{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:EAFUDIBLEUKXBSCOVQWRZUANCM","short_pith_number":"pith:EAFUDIBL","canonical_record":{"source":{"id":"2006.10482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-18T12:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"81a3464c007d2a902a7fb59a1bcd650f3db8c64edce6ff9b33334e91739e0d5d","abstract_canon_sha256":"d1b00cd4481dcc90c0b9d3ab8b8146ae5a59cc8a461f593e4f882a52cafe55d0"},"schema_version":"1.0"},"canonical_sha256":"200b41a02b251570c84eac2d1cd00d13065cf611dfdb68e9693246ec37b5112e","source":{"kind":"arxiv","id":"2006.10482","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10482","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10482v1","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10482","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_12","alias_value":"EAFUDIBLEUKX","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_16","alias_value":"EAFUDIBLEUKXBSCO","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_8","alias_value":"EAFUDIBL","created_at":"2026-07-05T01:11:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:EAFUDIBLEUKXBSCOVQWRZUANCM","target":"record","payload":{"canonical_record":{"source":{"id":"2006.10482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-18T12:53:19Z","cross_cats_sorted":[],"title_canon_sha256":"81a3464c007d2a902a7fb59a1bcd650f3db8c64edce6ff9b33334e91739e0d5d","abstract_canon_sha256":"d1b00cd4481dcc90c0b9d3ab8b8146ae5a59cc8a461f593e4f882a52cafe55d0"},"schema_version":"1.0"},"canonical_sha256":"200b41a02b251570c84eac2d1cd00d13065cf611dfdb68e9693246ec37b5112e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:11:18.606567Z","signature_b64":"DtpcAFyaSAJ0LswFNzZ6QXm96ewkvBhng91lNDXm7+WvLqOPeftnuFnykdgHa0SsLNowmNHdX93s1J+QWQABAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"200b41a02b251570c84eac2d1cd00d13065cf611dfdb68e9693246ec37b5112e","last_reissued_at":"2026-07-05T01:11:18.606134Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:11:18.606134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.10482","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":"2026-07-05T01:11:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qPmSgIQUmOlgr27ulvFxvmHFMQ3Seif9D+EP4uvXDYX+s+jZEiP+Cy76N0e0gVYM7tv8x0soV3j3Qt3NrME1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:26:15.257941Z"},"content_sha256":"a63d726fdec78aa19e520c4c14304f96d9a8b638ec161a0614df12e92a05beb7","schema_version":"1.0","event_id":"sha256:a63d726fdec78aa19e520c4c14304f96d9a8b638ec161a0614df12e92a05beb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:EAFUDIBLEUKXBSCOVQWRZUANCM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular anchoring stabilizes low valence Ni(I)TPP on copper against thermally induced chemical changes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Albano Cossaro, Alberto Verdini, Alessandro Sala, Claus Michael Schneider, Erik Vesselli, Giovanni Comelli, Giovanni Zamborlini, Henning Maximilian Sturmeit, Iulia Cojocariu, Luca Floreano, Manuel Corva, Matteo Jugovac, Matus Stredansky, Mirko Cinchetti, Peter Puschnig, Stefania Moro, Vitaliy Feyer","submitted_at":"2020-06-18T12:53:19Z","abstract_excerpt":"Many applications of molecular layers deposited on metal surfaces, ranging from single-atom catalysis to on-surface magnetochemistry and biosensing, rely on the use of thermal cycles to regenerate the pristine properties of the system. Thus, understanding the microscopic origin behind the thermal stability of organic/metal interfaces is fundamental for engineering reliable organic-based devices. Here, we study nickel porphyrin molecules on a copper surface as an archetypal system containing a metal center whose oxidation state can be controlled through the interaction with the metal substrate."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10482","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/2006.10482/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":"2026-07-05T01:11:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZUpYRF70/U0WhzpLHlGcfxTy2S3XqNfM90q9xF2VToG2YLP5VaHhUCfIsLnP7Cppb0iHB1zoTWuDZeOyTVhbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:26:15.258334Z"},"content_sha256":"01b5da2f19e83d6400bb8daf1491673bd16b54f24ae1412baec055853d0cf86b","schema_version":"1.0","event_id":"sha256:01b5da2f19e83d6400bb8daf1491673bd16b54f24ae1412baec055853d0cf86b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/bundle.json","state_url":