_computed_at":"2026-07-05T11:41:27.719495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:41:27.719495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v8sZBxbDJ9/IH3Mur/sT9njT6za2xKof8GrzzeE2LzSMggasA+rHYeV1XQQobpdJ8wnIukyzm1Io7JhuFCwWDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:41:27.719999Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.16610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e16b526f29df44e17e8f65f50bf1dcaf7a900ed6d84227b15ff00580941a3215","sha256:8b7cb338ca57f71517a288fefcc91b586175a04cbb9c650536e13486b2ad6741"],"state_sha256":"4ee36c2763d41e8dd981442f5cd1e80b79db5b4c5f5362cec2868a893c254af3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KCB093h2iwvF3KF2tdWN7h6DpqRnLUMgOfUhcJx9ZyLl8Aw27D1Pf6merBQxzY/rKauKqouZy+pW4+OI6jWQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T20:20:47.982552Z","bundle_sha256":"85a94373b0d0061d565b38ba768558b89a1f58673f3c32348f7f4b36bf4b7283"}}