{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:7XTPB7PK763ZTJKKER6OK2U7CE","short_pith_number":"pith:7XTPB7PK","canonical_record":{"source":{"id":"0908.0264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-08-03T14:45:26Z","cross_cats_sorted":[],"title_canon_sha256":"ff99e5d103da6dcbba111039c00fe6294c9ecfc13c9902f6c4daea03ff734659","abstract_canon_sha256":"70afa3673cec95b45a336b844b1312b10e36195e43e74a9aee06251e46d95763"},"schema_version":"1.0"},"canonical_sha256":"fde6f0fdeaffb799a54a247ce56a9f113fdcdec699df3ab6d05e4ec34eae32c9","source":{"kind":"arxiv","id":"0908.0264","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.0264","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"0908.0264v2","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.0264","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"7XTPB7PK763Z","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_16","alias_value":"7XTPB7PK763ZTJKK","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_8","alias_value":"7XTPB7PK","created_at":"2026-07-04T17:17:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:7XTPB7PK763ZTJKKER6OK2U7CE","target":"record","payload":{"canonical_record":{"source":{"id":"0908.0264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-08-03T14:45:26Z","cross_cats_sorted":[],"title_canon_sha256":"ff99e5d103da6dcbba111039c00fe6294c9ecfc13c9902f6c4daea03ff734659","abstract_canon_sha256":"70afa3673cec95b45a336b844b1312b10e36195e43e74a9aee06251e46d95763"},"schema_version":"1.0"},"canonical_sha256":"fde6f0fdeaffb799a54a247ce56a9f113fdcdec699df3ab6d05e4ec34eae32c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:17:31.053619Z","signature_b64":"qn/9X6WOn2yjpy6eZd/JC8YblwOdsMMzxea+8uiHm8RZ4cBnybc3mwdQkQiewoTtPob1LiUl385JNDtSk9NHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fde6f0fdeaffb799a54a247ce56a9f113fdcdec699df3ab6d05e4ec34eae32c9","last_reissued_at":"2026-07-04T17:17:31.053183Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:17:31.053183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.0264","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DVmTRmaEvEFigt2WXmGmZ9BooVGOBxmStfrQ5J99ntlGAC3CZqdZNrzp9F9rUHKeELqRh3ex0CxGJKgPR59ECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:51:46.212039Z"},"content_sha256":"c1f1674c68742b1ddfb4a1cac9fcebcc9c680b9f9fcb05133e1e4d851616d6c7","schema_version":"1.0","event_id":"sha256:c1f1674c68742b1ddfb4a1cac9fcebcc9c680b9f9fcb05133e1e4d851616d6c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:7XTPB7PK763ZTJKKER6OK2U7CE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluctuation-Induced Heat Release from Temperature-Quenched Nuclear Spins near a Quantum Critical Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"B. M. Atkins, N. Kaur, N. S. Dalal, Y. H. Kim, Y. Takano","submitted_at":"2009-08-03T14:45:26Z","abstract_excerpt":"At a quantum critical point (QCP) -- a zero-temperature singularity in which a line of continuous phase transition terminates -- quantum fluctuations diverge in space and time, leading to exotic phenomena that can be observed at non-zero temperatures. Using a quantum antiferromagnet, we present calorimetric evidence that nuclear spins frozen in a high-temperature metastable state by temperature quenching are annealed by quantum fluctuations near the QCP. This phenomenon, with readily detectable heat release from the nuclear spins as they are annealed, serves as an excellent marker of a quantum"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.0264","kind":"arxiv","version":2},"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/0908.0264/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":"2026-07-04T17:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYP+KjlPGujYjwp5GcpkIXuYiCO+bqVzG+LXfyw482IK1v3wUe2fuR0HvRG1rv0q6sVfhns+3oo6ZRZC6yG9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:51:46.212423Z"},"content_sha256":"ca80fcf0f6ab863fb826db986b6b39b711e32f9aadcba6b45ca27931af29e3ef","schema_version":"1.0","event_id":"sha256:ca80fcf0f6ab863fb826db986b6b39b711e32f9aadcba6b45ca27931af29e3ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7XTPB7PK763ZTJKKER6OK2U7CE/bundle.json","state_url":"https://pith.science/pith/7XTPB7PK763ZTJKKER6OK2U7CE