{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:336QASA6H5CQFBNSRV2MNSJFWA","short_pith_number":"pith:336QASA6","canonical_record":{"source":{"id":"1401.4072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-16T16:07:13Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"86cb04754348bdf51fb53b3cdd4e2c4146383cd3da46c44e1d5b4341de32d3e6","abstract_canon_sha256":"31afc15295b46dbbbbe6a8ad1774758eeab6624621bf5e4be5c6903c10062d63"},"schema_version":"1.0"},"canonical_sha256":"defd00481e3f450285b28d74c6c925b0052eefc3bc00c431c5cc35c09e9e6b5c","source":{"kind":"arxiv","id":"1401.4072","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4072","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4072v1","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4072","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"pith_short_12","alias_value":"336QASA6H5CQ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"336QASA6H5CQFBNS","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"336QASA6","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:336QASA6H5CQFBNSRV2MNSJFWA","target":"record","payload":{"canonical_record":{"source":{"id":"1401.4072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-16T16:07:13Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"86cb04754348bdf51fb53b3cdd4e2c4146383cd3da46c44e1d5b4341de32d3e6","abstract_canon_sha256":"31afc15295b46dbbbbe6a8ad1774758eeab6624621bf5e4be5c6903c10062d63"},"schema_version":"1.0"},"canonical_sha256":"defd00481e3f450285b28d74c6c925b0052eefc3bc00c431c5cc35c09e9e6b5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:57.252678Z","signature_b64":"e6H5m1vJHkaAGZiEpHBV57s9H6mEiSPNwtK46qaA72wEHDReJ1WYf5XRcMiBaCw4mXXIYfT+F5K1ebcz+n2ECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"defd00481e3f450285b28d74c6c925b0052eefc3bc00c431c5cc35c09e9e6b5c","last_reissued_at":"2026-05-18T03:01:57.251779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:57.251779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.4072","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":"2026-05-18T03:01:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FQ978I72Az4yTSBClw4gOKUuDOPZzP+PaNtgEncS6cLLZIKEVTOUELgL5FIxZ4vvSq0mApG5hzB6qRQl1oA9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:04:38.340762Z"},"content_sha256":"2ed92a51c96c9cd54388b8e5de1a9431e2cce7a828a5605b17414b21e4e899fc","schema_version":"1.0","event_id":"sha256:2ed92a51c96c9cd54388b8e5de1a9431e2cce7a828a5605b17414b21e4e899fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:336QASA6H5CQFBNSRV2MNSJFWA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature-dependent electron-phonon coupling in La$_{2-x}$Sr$_x$CuO$_4$ probed by femtosecond X-ray diffraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"B. Mansart, C.J. Milne, E. Pomjakushina, F. Carbone, G.F. Mancini, G. Ingold, H. M. R{\\o}nnow, J.A. Johnson, K. Conder, K. Prsa, M. Chergui, M.J.G. Cottet, P. Beaud, S.B. Dugdale, S. Gr\\\"ubel, S.L. Johnson, S.O. Mariager, T. Jarlborg, T. Kubacka","submitted_at":"2014-01-16T16:07:13Z","abstract_excerpt":"The strength of the electron-phonon coupling parameter and its evolution throughout a solid's phase diagram often determines phenomena such as superconductivity, charge- and spin-density waves. Its experimental determination relies on the ability to distinguish thermally activated phonons from those emitted by conduction band electrons, which can be achieved in an elegant way by ultrafast techniques. Separating the electronic from the out-of-equilibrium lattice subsystems, we probed their re-equilibration by monitoring the transient lattice temperature through femtosecond X-ray diffraction in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4072","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":"2026-05-18T03:01:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wgTjZiObNBUSvSaXfV+ovHi/tMaWTNy+XvsHA+QLzv9Gpx9+EpSkj15ciWq3Mege4x2jKd8BaRLRMWn+I7gMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:04:38.341368Z"},"content_sha256":"50bc83354db78fa78dd5cc483504b63e6eb3a37c04fe2189d8e9a5678e817a30","schema_version":"1.0","event_id":"sha256:50bc83354db78fa78dd5cc483504b63e6eb3a37c04fe2189d8e9a5678e817a30"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/336QASA6H5CQFBNSRV2MNSJFWA/bundle.json","state_url":"https://pith.science/