{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:4Z2MYTBJW2VO2LPAW3TBUHADK5","short_pith_number":"pith:4Z2MYTBJ","canonical_record":{"source":{"id":"2103.07559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-03-12T22:48:43Z","cross_cats_sorted":[],"title_canon_sha256":"2a52ab584fd12ab20550869c1fd736ac38877bd021887504043d5bdbeea96e09","abstract_canon_sha256":"5719926340feaf48fef19115f53ee6236d7fb29903e196271ee6680dfc60d436"},"schema_version":"1.0"},"canonical_sha256":"e674cc4c29b6aaed2de0b6e61a1c03575b3ba668656589171a858a5aa28b58f6","source":{"kind":"arxiv","id":"2103.07559","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.07559","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"arxiv_version","alias_value":"2103.07559v2","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.07559","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_12","alias_value":"4Z2MYTBJW2VO","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_16","alias_value":"4Z2MYTBJW2VO2LPA","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_8","alias_value":"4Z2MYTBJ","created_at":"2026-07-05T04:13:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:4Z2MYTBJW2VO2LPAW3TBUHADK5","target":"record","payload":{"canonical_record":{"source":{"id":"2103.07559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-03-12T22:48:43Z","cross_cats_sorted":[],"title_canon_sha256":"2a52ab584fd12ab20550869c1fd736ac38877bd021887504043d5bdbeea96e09","abstract_canon_sha256":"5719926340feaf48fef19115f53ee6236d7fb29903e196271ee6680dfc60d436"},"schema_version":"1.0"},"canonical_sha256":"e674cc4c29b6aaed2de0b6e61a1c03575b3ba668656589171a858a5aa28b58f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:13:22.542383Z","signature_b64":"j29sw/4+FHIl5rw6BFCzz5T2/mOrC8eWx+g2/I5KNjTpVMW4bLahXLdtk8wmH40aIgV0IG6UPSknArWnhga8AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e674cc4c29b6aaed2de0b6e61a1c03575b3ba668656589171a858a5aa28b58f6","last_reissued_at":"2026-07-05T04:13:22.541871Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:13:22.541871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.07559","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:13:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HaSf+/8Wr6osp1ujIqaJeItEEiLL+0146uCgJ2Vkp8RPG8uUbXmo/iWk+n3w2WFzBoMqEV991UvXO5/geMtQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:37:13.196997Z"},"content_sha256":"e5ce0efadb58ccb7395317bc70bd8538d6955b375ef6a2ed720a0c745a719184","schema_version":"1.0","event_id":"sha256:e5ce0efadb58ccb7395317bc70bd8538d6955b375ef6a2ed720a0c745a719184"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:4Z2MYTBJW2VO2LPAW3TBUHADK5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imaging three phases of Iodine on Ag (111) using low-temperature scanning tunneling microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Joseph Murray, Michael Dreyer, Robert E. Butera","submitted_at":"2021-03-12T22:48:43Z","abstract_excerpt":"We investigated the adsorption of iodine on silver (111) in ultra-high vacuum. Using low-temperature scanning tunneling microscopy (LT-STM) measurements we catalog the complex surface structures on the local scale. We identified three distinct phases with increasing iodine coverage which we tentatively associate with three phases previously reported in LEED experiments (sqrt(3)x sqrt(3)R30, \"triangular\", \"hexagonal\"). We used Fourier space and real space analysis to fully characterize each phase. While Fourier analysis most easily connects our measurements to previous LEED studies, the real sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.07559","kind":"arxiv","version":2},"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/2103.07559/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":"2026-07-05T04:13:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3WT6kn67miwi9kzxnahfwv4orMH+7Uy+X7s/erju/wc4Op+Z1tRH8XkJFohLwNBeUgxMnys9eNwWiO35+YW2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:37:13.197549Z"},"content_sha256":"544bb8e442f2166fd762c5ad8914942953bdd9b67c025acf134a2d01e00cb8ec","schema_version":"1.0","event_id":"sha256:544bb8e442f2166fd762c5ad8914942953bdd9b67c025acf134a2d01e00cb8ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/bundle.json","state_url":"https://pith.science