{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:IDZEKVU5AYQBX6CEO7U6E52TLD","short_pith_number":"pith:IDZEKVU5","canonical_record":{"source":{"id":"2605.21285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-20T15:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"66c4f814c5501cb7ddb7ba3838fab0fda73ba8af247036c558975084979c23c2","abstract_canon_sha256":"ec7e94a9b47935fac90df7b2df22b38b36c8f81d34ee2c54fc28141ab1b49671"},"schema_version":"1.0"},"canonical_sha256":"40f245569d06201bf84477e9e2775358cebd63f21733126a9c1504b506ee0b25","source":{"kind":"arxiv","id":"2605.21285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21285","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21285v1","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21285","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"IDZEKVU5AYQB","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_16","alias_value":"IDZEKVU5AYQBX6CE","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_8","alias_value":"IDZEKVU5","created_at":"2026-05-21T02:05:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:IDZEKVU5AYQBX6CEO7U6E52TLD","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-20T15:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"66c4f814c5501cb7ddb7ba3838fab0fda73ba8af247036c558975084979c23c2","abstract_canon_sha256":"ec7e94a9b47935fac90df7b2df22b38b36c8f81d34ee2c54fc28141ab1b49671"},"schema_version":"1.0"},"canonical_sha256":"40f245569d06201bf84477e9e2775358cebd63f21733126a9c1504b506ee0b25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T02:05:27.134111Z","signature_b64":"FKAI6AlMSTSIxO3kT+po3xjy0x+GJDKHr+bczMtFpMyiMQr7w/hrOSKR+83cSsxmj/j0e9ehcEvklpKTzz0aAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40f245569d06201bf84477e9e2775358cebd63f21733126a9c1504b506ee0b25","last_reissued_at":"2026-05-21T02:05:27.133301Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T02:05:27.133301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21285","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":"2026-05-21T02:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LVjbfGA3v+vPrlu0LfXw5tmjrFqGO2v3Kets5Xo5uNkcpNKKX7LVNUp2sUc/MdUEU+XF7YqhPP7AmQ6yQVh4CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:51:41.783212Z"},"content_sha256":"28c2cd99981439725cc4ede7c26dbe8dd9191eb628af3d6929662b89f83dc159","schema_version":"1.0","event_id":"sha256:28c2cd99981439725cc4ede7c26dbe8dd9191eb628af3d6929662b89f83dc159"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:IDZEKVU5AYQBX6CEO7U6E52TLD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of Bi3+ ion substitution on the piezocatalytic degradation performance of lead-free BaTi0.89Sn0.11O3 at low vibrational energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"And Mimoun El Marssi, Bouchra Asbani, Daoud Mezzane Hana Ursic, Mbarek Amjoud, Mustapha Jouiad, Salma Touili, Sara Ghazi, Zdravko Kutnjak","submitted_at":"2026-05-20T15:17:56Z","abstract_excerpt":"Harnessing low ultrasonic vibration energy to drive piezocatalytic reactions has attracted increasing attention in response to current environmental and energy challenges. In this study, we investigate the effect of heterovalent bismuth doping on the piezocatalytic degradation of Rhodamine B (RhB) under low-power ultrasonic excitation.\n  Bismuth ions (Bi$^{3+}$) were substituted into the lead-free ferroelectric BaTi${0.89}$Sn${0.11}$O$_3$, yielding BTSn11-xBi with x = 0, 0.02, and 0.04. The powders were synthesized by the sol-gel method as submicron cubes.\n  The structural, morphological, opti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21285","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/2605.21285/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":"2026-05-21T02:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+dbniWiMp/XC6m3F8B/sKcIFrQyAkY8qRFcN8sOW6zQzm0K0fbM/Xr7cnuskprj/7knoH1BbUju7epY22nRaAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:51:41.783610Z"},"content_sha256":"4e7002ec5bf7a7f35200000c43a99568f112c310f4f9ef59f9c352f10d1df144","schema_version":"1.0","event_id":"sha256:4e7002ec5bf7a7f35200000c43a99568f112c310f4f9ef59f9c352f10d1df144"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:IDZEKVU5AYQBX6CEO7U6E52TLD","target":"integrity","payload":{"note":"DOI in the printed bibliography is fragmented by whitespace or line breaks. A longer candidate (10.1007/s10854-022-) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"M. Zahid, Y . Hadouch, M. Amjoud, D. Mezzane, M. Gouné, K. Hoummada, A. Alimoussa, A.G. Razumnaya, B. Rožič, Z. Kutnjak, Enhanced near -ambient temperature energy storage and electrocaloric effect in the lead -free BaTi0.89Sn0.11O3 ceramic ","arxiv_id":"2605.21285","detector":"doi_compliance","evidence":{"ref_index":15,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"M. Zahid, Y . Hadouch, M. Amjoud, D. Mezzane, M. Gouné, K. Hoummada, A. Alimoussa, A.G. Razumnaya, B. Rožič, Z. Kutnjak, Enhanced near -ambient temperature energy storage and electrocaloric effect in the lead -free BaTi0.89Sn0.11O3 ceramic ","reconstructed_doi":"10.1007/s10854-022-"},"severity":"advisory","ref_index":15,"audited_at":"2026-05-21T03:44:41.825529Z","event_type":"pith.integrity.v1","detected_doi":"10.1007/s10854-022-","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"4b41f4369ab9a944c3eb40bc3e1b8683ecd77bf1604ff3dd2551ea5ce9f7c44d","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null,"integrity_event_id":5644,"payload_sha256":"48ba63dfbe5194e751f515d5ea9f4bbc205408cbb06d253b483df9b42e23c1f7","signature_b64":"WDjfMNgLf8OJFcD4ba1JVcDmPyX6DnJq3v7d2cuSL2jeLTyrYKHnj1fJCbfWzfzEHNbgWl0rhSwkPkLMrvbdAg==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T03:48:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TdCMzXyztJxtiJhVgMA2VbbwouKFnEZcFHzE7QkyXHmfGuGVrSVDxXwzZULQ1phwXAW/NO4YSE9aCGAqRos0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:51:41.784571Z"},"content_sha256":"4b87202298cca550212e6cf5fbcb540454942da2e048766ac25fe737638a9f27","schema_version":"1.0","event_id":"sha256:4b87202298cca550212e6cf5fbcb540454942da2e048766ac25fe737638a9f27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/bundle.json","state_url":"https://pith.science/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/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":"2026-05-22T10:51:41Z","links":{"resolver":"https://pith.science/pith/IDZEKVU5AYQBX6CEO7U6E52TLD","bundle":"https://pith.science/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/bundle.json","state":"https://pith.science/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IDZEKVU5AYQBX6CEO7U6E52TLD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IDZEKVU5AYQBX6CEO7U6E52TLD","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ec7e94a9b47935fac90df7b2df22b38b36c8f81d34ee2c54fc28141ab1b49671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-20T15:17:56Z","title_canon_sha256":"66c4f814c5501cb7ddb7ba3838fab0fda73ba8af247036c558975084979c23c2"},"schema_version":"1.0","source":{"id":"2605.21285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21285","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21285v1","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21285","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"IDZEKVU5AYQB","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_16","alias_value":"IDZEKVU5AYQBX6CE","created_at":"2026-05-21T02:05:27Z"},{"alias_kind":"pith_short_8","alias_value":"IDZEKVU5","created_at":"2026-05-21T02:05:27Z"}],"graph_snapshots":[{"event_id":"sha256:4e7002ec5bf7a7f35200000c43a99568f112c310f4f9ef59f9c352f10d1df144","target":"graph","created_at":"2026-05-21T02:05:27Z","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/2605.21285/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Harnessing low ultrasonic vibration energy to drive piezocatalytic reactions has attracted increasing attention in response to current environmental and energy challenges. In this study, we investigate the effect of heterovalent bismuth doping on the piezocatalytic degradation of Rhodamine B (RhB) under low-power ultrasonic excitation.\n  Bismuth ions (Bi$^{3+}$) were substituted into the lead-free ferroelectric BaTi${0.89}$Sn${0.11}$O$_3$, yielding BTSn11-xBi with x = 0, 0.02, and 0.04. The powders were synthesized by the sol-gel method as submicron cubes.\n  The structural, morphological, opti","authors_text":"And Mimoun El Marssi, Bouchra Asbani, Daoud Mezzane Hana Ursic, Mbarek Amjoud, Mustapha Jouiad, Salma Touili, Sara Ghazi, Zdravko Kutnjak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-20T15:17:56Z","title":"Role of Bi3+ ion substitution on the piezocatalytic degradation performance of lead-free BaTi0.89Sn0.11O3 at low vibrational energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21285","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":"sha256:28c2cd99981439725cc4ede7c26dbe8dd9191eb628af3d6929662b89f83dc159","target":"record","created_at":"2026-05-21T02:05:27Z","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":"ec7e94a9b47935fac90df7b2df22b38b36c8f81d34ee2c54fc28141ab1b49671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-20T15:17:56Z","title_canon_sha256":"66c4f814c5501cb7ddb7ba3838fab0fda73ba8af247036c558975084979c23c2"},"schema_version":"1.0","source":{"id":"2605.21285","kind":"arxiv","version":1}},"canonical_sha256":"40f245569d06201bf84477e9e2775358cebd63f21733126a9c1504b506ee0b25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40f245569d06201bf84477e9e2775358cebd63f21733126a9c1504b506ee0b25","first_computed_at":"2026-05-21T02:05:27.133301Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T02:05:27.133301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FKAI6AlMSTSIxO3kT+po3xjy0x+GJDKHr+bczMtFpMyiMQr7w/hrOSKR+83cSsxmj/j0e9ehcEvklpKTzz0aAw==","signature_status":"signed_v1","signed_at":"2026-05-21T02:05:27.134111Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28c2cd99981439725cc4ede7c26dbe8dd9191eb628af3d6929662b89f83dc159","sha256:4e7002ec5bf7a7f35200000c43a99568f112c310f4f9ef59f9c352f10d1df144","sha256:4b87202298cca550212e6cf5fbcb540454942da2e048766ac25fe737638a9f27"],"state_sha256":"fa0f74372658698e97024b7640f63666809f849b429883b6046a020d1d62a840"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZkCN2kOJD+4PN9c24MhXlsPbbrv1+kBQcqGF3icloeIZbc5tbyN4+iAX+hSLX+wVl87r4Nqrj4CgHWhhAhU+Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T10:51:41.786888Z","bundle_sha256":"7133cc56fdc37000811399064266af6c6f7b621ea0bc9827ccb78444344f9ad9"}}