{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PNAGEHIU43SED7EGFZ3SOCAZAK","short_pith_number":"pith:PNAGEHIU","canonical_record":{"source":{"id":"1812.06006","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-14T16:22:03Z","cross_cats_sorted":[],"title_canon_sha256":"59033ab70b6249c53a3960eab6aca8b609643dd40e609bae261a59c30d93cb49","abstract_canon_sha256":"e40476de4d606faf2b196cb03125cfe81432632e4ebf3945df8529df10fa9989"},"schema_version":"1.0"},"canonical_sha256":"7b40621d14e6e441fc862e7727081902b4d4e2b240b6832a59255518f14086aa","source":{"kind":"arxiv","id":"1812.06006","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06006","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06006v2","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06006","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"pith_short_12","alias_value":"PNAGEHIU43SE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PNAGEHIU43SED7EG","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PNAGEHIU","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PNAGEHIU43SED7EGFZ3SOCAZAK","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06006","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-14T16:22:03Z","cross_cats_sorted":[],"title_canon_sha256":"59033ab70b6249c53a3960eab6aca8b609643dd40e609bae261a59c30d93cb49","abstract_canon_sha256":"e40476de4d606faf2b196cb03125cfe81432632e4ebf3945df8529df10fa9989"},"schema_version":"1.0"},"canonical_sha256":"7b40621d14e6e441fc862e7727081902b4d4e2b240b6832a59255518f14086aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:06.301056Z","signature_b64":"yDgjMaJMhGRzlk8vS8PKObnWsNwx+pswnlwt43g3R2vMmcbtKOAqv1V6ZYXtvBvWBT9w4nF1hCLMuFRgOWsDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b40621d14e6e441fc862e7727081902b4d4e2b240b6832a59255518f14086aa","last_reissued_at":"2026-05-17T23:48:06.300712Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:06.300712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06006","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":"2026-05-17T23:48:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rzdRGHcDD2tsfNUbAiXxWqY6pXhtX86ll3TrAWm4nDf2JdWwMLOkYXWtWvyAzFPSmwTAHNqRB3rYDq7C8KvFCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:14:13.791943Z"},"content_sha256":"26dcfadf18def17e586be8d8b245d7eb79f641b39cea4ed56274201c53aece05","schema_version":"1.0","event_id":"sha256:26dcfadf18def17e586be8d8b245d7eb79f641b39cea4ed56274201c53aece05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PNAGEHIU43SED7EGFZ3SOCAZAK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isospin-phonon coupling and Fano-interference in spin-orbit Mott insulator Sr2IrO4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Danilo Rigitano, Eduardo Granado, Kousik Samanta, Pascoal Jose Giglio Pagliuso","submitted_at":"2018-12-14T16:22:03Z","abstract_excerpt":"The isospin-phonon coupling in Sr2IrO4 is investigated by temperature dependent phonon Raman scattering. Anomalous behavior in the frequency of all studied optical phonons is observed below the magnetic transition temperature TN ~240 K. The strongest effect is detected for the A1g mode at 272 cm-1 associated with the modulation of the Ir-O-Ir bond angle. Additionally, the A1g mode at 560 cm-1 shows a Fano asymmetric lineshape sensitive to TN, supporting the existence of low-energy (~70 meV) electronic excitations that are renormalized by the magnetic order. These results reveal new aspects of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06006","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":""},"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":"2026-05-17T23:48:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xPNJuuPaR6Cbiy6GBRFwz0es8zjzrDHoYVQ3Glzy0hSBluKvHx2aT3fPJ+7uSpuJlJs/j2GOGNfBO9QORHZLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:14:13.792567Z"},"content_sha256":"b7d15930b7b70d6b6b36fbe4dae681b0ac8c9fd9fc7fd7d5664a2f9a267e5eaf","schema_version":"1.0","event_id":"sha256:b7d15930b7b70d6b6b36fbe4dae681b0ac8c9fd9fc7fd7d5664a2f9a267e5eaf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/bundle.json","state_url":"https://pith.science/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/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":"2026-06-30T04:14:13Z","links":{"resolver":"https://pith.science/pith/PNAGEHIU43SED7EGFZ3SOCAZAK","bundle":"https://pith.science/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/bundle.json","state":"https://pith.science/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PNAGEHIU43SED7EGFZ3SOCAZAK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PNAGEHIU43SED7EGFZ3SOCAZAK","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":"e40476de4d606faf2b196cb03125cfe81432632e4ebf3945df8529df10fa9989","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-14T16:22:03Z","title_canon_sha256":"59033ab70b6249c53a3960eab6aca8b609643dd40e609bae261a59c30d93cb49"},"schema_version":"1.0","source":{"id":"1812.06006","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06006","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06006v2","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06006","created_at":"2026-05-17T23:48:06Z"},{"alias_kind":"pith_short_12","alias_value":"PNAGEHIU43SE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PNAGEHIU43SED7EG","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PNAGEHIU","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:b7d15930b7b70d6b6b36fbe4dae681b0ac8c9fd9fc7fd7d5664a2f9a267e5eaf","target":"graph","created_at":"2026-05-17T23:48:06Z","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 isospin-phonon coupling in Sr2IrO4 is investigated by temperature dependent phonon Raman scattering. Anomalous behavior in the frequency of all studied optical phonons is observed below the magnetic transition temperature TN ~240 K. The strongest effect is detected for the A1g mode at 272 cm-1 associated with the modulation of the Ir-O-Ir bond angle. Additionally, the A1g mode at 560 cm-1 shows a Fano asymmetric lineshape sensitive to TN, supporting the existence of low-energy (~70 meV) electronic excitations that are renormalized by the magnetic order. These results reveal new aspects of ","authors_text":"Danilo Rigitano, Eduardo Granado, Kousik Samanta, Pascoal Jose Giglio Pagliuso","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-14T16:22:03Z","title":"Isospin-phonon coupling and Fano-interference in spin-orbit Mott insulator Sr2IrO4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06006","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":"sha256:26dcfadf18def17e586be8d8b245d7eb79f641b39cea4ed56274201c53aece05","target":"record","created_at":"2026-05-17T23:48:06Z","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":"e40476de4d606faf2b196cb03125cfe81432632e4ebf3945df8529df10fa9989","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-14T16:22:03Z","title_canon_sha256":"59033ab70b6249c53a3960eab6aca8b609643dd40e609bae261a59c30d93cb49"},"schema_version":"1.0","source":{"id":"1812.06006","kind":"arxiv","version":2}},"canonical_sha256":"7b40621d14e6e441fc862e7727081902b4d4e2b240b6832a59255518f14086aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b40621d14e6e441fc862e7727081902b4d4e2b240b6832a59255518f14086aa","first_computed_at":"2026-05-17T23:48:06.300712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:06.300712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yDgjMaJMhGRzlk8vS8PKObnWsNwx+pswnlwt43g3R2vMmcbtKOAqv1V6ZYXtvBvWBT9w4nF1hCLMuFRgOWsDCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:06.301056Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06006","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26dcfadf18def17e586be8d8b245d7eb79f641b39cea4ed56274201c53aece05","sha256:b7d15930b7b70d6b6b36fbe4dae681b0ac8c9fd9fc7fd7d5664a2f9a267e5eaf"],"state_sha256":"08ee4c80730ad7f64051297f28f8a3c10e6320942f432378e0652ef3ae5208f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jzXFckE4M9P7KlXfElOZ9jNdOOX2TjaFO30wy5LqNe7gKI8W7+U6P/yF6gYuzo6r/np41AQsNYb2qlcLAJAqAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:14:13.795599Z","bundle_sha256":"336a256af29969aa4e5643b7c1afcc2eff1d409124c3015506b2c25ba7077990"}}