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7XTPB7PK763ZTJKKER6OK2U7CE/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":"2026-07-07T14:51:46Z","links":{"resolver":"https://pith.science/pith/7XTPB7PK763ZTJKKER6OK2U7CE","bundle":"https://pith.science/pith/7XTPB7PK763ZTJKKER6OK2U7CE/bundle.json","state":"https://pith.science/pith/7XTPB7PK763ZTJKKER6OK2U7CE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7XTPB7PK763ZTJKKER6OK2U7CE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7XTPB7PK763ZTJKKER6OK2U7CE","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":"70afa3673cec95b45a336b844b1312b10e36195e43e74a9aee06251e46d95763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-08-03T14:45:26Z","title_canon_sha256":"ff99e5d103da6dcbba111039c00fe6294c9ecfc13c9902f6c4daea03ff734659"},"schema_version":"1.0","source":{"id":"0908.0264","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.0264","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"0908.0264v2","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.0264","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"7XTPB7PK763Z","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_16","alias_value":"7XTPB7PK763ZTJKK","created_at":"2026-07-04T17:17:31Z"},{"alias_kind":"pith_short_8","alias_value":"7XTPB7PK","created_at":"2026-07-04T17:17:31Z"}],"graph_snapshots":[{"event_id":"sha256:ca80fcf0f6ab863fb826db986b6b39b711e32f9aadcba6b45ca27931af29e3ef","target":"graph","created_at":"2026-07-04T17:17:31Z","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/0908.0264/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"At a quantum critical point (QCP) -- a zero-temperature singularity in which a line of continuous phase transition terminates -- quantum fluctuations diverge in space and time, leading to exotic phenomena that can be observed at non-zero temperatures. Using a quantum antiferromagnet, we present calorimetric evidence that nuclear spins frozen in a high-temperature metastable state by temperature quenching are annealed by quantum fluctuations near the QCP. This phenomenon, with readily detectable heat release from the nuclear spins as they are annealed, serves as an excellent marker of a quantum","authors_text":"B. M. Atkins, N. Kaur, N. S. Dalal, Y. H. Kim, Y. Takano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-08-03T14:45:26Z","title":"Fluctuation-Induced Heat Release from Temperature-Quenched Nuclear Spins near a Quantum Critical Point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.0264","kind":"arxiv","version":2},"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:c1f1674c68742b1ddfb4a1cac9fcebcc9c680b9f9fcb05133e1e4d851616d6c7","target":"record","created_at":"2026-07-04T17:17:31Z","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":"70afa3673cec95b45a336b844b1312b10e36195e43e74a9aee06251e46d95763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-08-03T14:45:26Z","title_canon_sha256":"ff99e5d103da6dcbba111039c00fe6294c9ecfc13c9902f6c4daea03ff734659"},"schema_version":"1.0","source":{"id":"0908.0264","kind":"arxiv","version":2}},"canonical_sha256":"fde6f0fdeaffb799a54a247ce56a9f113fdcdec699df3ab6d05e4ec34eae32c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fde6f0fdeaffb799a54a247ce56a9f113fdcdec699df3ab6d05e4ec34eae32c9","first_computed_at":"2026-07-04T17:17:31.053183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:17:31.053183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qn/9X6WOn2yjpy6eZd/JC8YblwOdsMMzxea+8uiHm8RZ4cBnybc3mwdQkQiewoTtPob1LiUl385JNDtSk9NHBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:17:31.053619Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.0264","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1f1674c68742b1ddfb4a1cac9fcebcc9c680b9f9fcb05133e1e4d851616d6c7","sha256:ca80fcf0f6ab863fb826db986b6b39b711e32f9aadcba6b45ca27931af29e3ef"],"state_sha256":"f0e5b8247ede58a14b2ac2941b5598c08b70c989f07c638a2b3ba06e12841b9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"znlFCt9aZB3CxTsGn7Dz2hQP2KtgbD9al2+BbffUmOlEq1+18IhC8dB64Ar/mwGHXQfYkCmvnGl/dUJJQANrDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:51:46.214332Z","bundle_sha256":"0c2b6856b243bfffee075126133d57db6541e66a1fdcc05e3d473450c4960823"}}