/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/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":"2026-08-23T18:37:13Z","links":{"resolver":"https://pith.science/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5","bundle":"https://pith.science/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/bundle.json","state":"https://pith.science/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4Z2MYTBJW2VO2LPAW3TBUHADK5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:4Z2MYTBJW2VO2LPAW3TBUHADK5","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":"5719926340feaf48fef19115f53ee6236d7fb29903e196271ee6680dfc60d436","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-03-12T22:48:43Z","title_canon_sha256":"2a52ab584fd12ab20550869c1fd736ac38877bd021887504043d5bdbeea96e09"},"schema_version":"1.0","source":{"id":"2103.07559","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.07559","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"arxiv_version","alias_value":"2103.07559v2","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.07559","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_12","alias_value":"4Z2MYTBJW2VO","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_16","alias_value":"4Z2MYTBJW2VO2LPA","created_at":"2026-07-05T04:13:22Z"},{"alias_kind":"pith_short_8","alias_value":"4Z2MYTBJ","created_at":"2026-07-05T04:13:22Z"}],"graph_snapshots":[{"event_id":"sha256:544bb8e442f2166fd762c5ad8914942953bdd9b67c025acf134a2d01e00cb8ec","target":"graph","created_at":"2026-07-05T04:13:22Z","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/2103.07559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigated the adsorption of iodine on silver (111) in ultra-high vacuum. Using low-temperature scanning tunneling microscopy (LT-STM) measurements we catalog the complex surface structures on the local scale. We identified three distinct phases with increasing iodine coverage which we tentatively associate with three phases previously reported in LEED experiments (sqrt(3)x sqrt(3)R30, \"triangular\", \"hexagonal\"). We used Fourier space and real space analysis to fully characterize each phase. While Fourier analysis most easily connects our measurements to previous LEED studies, the real sp","authors_text":"Joseph Murray, Michael Dreyer, Robert E. Butera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-03-12T22:48:43Z","title":"Imaging three phases of Iodine on Ag (111) using low-temperature scanning tunneling microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.07559","kind":"arxiv","version":2},"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:e5ce0efadb58ccb7395317bc70bd8538d6955b375ef6a2ed720a0c745a719184","target":"record","created_at":"2026-07-05T04:13:22Z","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":"5719926340feaf48fef19115f53ee6236d7fb29903e196271ee6680dfc60d436","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-03-12T22:48:43Z","title_canon_sha256":"2a52ab584fd12ab20550869c1fd736ac38877bd021887504043d5bdbeea96e09"},"schema_version":"1.0","source":{"id":"2103.07559","kind":"arxiv","version":2}},"canonical_sha256":"e674cc4c29b6aaed2de0b6e61a1c03575b3ba668656589171a858a5aa28b58f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e674cc4c29b6aaed2de0b6e61a1c03575b3ba668656589171a858a5aa28b58f6","first_computed_at":"2026-07-05T04:13:22.541871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:13:22.541871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j29sw/4+FHIl5rw6BFCzz5T2/mOrC8eWx+g2/I5KNjTpVMW4bLahXLdtk8wmH40aIgV0IG6UPSknArWnhga8AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:13:22.542383Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.07559","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5ce0efadb58ccb7395317bc70bd8538d6955b375ef6a2ed720a0c745a719184","sha256:544bb8e442f2166fd762c5ad8914942953bdd9b67c025acf134a2d01e00cb8ec"],"state_sha256":"cbeff966b857727cec50d2f97ede393f6c18791d4c507d0ef3c544398f57c363"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQpMSgYhyTShlMNE8vEL2mofk9ay9c1zrsiRZeH0+WzRy61JeLGhr6F+9+j4GirwEsgZumiJWfiUreSgCIDyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T18:37:13.202479Z","bundle_sha256":"33f46938950ffc464dd71153e4630e2b9a26e5decef9d76d4d9a6669971ef217"}}