{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:OAWQYGW5CFNOLSBEP23DXBUWXU","short_pith_number":"pith:OAWQYGW5","canonical_record":{"source":{"id":"0708.2306","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-17T01:36:24Z","cross_cats_sorted":[],"title_canon_sha256":"56ce5aee1b304f82791796d3e40cab972ebd43a3ef8cf5f4e3845e8e375004dc","abstract_canon_sha256":"aeae7faab5d3cddbb60f6c900ab085562c4dd12e5abdd2dd5c37fa0830244229"},"schema_version":"1.0"},"canonical_sha256":"702d0c1add115ae5c8247eb63b8696bd348e85732732b0a7551775797fd570d4","source":{"kind":"arxiv","id":"0708.2306","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.2306","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"0708.2306v1","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.2306","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"OAWQYGW5CFNO","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"OAWQYGW5CFNOLSBE","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"OAWQYGW5","created_at":"2026-07-04T17:05:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:OAWQYGW5CFNOLSBEP23DXBUWXU","target":"record","payload":{"canonical_record":{"source":{"id":"0708.2306","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-17T01:36:24Z","cross_cats_sorted":[],"title_canon_sha256":"56ce5aee1b304f82791796d3e40cab972ebd43a3ef8cf5f4e3845e8e375004dc","abstract_canon_sha256":"aeae7faab5d3cddbb60f6c900ab085562c4dd12e5abdd2dd5c37fa0830244229"},"schema_version":"1.0"},"canonical_sha256":"702d0c1add115ae5c8247eb63b8696bd348e85732732b0a7551775797fd570d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:05:13.368017Z","signature_b64":"+kJg/CIBsHty+AAEGc9NtzTo0qdhqyv7m3NT30Ef/ZoF2MClusDL7vZjzaYXFXW5SGtUo6VZVtrJN+oEwzGpCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"702d0c1add115ae5c8247eb63b8696bd348e85732732b0a7551775797fd570d4","last_reissued_at":"2026-07-04T17:05:13.367640Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:05:13.367640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0708.2306","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":"2026-07-04T17:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pLuvt8TYjS8iirP3A1nPZIAkCyvhivRkgJVG3ekpk8Fk7Of5LGeuGPesvfGcOkwuakgtjgrg3QjmDukVDDhSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T20:50:24.169936Z"},"content_sha256":"249389aa8ab6d90b4f71698751cb368c049defc804e8c3680fadf64d99d8a116","schema_version":"1.0","event_id":"sha256:249389aa8ab6d90b4f71698751cb368c049defc804e8c3680fadf64d99d8a116"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:OAWQYGW5CFNOLSBEP23DXBUWXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of impurities on Tamm-like lanthanide-metal surface states","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Bauer, D. Wegner, G. Kaindl","submitted_at":"2007-08-17T01:36:24Z","abstract_excerpt":"The effects of isolated residual-gas adsorbates on the local electronic structure of the Dy(0001) surface were spatially mapped by scanning tunneling microscopy and spectroscopy at 12 K. Less than 15 A away from an adsorbate, a strong reduction of the intensity and a significant increase of the width of the majority component of the surface state due to impurity scattering were observed, with essentially no change of the minority component; this reflects a high lateral localization of the Tamm-like surface state. Furthermore, an adsorbate-induced state was found that behaves metastable."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.2306","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/0708.2306/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":"2026-07-04T17:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SNWXGbvWJ9lXTsoftPzXXinh9eX8tPVGW3wSTKf4749o3DOMieEOUpwM+NZzHY+oTO6NifV8rpKQyi4/89fBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T20:50:24.170475Z"},"content_sha256":"baeba72d8b751a504014decce1327fc61e4c1cdbb54a9cd39887c892dcf177de","schema_version":"1.0","event_id":"sha256:baeba72d8b751a504014decce1327fc61e4c1cdbb54a9cd39887c892dcf177de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/bundle.json","state_url":"https://pith.science/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/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":"2026-08-05T20:50:24Z","links":{"resolver":"https://pith.science/pith/OAWQYGW5CFNOLSBEP23DXBUWXU","bundle":"https://pith.science/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/bundle.json","state":"https://pith.science/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OAWQYGW5CFNOLSBEP23DXBUWXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OAWQYGW5CFNOLSBEP23DXBUWXU","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":"aeae7faab5d3cddbb60f6c900ab085562c4dd12e5abdd2dd5c37fa0830244229","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-17T01:36:24Z","title_canon_sha256":"56ce5aee1b304f82791796d3e40cab972ebd43a3ef8cf5f4e3845e8e375004dc"},"schema_version":"1.0","source":{"id":"0708.2306","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.2306","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"0708.2306v1","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.2306","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"OAWQYGW5CFNO","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"OAWQYGW5CFNOLSBE","created_at":"2026-07-04T17:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"OAWQYGW5","created_at":"2026-07-04T17:05:13Z"}],"graph_snapshots":[{"event_id":"sha256:baeba72d8b751a504014decce1327fc61e4c1cdbb54a9cd39887c892dcf177de","target":"graph","created_at":"2026-07-04T17:05:13Z","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/0708.2306/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The effects of isolated residual-gas adsorbates on the local electronic structure of the Dy(0001) surface were spatially mapped by scanning tunneling microscopy and spectroscopy at 12 K. Less than 15 A away from an adsorbate, a strong reduction of the intensity and a significant increase of the width of the majority component of the surface state due to impurity scattering were observed, with essentially no change of the minority component; this reflects a high lateral localization of the Tamm-like surface state. Furthermore, an adsorbate-induced state was found that behaves metastable.","authors_text":"A. Bauer, D. Wegner, G. Kaindl","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-17T01:36:24Z","title":"Effects of impurities on Tamm-like lanthanide-metal surface states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.2306","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":"sha256:249389aa8ab6d90b4f71698751cb368c049defc804e8c3680fadf64d99d8a116","target":"record","created_at":"2026-07-04T17:05:13Z","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":"aeae7faab5d3cddbb60f6c900ab085562c4dd12e5abdd2dd5c37fa0830244229","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-08-17T01:36:24Z","title_canon_sha256":"56ce5aee1b304f82791796d3e40cab972ebd43a3ef8cf5f4e3845e8e375004dc"},"schema_version":"1.0","source":{"id":"0708.2306","kind":"arxiv","version":1}},"canonical_sha256":"702d0c1add115ae5c8247eb63b8696bd348e85732732b0a7551775797fd570d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"702d0c1add115ae5c8247eb63b8696bd348e85732732b0a7551775797fd570d4","first_computed_at":"2026-07-04T17:05:13.367640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:05:13.367640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+kJg/CIBsHty+AAEGc9NtzTo0qdhqyv7m3NT30Ef/ZoF2MClusDL7vZjzaYXFXW5SGtUo6VZVtrJN+oEwzGpCg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:05:13.368017Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.2306","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:249389aa8ab6d90b4f71698751cb368c049defc804e8c3680fadf64d99d8a116","sha256:baeba72d8b751a504014decce1327fc61e4c1cdbb54a9cd39887c892dcf177de"],"state_sha256":"c9ceb7058479a507c49cf7dfcd6f38692935f6f44e215c3a9709785ed769b9e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYwAa9pX7Hn0bypL1uoiJRkZSOP8DHKplmG3EpsbiGVxh3qmOwfV1bBfgqmyzlgdQM99+ZwXhecMt7rLcb65DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T20:50:24.175417Z","bundle_sha256":"099414c4863421bcb84cf51d5f61d2401c491981176d1d1efb8792a4c5c02ee4"}}