pith/336QASA6H5CQFBNSRV2MNSJFWA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/336QASA6H5CQFBNSRV2MNSJFWA/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":"2026-06-05T17:04:38Z","links":{"resolver":"https://pith.science/pith/336QASA6H5CQFBNSRV2MNSJFWA","bundle":"https://pith.science/pith/336QASA6H5CQFBNSRV2MNSJFWA/bundle.json","state":"https://pith.science/pith/336QASA6H5CQFBNSRV2MNSJFWA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/336QASA6H5CQFBNSRV2MNSJFWA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:336QASA6H5CQFBNSRV2MNSJFWA","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":"31afc15295b46dbbbbe6a8ad1774758eeab6624621bf5e4be5c6903c10062d63","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-16T16:07:13Z","title_canon_sha256":"86cb04754348bdf51fb53b3cdd4e2c4146383cd3da46c44e1d5b4341de32d3e6"},"schema_version":"1.0","source":{"id":"1401.4072","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4072","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4072v1","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4072","created_at":"2026-05-18T03:01:57Z"},{"alias_kind":"pith_short_12","alias_value":"336QASA6H5CQ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"336QASA6H5CQFBNS","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"336QASA6","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:50bc83354db78fa78dd5cc483504b63e6eb3a37c04fe2189d8e9a5678e817a30","target":"graph","created_at":"2026-05-18T03:01:57Z","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 strength of the electron-phonon coupling parameter and its evolution throughout a solid's phase diagram often determines phenomena such as superconductivity, charge- and spin-density waves. Its experimental determination relies on the ability to distinguish thermally activated phonons from those emitted by conduction band electrons, which can be achieved in an elegant way by ultrafast techniques. Separating the electronic from the out-of-equilibrium lattice subsystems, we probed their re-equilibration by monitoring the transient lattice temperature through femtosecond X-ray diffraction in ","authors_text":"B. Mansart, C.J. Milne, E. Pomjakushina, F. Carbone, G.F. Mancini, G. Ingold, H. M. R{\\o}nnow, J.A. Johnson, K. Conder, K. Prsa, M. Chergui, M.J.G. Cottet, P. Beaud, S.B. Dugdale, S. Gr\\\"ubel, S.L. Johnson, S.O. Mariager, T. Jarlborg, T. Kubacka","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-16T16:07:13Z","title":"Temperature-dependent electron-phonon coupling in La$_{2-x}$Sr$_x$CuO$_4$ probed by femtosecond X-ray diffraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4072","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":"sha256:2ed92a51c96c9cd54388b8e5de1a9431e2cce7a828a5605b17414b21e4e899fc","target":"record","created_at":"2026-05-18T03:01:57Z","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":"31afc15295b46dbbbbe6a8ad1774758eeab6624621bf5e4be5c6903c10062d63","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-16T16:07:13Z","title_canon_sha256":"86cb04754348bdf51fb53b3cdd4e2c4146383cd3da46c44e1d5b4341de32d3e6"},"schema_version":"1.0","source":{"id":"1401.4072","kind":"arxiv","version":1}},"canonical_sha256":"defd00481e3f450285b28d74c6c925b0052eefc3bc00c431c5cc35c09e9e6b5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"defd00481e3f450285b28d74c6c925b0052eefc3bc00c431c5cc35c09e9e6b5c","first_computed_at":"2026-05-18T03:01:57.251779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:57.251779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e6H5m1vJHkaAGZiEpHBV57s9H6mEiSPNwtK46qaA72wEHDReJ1WYf5XRcMiBaCw4mXXIYfT+F5K1ebcz+n2ECg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:57.252678Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.4072","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ed92a51c96c9cd54388b8e5de1a9431e2cce7a828a5605b17414b21e4e899fc","sha256:50bc83354db78fa78dd5cc483504b63e6eb3a37c04fe2189d8e9a5678e817a30"],"state_sha256":"8d30ae2cb8b11c89ce4bd616725dfdb0fa633a1d5ab124fa56823b595d916bfe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jH5TCHZ2wOrhfnEpT98I4zx/qmDOVfypuhwB9P+0gHLgP1DgdfnUymzfkxbZc6O3DYPO0BItK7bUq/1fiUfLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T17:04:38.344882Z","bundle_sha256":"3883d5e625bf4b6fea242b4577cd63530d5b49811947d7c041d3f8ce3f1dc316"}}