"https://pith.science/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/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":"2026-07-06T17:26:15Z","links":{"resolver":"https://pith.science/pith/EAFUDIBLEUKXBSCOVQWRZUANCM","bundle":"https://pith.science/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/bundle.json","state":"https://pith.science/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EAFUDIBLEUKXBSCOVQWRZUANCM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:EAFUDIBLEUKXBSCOVQWRZUANCM","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":"d1b00cd4481dcc90c0b9d3ab8b8146ae5a59cc8a461f593e4f882a52cafe55d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-18T12:53:19Z","title_canon_sha256":"81a3464c007d2a902a7fb59a1bcd650f3db8c64edce6ff9b33334e91739e0d5d"},"schema_version":"1.0","source":{"id":"2006.10482","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10482","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10482v1","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10482","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_12","alias_value":"EAFUDIBLEUKX","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_16","alias_value":"EAFUDIBLEUKXBSCO","created_at":"2026-07-05T01:11:18Z"},{"alias_kind":"pith_short_8","alias_value":"EAFUDIBL","created_at":"2026-07-05T01:11:18Z"}],"graph_snapshots":[{"event_id":"sha256:01b5da2f19e83d6400bb8daf1491673bd16b54f24ae1412baec055853d0cf86b","target":"graph","created_at":"2026-07-05T01:11:18Z","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/2006.10482/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many applications of molecular layers deposited on metal surfaces, ranging from single-atom catalysis to on-surface magnetochemistry and biosensing, rely on the use of thermal cycles to regenerate the pristine properties of the system. Thus, understanding the microscopic origin behind the thermal stability of organic/metal interfaces is fundamental for engineering reliable organic-based devices. Here, we study nickel porphyrin molecules on a copper surface as an archetypal system containing a metal center whose oxidation state can be controlled through the interaction with the metal substrate.","authors_text":"Albano Cossaro, Alberto Verdini, Alessandro Sala, Claus Michael Schneider, Erik Vesselli, Giovanni Comelli, Giovanni Zamborlini, Henning Maximilian Sturmeit, Iulia Cojocariu, Luca Floreano, Manuel Corva, Matteo Jugovac, Matus Stredansky, Mirko Cinchetti, Peter Puschnig, Stefania Moro, Vitaliy Feyer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-18T12:53:19Z","title":"Molecular anchoring stabilizes low valence Ni(I)TPP on copper against thermally induced chemical changes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10482","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:a63d726fdec78aa19e520c4c14304f96d9a8b638ec161a0614df12e92a05beb7","target":"record","created_at":"2026-07-05T01:11:18Z","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":"d1b00cd4481dcc90c0b9d3ab8b8146ae5a59cc8a461f593e4f882a52cafe55d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-18T12:53:19Z","title_canon_sha256":"81a3464c007d2a902a7fb59a1bcd650f3db8c64edce6ff9b33334e91739e0d5d"},"schema_version":"1.0","source":{"id":"2006.10482","kind":"arxiv","version":1}},"canonical_sha256":"200b41a02b251570c84eac2d1cd00d13065cf611dfdb68e9693246ec37b5112e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"200b41a02b251570c84eac2d1cd00d13065cf611dfdb68e9693246ec37b5112e","first_computed_at":"2026-07-05T01:11:18.606134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:11:18.606134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DtpcAFyaSAJ0LswFNzZ6QXm96ewkvBhng91lNDXm7+WvLqOPeftnuFnykdgHa0SsLNowmNHdX93s1J+QWQABAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:11:18.606567Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.10482","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a63d726fdec78aa19e520c4c14304f96d9a8b638ec161a0614df12e92a05beb7","sha256:01b5da2f19e83d6400bb8daf1491673bd16b54f24ae1412baec055853d0cf86b"],"state_sha256":"2485077b17f86316a8a1d8498c4e42fb3d4aa8422b882fc9db20d94698171055"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iteqdjhjIUeIVrKj+WT8VRIMT0YCsShCzrjaIzqmBa4P4IpLbvlEYxr5xzPrvE3AkB6d6n6/TeXZdyXbfhb0DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:26:15.260500Z","bundle_sha256":"745988735f39de092e0deb24fdb8007d922f06f0287e6816224c9e1d9668c3a3"}}