{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:X44OYAX6KLYJCLV5IYGHVI4FJN","short_pith_number":"pith:X44OYAX6","canonical_record":{"source":{"id":"2506.08207","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-09T20:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"6245051762db0ce7a1f35d45b4f7079d75fdd8ee2f0a40c30f477ca233a82ce0","abstract_canon_sha256":"d2903addeb7e92b8bbbdf08a6d17903892f33e66fbd5ec9826a76f4608e63592"},"schema_version":"1.0"},"canonical_sha256":"bf38ec02fe52f0912ebd460c7aa3854b7ac87797802982f7d6583d3426fd6524","source":{"kind":"arxiv","id":"2506.08207","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08207","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08207v1","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08207","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_12","alias_value":"X44OYAX6KLYJ","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_16","alias_value":"X44OYAX6KLYJCLV5","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_8","alias_value":"X44OYAX6","created_at":"2026-07-05T11:18:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:X44OYAX6KLYJCLV5IYGHVI4FJN","target":"record","payload":{"canonical_record":{"source":{"id":"2506.08207","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-09T20:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"6245051762db0ce7a1f35d45b4f7079d75fdd8ee2f0a40c30f477ca233a82ce0","abstract_canon_sha256":"d2903addeb7e92b8bbbdf08a6d17903892f33e66fbd5ec9826a76f4608e63592"},"schema_version":"1.0"},"canonical_sha256":"bf38ec02fe52f0912ebd460c7aa3854b7ac87797802982f7d6583d3426fd6524","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:46.267989Z","signature_b64":"5D3MiQDQE24NjHaCrhzC0NeA1d33tsyt4431um6U3Ed+z5XrQk9443Qr498ErGcSYNwggbVdm/xdHzkL9q3vAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf38ec02fe52f0912ebd460c7aa3854b7ac87797802982f7d6583d3426fd6524","last_reissued_at":"2026-07-05T11:18:46.267560Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:46.267560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.08207","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":"2026-07-05T11:18:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"swGNqTC3T+/llC8WwMfVGwLzVLqXLJOx9UFQvDEQvf6wDhsoby66U/VpAvN1/EP0be1HZiM9SvWEy4THOXv8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:56:00.889178Z"},"content_sha256":"5896a831b430b67861f40a6d25865d47d496d34cc647fcbaa7029113922bc4ae","schema_version":"1.0","event_id":"sha256:5896a831b430b67861f40a6d25865d47d496d34cc647fcbaa7029113922bc4ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:X44OYAX6KLYJCLV5IYGHVI4FJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dimerization of Ag adatoms on Si(100) at surprisingly low temperature due to adatom migration on top of Si-dimer rows","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alejandro Pe\\~na-Torres, Hannes J\\'onsson, Michail Stamatakis","submitted_at":"2025-06-09T20:28:32Z","abstract_excerpt":"The puzzling experimental observations of Ag addimer formation on the Si(100) surface upon vapor deposition at low temperature, even as low as 140 K, reported by Huang et al. [Phys. Chem. Chem. Phys. 2021, 23, 4161], is explained by facile thermal migration on top of the Si dimer rows, while diffusion is inactive once an Ag adatom lands in one of the optimal binding sites in between dimer rows. The previously hypothesized transient mobility due to the hot spot formed as an Ag atom lands on the Si surface is found not to contribute significantly to mobility and dimer formation. The experimental"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08207","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/2506.08207/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":"2026-07-05T11:18:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rBUUB5RiIyihLANMDOFdSQfw51uZtKtUZ7IvRCflLCBK8mo6MFdco4Xx3Tvdird/FUgXdYKurNEBa8qZD1AGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:56:00.890118Z"},"content_sha256":"8bd6fe618cb2669b3fe53629a83f63d2a9f2ab4e06c3bc4f58a9efb06394b39a","schema_version":"1.0","event_id":"sha256:8bd6fe618cb2669b3fe53629a83f63d2a9f2ab4e06c3bc4f58a9efb06394b39a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/bundle.json","state_url":