{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5OKWIX3M46HP2ZHIFMU2QZS2HV","short_pith_number":"pith:5OKWIX3M","canonical_record":{"source":{"id":"1902.06244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-17T11:47:12Z","cross_cats_sorted":[],"title_canon_sha256":"55f927a9562df19e516c2d1b0820ebd5e058000816a847fbdbeadb2b4446a82d","abstract_canon_sha256":"615b83e19ea59d9d7925e0440601e6d8ad4a2a75d413eb7f04708e7e31846349"},"schema_version":"1.0"},"canonical_sha256":"eb95645f6ce78efd64e82b29a8665a3d4085cf408b7dfcf748a9d8c3d7d85d6d","source":{"kind":"arxiv","id":"1902.06244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06244","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06244v1","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06244","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"pith_short_12","alias_value":"5OKWIX3M46HP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5OKWIX3M46HP2ZHI","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5OKWIX3M","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5OKWIX3M46HP2ZHIFMU2QZS2HV","target":"record","payload":{"canonical_record":{"source":{"id":"1902.06244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-17T11:47:12Z","cross_cats_sorted":[],"title_canon_sha256":"55f927a9562df19e516c2d1b0820ebd5e058000816a847fbdbeadb2b4446a82d","abstract_canon_sha256":"615b83e19ea59d9d7925e0440601e6d8ad4a2a75d413eb7f04708e7e31846349"},"schema_version":"1.0"},"canonical_sha256":"eb95645f6ce78efd64e82b29a8665a3d4085cf408b7dfcf748a9d8c3d7d85d6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:46.128771Z","signature_b64":"opiS91jJPS+24t78u+bbxMXNc60v0S192NJi3hHzlH6BrioGiwZdZf8/AB04xoaynEwxs2gbn3ujHmZ0gRG3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb95645f6ce78efd64e82b29a8665a3d4085cf408b7dfcf748a9d8c3d7d85d6d","last_reissued_at":"2026-05-17T23:53:46.128229Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:46.128229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.06244","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":"2026-05-17T23:53:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tGBu3/DI20A2dursy6uMTtPMMvi0WCAa5wbp9MyzWg/dlovIa7Mjd6G8teXvK/CHXcMsXUCWMkdmuQUol1fPAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:10:28.908646Z"},"content_sha256":"742de606295de8a67d203c7b7d47a6d51169fbbdad350ff988a9e26a99c2caed","schema_version":"1.0","event_id":"sha256:742de606295de8a67d203c7b7d47a6d51169fbbdad350ff988a9e26a99c2caed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5OKWIX3M46HP2ZHIFMU2QZS2HV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local geometry around B atoms in B/Si(111) from polarized x-ray absorption spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jan Min\\'ar, Kate\\v{r}ina Hor\\'akov\\'a, Martin Vondr\\'a\\v{c}ek, Ond\\v{r}ej \\v{S}ipr, Peter Blaha, Saleem Ayaz Khan, Vladim\\'ir Ch\\'ab","submitted_at":"2019-02-17T11:47:12Z","abstract_excerpt":"The arrangement of B~atoms in a doped Si(111)-$(\\sqrt{3}\\times\\sqrt{3})R30^{\\circ}$:B system was studied using near-edge x-ray absorption fine structure (NEXAFS). Boron atoms were deposited via segregation from the bulk by flashing the sample repeatedly. The positions of B~atoms are determined by comparing measured polarized (angle-dependent) NEXAFS spectra with spectra calculated for various structural models based on ab-initio total energy calculations. It is found that most of boron atoms are located in sub-surface L$_{1}^{c}$ positions, beneath a Si atom. However, depending on the preparat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06244","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":"2026-05-17T23:53:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYwTd+BsAk5DXS7H6367Mhd2HvayBVQY3jfNKvD7ztOc3bg6njjngFRoCX0LYLJ+i1xsFpNRmgDO8T+9x2TGAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:10:28.909426Z"},"content_sha256":"85d1a99e304f6fa999b348c3a7995465a3a8b93fbd6624ffd9bb8c9459343be0","schema_version":"1.0","event_id":"sha256:85d1a99e304f6fa999b348c3a7995465a3a8b93fbd6624ffd9bb8c9459343be0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/bundle.json","state_url":"https://pith.science/