{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YIVRI7LJMKGEUWSI3G33TTN5KM","short_pith_number":"pith:YIVRI7LJ","canonical_record":{"source":{"id":"1607.02851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-07-11T08:10:29Z","cross_cats_sorted":[],"title_canon_sha256":"65b32836fc7020ad5b7477a5e89ae6d471c4e55d880c734d29e40d3a5c3fbd24","abstract_canon_sha256":"8de24772cff88e8c6ae727e77c84779bcc103dede677c9543d02581a64b41736"},"schema_version":"1.0"},"canonical_sha256":"c22b147d69628c4a5a48d9b7b9cdbd5306253a0e110043b5441eebcc8aedb90f","source":{"kind":"arxiv","id":"1607.02851","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02851","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02851v1","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02851","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"pith_short_12","alias_value":"YIVRI7LJMKGE","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YIVRI7LJMKGEUWSI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YIVRI7LJ","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YIVRI7LJMKGEUWSI3G33TTN5KM","target":"record","payload":{"canonical_record":{"source":{"id":"1607.02851","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-07-11T08:10:29Z","cross_cats_sorted":[],"title_canon_sha256":"65b32836fc7020ad5b7477a5e89ae6d471c4e55d880c734d29e40d3a5c3fbd24","abstract_canon_sha256":"8de24772cff88e8c6ae727e77c84779bcc103dede677c9543d02581a64b41736"},"schema_version":"1.0"},"canonical_sha256":"c22b147d69628c4a5a48d9b7b9cdbd5306253a0e110043b5441eebcc8aedb90f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:12.293039Z","signature_b64":"txAABrwmDmA/4QTi253GeWk/6rlhAWw6K+rrUkPgmB3L+hrrWfQdlydT2os/ntSsPegidVR3ntdTnZzw+4xmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c22b147d69628c4a5a48d9b7b9cdbd5306253a0e110043b5441eebcc8aedb90f","last_reissued_at":"2026-05-18T00:53:12.292555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:12.292555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.02851","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":"2026-05-18T00:53:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"884+R5JG6ny2edc/EhKfVtPE5eYQXJp8DcHbffXe9Rl9IkcKp++FoFp1ngczTOBES7trHSz9RxRo+pf18n0jDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:02:28.281550Z"},"content_sha256":"57d96e3578a4e1feb1d5e8f450197b79f34720f0c9a4d459ef5ac83cfc920c8d","schema_version":"1.0","event_id":"sha256:57d96e3578a4e1feb1d5e8f450197b79f34720f0c9a4d459ef5ac83cfc920c8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YIVRI7LJMKGEUWSI3G33TTN5KM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic theory of electron absorption by plasma-facing surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Franz X. Bronold, Holger Fehske","submitted_at":"2016-07-11T08:10:29Z","abstract_excerpt":"We describe a method for calculating the probability with which the wall of a plasma absorbs an electron at low energy. The method, based on an invariant embedding principle, expresses the electron absorption probability as the probability for transmission through the wall's long-range surface potential times the probability to stay inside the wall despite of internal backscattering. To illustrate the approach we apply it to a \\SiOTwo\\ surface. Besides emission of optical phonons inside the wall we take elastic scattering at imperfections of the plasma-wall interface into account and obtain ab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02851","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":"2026-05-18T00:53:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZTMfDL4xpUrODsB++HYZ5XXDbzypbyt+MBDlI8MYXXR/5pLJ+h5dIzKodF992jnWoBCBVGvr/KzTlS16yZbBBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T04:02:28.282345Z"},"content_sha256":"0ebee12098cf7a649d0f12ed0bb12ffcf57bdc0f869654a8b3dfa8ac3b365756","schema_version":"1.0","event_id":"sha256:0ebee12098cf7a649d0f12ed0bb12ffcf57bdc0f869654a8b3dfa8ac3b365756"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/bundle.json","state_url":"https://pith.science/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/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":"2026-05-31T04:02:28Z","links":{"resolver":"https://pith.science/pith/YIVRI7LJMKGEUWSI3G33TTN5KM","bundle":"https://pith.science/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/bundle.json","state":"https://pith.science/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YIVRI7LJMKGEUWSI3G33TTN5KM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YIVRI7LJMKGEUWSI3G33TTN5KM","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":"8de24772cff88e8c6ae727e77c84779bcc103dede677c9543d02581a64b41736","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-07-11T08:10:29Z","title_canon_sha256":"65b32836fc7020ad5b7477a5e89ae6d471c4e55d880c734d29e40d3a5c3fbd24"},"schema_version":"1.0","source":{"id":"1607.02851","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02851","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02851v1","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02851","created_at":"2026-05-18T00:53:12Z"},{"alias_kind":"pith_short_12","alias_value":"YIVRI7LJMKGE","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YIVRI7LJMKGEUWSI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YIVRI7LJ","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:0ebee12098cf7a649d0f12ed0bb12ffcf57bdc0f869654a8b3dfa8ac3b365756","target":"graph","created_at":"2026-05-18T00:53:12Z","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 describe a method for calculating the probability with which the wall of a plasma absorbs an electron at low energy. The method, based on an invariant embedding principle, expresses the electron absorption probability as the probability for transmission through the wall's long-range surface potential times the probability to stay inside the wall despite of internal backscattering. To illustrate the approach we apply it to a \\SiOTwo\\ surface. Besides emission of optical phonons inside the wall we take elastic scattering at imperfections of the plasma-wall interface into account and obtain ab","authors_text":"Franz X. Bronold, Holger Fehske","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-07-11T08:10:29Z","title":"Microscopic theory of electron absorption by plasma-facing surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02851","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":"sha256:57d96e3578a4e1feb1d5e8f450197b79f34720f0c9a4d459ef5ac83cfc920c8d","target":"record","created_at":"2026-05-18T00:53:12Z","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":"8de24772cff88e8c6ae727e77c84779bcc103dede677c9543d02581a64b41736","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-07-11T08:10:29Z","title_canon_sha256":"65b32836fc7020ad5b7477a5e89ae6d471c4e55d880c734d29e40d3a5c3fbd24"},"schema_version":"1.0","source":{"id":"1607.02851","kind":"arxiv","version":1}},"canonical_sha256":"c22b147d69628c4a5a48d9b7b9cdbd5306253a0e110043b5441eebcc8aedb90f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c22b147d69628c4a5a48d9b7b9cdbd5306253a0e110043b5441eebcc8aedb90f","first_computed_at":"2026-05-18T00:53:12.292555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:12.292555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"txAABrwmDmA/4QTi253GeWk/6rlhAWw6K+rrUkPgmB3L+hrrWfQdlydT2os/ntSsPegidVR3ntdTnZzw+4xmCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:12.293039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.02851","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57d96e3578a4e1feb1d5e8f450197b79f34720f0c9a4d459ef5ac83cfc920c8d","sha256:0ebee12098cf7a649d0f12ed0bb12ffcf57bdc0f869654a8b3dfa8ac3b365756"],"state_sha256":"00d417e63eca1304265f32e3f9922b8183a71a45e2e627fdd071ba848a5b2601"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SCLY8Z3zVMk+2d7NkhPQHFevkXN27RHnQqJ6YgXhi6ASbZhSt9wwmUqHKmOuoEIVM8PJFSlOwNm62wnsYKnkAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T04:02:28.286359Z","bundle_sha256":"e53047fa2af417a1b2e68f70e38dcd3e8eb573b7c0b8db212f0b5199ba4a5975"}}