{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:25ZU7ACCSTIPXMYSHITQBEJDMZ","short_pith_number":"pith:25ZU7ACC","canonical_record":{"source":{"id":"1503.08120","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-03-27T16:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"ffe551b9bdbeeda78b74f029530ccd0f99a31f4f32a1f299f6bd6bc6322ae939","abstract_canon_sha256":"c4c87914c71b9c6557c3cede725e8c25585d280fb3319306f427b7be357a4851"},"schema_version":"1.0"},"canonical_sha256":"d7734f804294d0fbb3123a27009123664d23d8eeec052f78061aa9fb76dea90c","source":{"kind":"arxiv","id":"1503.08120","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08120","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08120v2","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08120","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"pith_short_12","alias_value":"25ZU7ACCSTIP","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"25ZU7ACCSTIPXMYS","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"25ZU7ACC","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:25ZU7ACCSTIPXMYSHITQBEJDMZ","target":"record","payload":{"canonical_record":{"source":{"id":"1503.08120","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-03-27T16:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"ffe551b9bdbeeda78b74f029530ccd0f99a31f4f32a1f299f6bd6bc6322ae939","abstract_canon_sha256":"c4c87914c71b9c6557c3cede725e8c25585d280fb3319306f427b7be357a4851"},"schema_version":"1.0"},"canonical_sha256":"d7734f804294d0fbb3123a27009123664d23d8eeec052f78061aa9fb76dea90c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:43.686267Z","signature_b64":"d1jTBiyA48O1lH4LaY48JV92kkPIzgu+a5diIcSVoPcYTLgrves8ThIE3ur4sZ3g1v3DDRABQh1hBKQfq4xdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7734f804294d0fbb3123a27009123664d23d8eeec052f78061aa9fb76dea90c","last_reissued_at":"2026-05-18T01:33:43.685701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:43.685701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.08120","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":"2026-05-18T01:33:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CburIoiTA9LimU13/d56jpivvdF+HtJV5vb8Mh74wPXZAyhH1sZWDD0P7uBu5AxkOUUq9ClRMz0vjvP9rtAdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:57:28.786372Z"},"content_sha256":"8e8250217b1464016a8bd1cd034529fba1a07bbd1d82bb8c406ca15a5ba45e36","schema_version":"1.0","event_id":"sha256:8e8250217b1464016a8bd1cd034529fba1a07bbd1d82bb8c406ca15a5ba45e36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:25ZU7ACCSTIPXMYSHITQBEJDMZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transfer of spectral weight across the gap of Sr2IrO4 induced by La doping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. Piovera, F. Bertran, I. R. Fisher, I. Vobornik, J. Mansart, L. Perfetti, M. C. Shapiro, P. Giraldo-Gallo, P. Le F\\`evre, S. C. Riggs, V. Brouet","submitted_at":"2015-03-27T16:05:03Z","abstract_excerpt":"We study with Angle Resolved PhotoElectron Spectroscopy (ARPES) the evolution of the electronic structure of Sr2IrO4, when holes or electrons are introduced, through Rh or La substitutions. At low dopings, the added carriers occupy the first available states, at bottom or top of the gap, revealing an anisotropic gap of 0.7eV in good agreement with STM measurements. At further doping, we observe a reduction of the gap and a transfer of spectral weight across the gap, although the quasiparticle weight remains very small. We discuss the origin of the in-gap spectral weight as a local distribution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08120","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":"2026-05-18T01:33:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3J5i5GvqWbAtauIRa0Uuget9AePld8M0ymoFASR0OsSB+0vl+VFTbFcpuRokDJJiRSJ4S6kleZE5fB3PyOvfBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:57:28.787035Z"},"content_sha256":"e19098f54fd3e465d95261f249ebf23ba0b5b1a961f47a2c9bea46a704f3095a","schema_version":"1.0","event_id":"sha256:e19098f54fd3e465d95261f249ebf23ba0b5b1a961f47a2c9bea46a704f3095a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/bundle.json","state_url":"https://