"https://pith.science/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/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":"2026-08-03T15:56:00Z","links":{"resolver":"https://pith.science/pith/X44OYAX6KLYJCLV5IYGHVI4FJN","bundle":"https://pith.science/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/bundle.json","state":"https://pith.science/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X44OYAX6KLYJCLV5IYGHVI4FJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:X44OYAX6KLYJCLV5IYGHVI4FJN","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":"d2903addeb7e92b8bbbdf08a6d17903892f33e66fbd5ec9826a76f4608e63592","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-09T20:28:32Z","title_canon_sha256":"6245051762db0ce7a1f35d45b4f7079d75fdd8ee2f0a40c30f477ca233a82ce0"},"schema_version":"1.0","source":{"id":"2506.08207","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08207","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08207v1","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08207","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_12","alias_value":"X44OYAX6KLYJ","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_16","alias_value":"X44OYAX6KLYJCLV5","created_at":"2026-07-05T11:18:46Z"},{"alias_kind":"pith_short_8","alias_value":"X44OYAX6","created_at":"2026-07-05T11:18:46Z"}],"graph_snapshots":[{"event_id":"sha256:8bd6fe618cb2669b3fe53629a83f63d2a9f2ab4e06c3bc4f58a9efb06394b39a","target":"graph","created_at":"2026-07-05T11:18:46Z","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/2506.08207/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The puzzling experimental observations of Ag addimer formation on the Si(100) surface upon vapor deposition at low temperature, even as low as 140 K, reported by Huang et al. [Phys. Chem. Chem. Phys. 2021, 23, 4161], is explained by facile thermal migration on top of the Si dimer rows, while diffusion is inactive once an Ag adatom lands in one of the optimal binding sites in between dimer rows. The previously hypothesized transient mobility due to the hot spot formed as an Ag atom lands on the Si surface is found not to contribute significantly to mobility and dimer formation. The experimental","authors_text":"Alejandro Pe\\~na-Torres, Hannes J\\'onsson, Michail Stamatakis","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-09T20:28:32Z","title":"Dimerization of Ag adatoms on Si(100) at surprisingly low temperature due to adatom migration on top of Si-dimer rows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08207","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":"sha256:5896a831b430b67861f40a6d25865d47d496d34cc647fcbaa7029113922bc4ae","target":"record","created_at":"2026-07-05T11:18:46Z","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":"d2903addeb7e92b8bbbdf08a6d17903892f33e66fbd5ec9826a76f4608e63592","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-09T20:28:32Z","title_canon_sha256":"6245051762db0ce7a1f35d45b4f7079d75fdd8ee2f0a40c30f477ca233a82ce0"},"schema_version":"1.0","source":{"id":"2506.08207","kind":"arxiv","version":1}},"canonical_sha256":"bf38ec02fe52f0912ebd460c7aa3854b7ac87797802982f7d6583d3426fd6524","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf38ec02fe52f0912ebd460c7aa3854b7ac87797802982f7d6583d3426fd6524","first_computed_at":"2026-07-05T11:18:46.267560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:46.267560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5D3MiQDQE24NjHaCrhzC0NeA1d33tsyt4431um6U3Ed+z5XrQk9443Qr498ErGcSYNwggbVdm/xdHzkL9q3vAg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:46.267989Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.08207","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5896a831b430b67861f40a6d25865d47d496d34cc647fcbaa7029113922bc4ae","sha256:8bd6fe618cb2669b3fe53629a83f63d2a9f2ab4e06c3bc4f58a9efb06394b39a"],"state_sha256":"dc31f3720ff1bfa24c24a956e2da2cdc96c6c9444c495d6595d17fd9f6bf2e55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+O8uuFTKcNVqbkItMNbxIfGP462TCqDMbNvNxzlgJTlt9mntPkWR8XG2ZLPlX8YwkueS1+xuc+ch4hrUpVVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:56:00.900906Z","bundle_sha256":"6571ac0338d1000b8a29ff6ba13b3fddf621fda6cd54657040a0975dc460fdbb"}}