{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C2TTTZ25H2D74BCMLRUDB6O57P","short_pith_number":"pith:C2TTTZ25","canonical_record":{"source":{"id":"1512.01987","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-12-07T11:30:18Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fa5ae7f4348447b5adba40ffdac00a413c68807a2d426a7072ab47dd81a39838","abstract_canon_sha256":"a81ec7c03dd3400570b305edb209a33ee6793f1d9bbbb1e064ea8348f1f43ecd"},"schema_version":"1.0"},"canonical_sha256":"16a739e75d3e87fe044c5c6830f9ddfbdbb7e9c3b13541bd4fabc3952a69c92f","source":{"kind":"arxiv","id":"1512.01987","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01987","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01987v1","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01987","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"pith_short_12","alias_value":"C2TTTZ25H2D7","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2TTTZ25H2D74BCM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2TTTZ25","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C2TTTZ25H2D74BCMLRUDB6O57P","target":"record","payload":{"canonical_record":{"source":{"id":"1512.01987","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-12-07T11:30:18Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fa5ae7f4348447b5adba40ffdac00a413c68807a2d426a7072ab47dd81a39838","abstract_canon_sha256":"a81ec7c03dd3400570b305edb209a33ee6793f1d9bbbb1e064ea8348f1f43ecd"},"schema_version":"1.0"},"canonical_sha256":"16a739e75d3e87fe044c5c6830f9ddfbdbb7e9c3b13541bd4fabc3952a69c92f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:24.525520Z","signature_b64":"gU0HczD1LFgHZ2kIwfcw4fDOccIIWjzThqaNB3MYoFSyytxdp0C2gvi5UcxOk+k+T2Jzk65XH0hpfNdV7cIsBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16a739e75d3e87fe044c5c6830f9ddfbdbb7e9c3b13541bd4fabc3952a69c92f","last_reissued_at":"2026-05-18T01:06:24.525071Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:24.525071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.01987","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":"2026-05-18T01:06:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0iHMU+gd7AZAkzQrimSqW37L35UBqmvcTlz5h72YqV6AlZrv16v2ptiodzcSw/A3QF2+01uORIwAdVAgXn7UAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T05:04:32.098738Z"},"content_sha256":"9c7e3ac9def19a1cddcbfe57f7b5a2595f145e1922ce6321626dea1e98c355ae","schema_version":"1.0","event_id":"sha256:9c7e3ac9def19a1cddcbfe57f7b5a2595f145e1922ce6321626dea1e98c355ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C2TTTZ25H2D74BCMLRUDB6O57P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interfacial charge rearrangement and intermolecular interactions: Density-functional theory study of free-base porphine adsorbed on Ag(111) and Cu(111)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.chem-ph","authors_text":"Karsten Reuter, Katharina Diller, Moritz M\\\"uller, Reinhard J. Maurer","submitted_at":"2015-12-07T11:30:18Z","abstract_excerpt":"We employ dispersion-corrected density-functional theory to study the adsorption of tetrapyrrole 2H-porphine (2H-P) at Cu(111) and Ag(111). Various contributions to adsorbate-substrate and adsorbate-adsorbate interactions are systematically extracted to analyze the self-assembly behavior of this basic building block to porphyrin-based metal-organic nanostructures. This analysis reveals a surprising importance of substrate-mediated van der Waals interactions between 2H-P molecules, in contrast to negligible direct dispersive interactions. The resulting net repulsive interactions rationalize the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01987","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":""},"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":"2026-05-18T01:06:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZBHCndtjQRPhsXd7AreR6BiiOBqei4CBWkUKY5/MY/iZOTMX+vxdlVpu3mZ2xsOkSTOHt6qS5F3G/3FHVIBWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T05:04:32.099088Z"},"content_sha256":"07b671f8cb3448e58f8afaa962595a040c8de3bf27550480665bee4328e5326c","schema_version":"1.0","event_id":"sha256:07b671f8cb3448e58f8afaa962595a040c8de3bf27550480665bee4328e5326c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2TTTZ25H2D74BCMLRUDB