pith.science/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/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":"2026-05-25T20:57:28Z","links":{"resolver":"https://pith.science/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ","bundle":"https://pith.science/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/bundle.json","state":"https://pith.science/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/25ZU7ACCSTIPXMYSHITQBEJDMZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:25ZU7ACCSTIPXMYSHITQBEJDMZ","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":"c4c87914c71b9c6557c3cede725e8c25585d280fb3319306f427b7be357a4851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-03-27T16:05:03Z","title_canon_sha256":"ffe551b9bdbeeda78b74f029530ccd0f99a31f4f32a1f299f6bd6bc6322ae939"},"schema_version":"1.0","source":{"id":"1503.08120","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08120","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08120v2","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08120","created_at":"2026-05-18T01:33:43Z"},{"alias_kind":"pith_short_12","alias_value":"25ZU7ACCSTIP","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"25ZU7ACCSTIPXMYS","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"25ZU7ACC","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:e19098f54fd3e465d95261f249ebf23ba0b5b1a961f47a2c9bea46a704f3095a","target":"graph","created_at":"2026-05-18T01:33:43Z","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 study with Angle Resolved PhotoElectron Spectroscopy (ARPES) the evolution of the electronic structure of Sr2IrO4, when holes or electrons are introduced, through Rh or La substitutions. At low dopings, the added carriers occupy the first available states, at bottom or top of the gap, revealing an anisotropic gap of 0.7eV in good agreement with STM measurements. At further doping, we observe a reduction of the gap and a transfer of spectral weight across the gap, although the quasiparticle weight remains very small. We discuss the origin of the in-gap spectral weight as a local distribution","authors_text":"C. Piovera, F. Bertran, I. R. Fisher, I. Vobornik, J. Mansart, L. Perfetti, M. C. Shapiro, P. Giraldo-Gallo, P. Le F\\`evre, S. C. Riggs, V. Brouet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-03-27T16:05:03Z","title":"Transfer of spectral weight across the gap of Sr2IrO4 induced by La doping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08120","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":"sha256:8e8250217b1464016a8bd1cd034529fba1a07bbd1d82bb8c406ca15a5ba45e36","target":"record","created_at":"2026-05-18T01:33:43Z","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":"c4c87914c71b9c6557c3cede725e8c25585d280fb3319306f427b7be357a4851","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-03-27T16:05:03Z","title_canon_sha256":"ffe551b9bdbeeda78b74f029530ccd0f99a31f4f32a1f299f6bd6bc6322ae939"},"schema_version":"1.0","source":{"id":"1503.08120","kind":"arxiv","version":2}},"canonical_sha256":"d7734f804294d0fbb3123a27009123664d23d8eeec052f78061aa9fb76dea90c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7734f804294d0fbb3123a27009123664d23d8eeec052f78061aa9fb76dea90c","first_computed_at":"2026-05-18T01:33:43.685701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:43.685701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d1jTBiyA48O1lH4LaY48JV92kkPIzgu+a5diIcSVoPcYTLgrves8ThIE3ur4sZ3g1v3DDRABQh1hBKQfq4xdCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:43.686267Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08120","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e8250217b1464016a8bd1cd034529fba1a07bbd1d82bb8c406ca15a5ba45e36","sha256:e19098f54fd3e465d95261f249ebf23ba0b5b1a961f47a2c9bea46a704f3095a"],"state_sha256":"0677b6a93a93cad5769fdb3aa20c8bd0a820661ae61e8eae5fd19c50ab4fd8c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"by3Jw7Q9gWeR1YB3Nmz8uAw7/mrMFhZGj7xN950IWAQ7NpYpdtzRaAvwW3p4ppwTedp4MHGFwlEV9NEvcsSvBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:57:28.790716Z","bundle_sha256":"9552a9fdfc859aa4f38c1e14846049dceea75efef20dd4b988ed8d9b6241e77a"}}