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/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":"2026-05-31T00:10:28Z","links":{"resolver":"https://pith.science/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV","bundle":"https://pith.science/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/bundle.json","state":"https://pith.science/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5OKWIX3M46HP2ZHIFMU2QZS2HV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5OKWIX3M46HP2ZHIFMU2QZS2HV","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":"615b83e19ea59d9d7925e0440601e6d8ad4a2a75d413eb7f04708e7e31846349","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-17T11:47:12Z","title_canon_sha256":"55f927a9562df19e516c2d1b0820ebd5e058000816a847fbdbeadb2b4446a82d"},"schema_version":"1.0","source":{"id":"1902.06244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06244","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06244v1","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06244","created_at":"2026-05-17T23:53:46Z"},{"alias_kind":"pith_short_12","alias_value":"5OKWIX3M46HP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5OKWIX3M46HP2ZHI","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5OKWIX3M","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:85d1a99e304f6fa999b348c3a7995465a3a8b93fbd6624ffd9bb8c9459343be0","target":"graph","created_at":"2026-05-17T23:53:46Z","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"},"paper":{"abstract_excerpt":"The arrangement of B~atoms in a doped Si(111)-$(\\sqrt{3}\\times\\sqrt{3})R30^{\\circ}$:B system was studied using near-edge x-ray absorption fine structure (NEXAFS). Boron atoms were deposited via segregation from the bulk by flashing the sample repeatedly. The positions of B~atoms are determined by comparing measured polarized (angle-dependent) NEXAFS spectra with spectra calculated for various structural models based on ab-initio total energy calculations. It is found that most of boron atoms are located in sub-surface L$_{1}^{c}$ positions, beneath a Si atom. However, depending on the preparat","authors_text":"Jan Min\\'ar, Kate\\v{r}ina Hor\\'akov\\'a, Martin Vondr\\'a\\v{c}ek, Ond\\v{r}ej \\v{S}ipr, Peter Blaha, Saleem Ayaz Khan, Vladim\\'ir Ch\\'ab","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-17T11:47:12Z","title":"Local geometry around B atoms in B/Si(111) from polarized x-ray absorption spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06244","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":"sha256:742de606295de8a67d203c7b7d47a6d51169fbbdad350ff988a9e26a99c2caed","target":"record","created_at":"2026-05-17T23:53:46Z","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":"615b83e19ea59d9d7925e0440601e6d8ad4a2a75d413eb7f04708e7e31846349","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-02-17T11:47:12Z","title_canon_sha256":"55f927a9562df19e516c2d1b0820ebd5e058000816a847fbdbeadb2b4446a82d"},"schema_version":"1.0","source":{"id":"1902.06244","kind":"arxiv","version":1}},"canonical_sha256":"eb95645f6ce78efd64e82b29a8665a3d4085cf408b7dfcf748a9d8c3d7d85d6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb95645f6ce78efd64e82b29a8665a3d4085cf408b7dfcf748a9d8c3d7d85d6d","first_computed_at":"2026-05-17T23:53:46.128229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:46.128229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"opiS91jJPS+24t78u+bbxMXNc60v0S192NJi3hHzlH6BrioGiwZdZf8/AB04xoaynEwxs2gbn3ujHmZ0gRG3Dg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:46.128771Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.06244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:742de606295de8a67d203c7b7d47a6d51169fbbdad350ff988a9e26a99c2caed","sha256:85d1a99e304f6fa999b348c3a7995465a3a8b93fbd6624ffd9bb8c9459343be0"],"state_sha256":"ed2b704262a7fe289b60c9350e2d8203cfd346c94d4863271e6a0b51657a1313"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gvf2aEsfdJiffcZdR5YKp3FP1R8PxUj9yMN0+5LrhPF8ysFvK7Cf5s0t48TTs0zuKsiv190xNq5D05ZDFJNgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:10:28.912906Z","bundle_sha256":"1d8e35879e7b8caa816779cd30fcb9d3cdbdeac5a4f12b4a1c95eced6ead1276"}}