6O57P/bundle.json","state_url":"https://pith.science/pith/C2TTTZ25H2D74BCMLRUDB6O57P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2TTTZ25H2D74BCMLRUDB6O57P/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":"2026-05-21T05:04:32Z","links":{"resolver":"https://pith.science/pith/C2TTTZ25H2D74BCMLRUDB6O57P","bundle":"https://pith.science/pith/C2TTTZ25H2D74BCMLRUDB6O57P/bundle.json","state":"https://pith.science/pith/C2TTTZ25H2D74BCMLRUDB6O57P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2TTTZ25H2D74BCMLRUDB6O57P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C2TTTZ25H2D74BCMLRUDB6O57P","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":"a81ec7c03dd3400570b305edb209a33ee6793f1d9bbbb1e064ea8348f1f43ecd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-12-07T11:30:18Z","title_canon_sha256":"fa5ae7f4348447b5adba40ffdac00a413c68807a2d426a7072ab47dd81a39838"},"schema_version":"1.0","source":{"id":"1512.01987","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01987","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01987v1","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01987","created_at":"2026-05-18T01:06:24Z"},{"alias_kind":"pith_short_12","alias_value":"C2TTTZ25H2D7","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2TTTZ25H2D74BCM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2TTTZ25","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:07b671f8cb3448e58f8afaa962595a040c8de3bf27550480665bee4328e5326c","target":"graph","created_at":"2026-05-18T01:06:24Z","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 employ dispersion-corrected density-functional theory to study the adsorption of tetrapyrrole 2H-porphine (2H-P) at Cu(111) and Ag(111). Various contributions to adsorbate-substrate and adsorbate-adsorbate interactions are systematically extracted to analyze the self-assembly behavior of this basic building block to porphyrin-based metal-organic nanostructures. This analysis reveals a surprising importance of substrate-mediated van der Waals interactions between 2H-P molecules, in contrast to negligible direct dispersive interactions. The resulting net repulsive interactions rationalize the","authors_text":"Karsten Reuter, Katharina Diller, Moritz M\\\"uller, Reinhard J. Maurer","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-12-07T11:30:18Z","title":"Interfacial charge rearrangement and intermolecular interactions: Density-functional theory study of free-base porphine adsorbed on Ag(111) and Cu(111)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01987","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":"sha256:9c7e3ac9def19a1cddcbfe57f7b5a2595f145e1922ce6321626dea1e98c355ae","target":"record","created_at":"2026-05-18T01:06:24Z","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":"a81ec7c03dd3400570b305edb209a33ee6793f1d9bbbb1e064ea8348f1f43ecd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-12-07T11:30:18Z","title_canon_sha256":"fa5ae7f4348447b5adba40ffdac00a413c68807a2d426a7072ab47dd81a39838"},"schema_version":"1.0","source":{"id":"1512.01987","kind":"arxiv","version":1}},"canonical_sha256":"16a739e75d3e87fe044c5c6830f9ddfbdbb7e9c3b13541bd4fabc3952a69c92f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16a739e75d3e87fe044c5c6830f9ddfbdbb7e9c3b13541bd4fabc3952a69c92f","first_computed_at":"2026-05-18T01:06:24.525071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:24.525071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gU0HczD1LFgHZ2kIwfcw4fDOccIIWjzThqaNB3MYoFSyytxdp0C2gvi5UcxOk+k+T2Jzk65XH0hpfNdV7cIsBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:24.525520Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.01987","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c7e3ac9def19a1cddcbfe57f7b5a2595f145e1922ce6321626dea1e98c355ae","sha256:07b671f8cb3448e58f8afaa962595a040c8de3bf27550480665bee4328e5326c"],"state_sha256":"f585a85d82ffc751bfff0c060d1cc97be0d6ceefb4bb019a71f6d5432e2d0b2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x6Svw6+hVYyDadR7PzFLoZ80lx7ATMkE1GAYg6zt3yFHZBfyu9jAk9t/jnKS/mPTTTyo5GF8JnYdP34dMLbEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T05:04:32.101115Z","bundle_sha256":"d695d9772fefb5819750b18ee768d0614a4cd381fbefb6d998598c1d24ac93c4"}}