{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:BMWPMF4RTE54MNVTESEK35EYT2","short_pith_number":"pith:BMWPMF4R","schema_version":"1.0","canonical_sha256":"0b2cf61791993bc636b32488adf4989eb7d2f7bfcab8397eb93218e4acf1b3d6","source":{"kind":"arxiv","id":"2212.09872","version":1},"attestation_state":"computed","paper":{"title":"On-surface synthesis and evolution of self-assembled poly($p$-phenylene) chains on Ag(111): a joint experimental and theoretical study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alberto Zobelli, Andrea Basagni, Dimas G. de Oteyza, Francesco de Boni, Francesco Sedona, Luciano Colazzo, Mauro Sambi, Stefano Casalini, Viktoria V. Ivanovskaya","submitted_at":"2022-12-19T21:49:43Z","abstract_excerpt":"The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend on the employed substrate. Whereas this process has been extensively studied on gold, less work has been dedicated to silver surfaces, which have a rather different catalytic activity. In this work, we present an experimental and theoretical investigation of the growth of poly-$p$-phenylene (PPP) chains and subsequent narrow graphene ribbons starting from 4,4''-dibromo-$p$-terphenyl molecular precursors deposited at "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2212.09872","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-19T21:49:43Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8de07fd349ad4a970e97ccf84a4adc2c7a2e8322b49e5ff8743d4a041cd3da55","abstract_canon_sha256":"a49f27a5f0b93fc0da159b0c50d3eb9e440d7ccf484526a6296dced45799135c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:58:56.138879Z","signature_b64":"3AI90Au37UHsLnq7sEW1CT213HOHMn/cILvlM54pa2Mwh9mcaXOCUqQSZoJgCKcIeSvCna86GJ0KnfO6U+ffBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b2cf61791993bc636b32488adf4989eb7d2f7bfcab8397eb93218e4acf1b3d6","last_reissued_at":"2026-07-05T09:58:56.138437Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:58:56.138437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On-surface synthesis and evolution of self-assembled poly($p$-phenylene) chains on Ag(111): a joint experimental and theoretical study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alberto Zobelli, Andrea Basagni, Dimas G. de Oteyza, Francesco de Boni, Francesco Sedona, Luciano Colazzo, Mauro Sambi, Stefano Casalini, Viktoria V. Ivanovskaya","submitted_at":"2022-12-19T21:49:43Z","abstract_excerpt":"The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend on the employed substrate. Whereas this process has been extensively studied on gold, less work has been dedicated to silver surfaces, which have a rather different catalytic activity. In this work, we present an experimental and theoretical investigation of the growth of poly-$p$-phenylene (PPP) chains and subsequent narrow graphene ribbons starting from 4,4''-dibromo-$p$-terphenyl molecular precursors deposited at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.09872","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/2212.09872/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2212.09872","created_at":"2026-07-05T09:58:56.138494+00:00"},{"alias_kind":"arxiv_version","alias_value":"2212.09872v1","created_at":"2026-07-05T09:58:56.138494+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.09872","created_at":"2026-07-05T09:58:56.138494+00:00"},{"alias_kind":"pith_short_12","alias_value":"BMWPMF4RTE54","created_at":"2026-07-05T09:58:56.138494+00:00"},{"alias_kind":"pith_short_16","alias_value":"BMWPMF4RTE54MNVT","created_at":"2026-07-05T09:58:56.138494+00:00"},{"alias_kind":"pith_short_8","alias_value":"BMWPMF4R","created_at":"2026-07-05T09:58:56.138494+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2","json":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2.json","graph_json":"https://pith.science/api/pith-number/BMWPMF4RTE54MNVTESEK35EYT2/graph.json","events_json":"https://pith.science/api/pith-number/BMWPMF4RTE54MNVTESEK35EYT2/events.json","paper":"https://pith.science/paper/BMWPMF4R"},"agent_actions":{"view_html":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2","download_json":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2.json","view_paper":"https://pith.science/paper/BMWPMF4R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2212.09872&json=true","fetch_graph":"https://pith.science/api/pith-number/BMWPMF4RTE54MNVTESEK35EYT2/graph.json","fetch_events":"https://pith.science/api/pith-number/BMWPMF4RTE54MNVTESEK35EYT2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2/action/storage_attestation","attest_author":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2/action/author_attestation","sign_citation":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2/action/citation_signature","submit_replication":"https://pith.science/pith/BMWPMF4RTE54MNVTESEK35EYT2/action/replication_record"}},"created_at":"2026-07-05T09:58:56.138494+00:00","updated_at":"2026-07-05T09:58:56.138494+00:00"}