{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:P4GGKU4MRL6ZHKODFGQAB2MVF2","short_pith_number":"pith:P4GGKU4M","canonical_record":{"source":{"id":"1604.07068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-04-24T18:32:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"aceb063d5ec35f3373cece3cbc6b9a74b3cb1b7f7d64463b2773dd7813775c0c","abstract_canon_sha256":"571c23400dd03f9e15030377c4e396ef1bcf4d93bb4ebf5265eac3124eb14c5b"},"schema_version":"1.0"},"canonical_sha256":"7f0c65538c8afd93a9c329a000e9952eb723a131b306ba333f2bd25d8b9e2dcc","source":{"kind":"arxiv","id":"1604.07068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.07068","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"arxiv_version","alias_value":"1604.07068v1","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.07068","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"pith_short_12","alias_value":"P4GGKU4MRL6Z","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"P4GGKU4MRL6ZHKOD","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"P4GGKU4M","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:P4GGKU4MRL6ZHKODFGQAB2MVF2","target":"record","payload":{"canonical_record":{"source":{"id":"1604.07068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-04-24T18:32:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"aceb063d5ec35f3373cece3cbc6b9a74b3cb1b7f7d64463b2773dd7813775c0c","abstract_canon_sha256":"571c23400dd03f9e15030377c4e396ef1bcf4d93bb4ebf5265eac3124eb14c5b"},"schema_version":"1.0"},"canonical_sha256":"7f0c65538c8afd93a9c329a000e9952eb723a131b306ba333f2bd25d8b9e2dcc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:48.067760Z","signature_b64":"Re1GqmP7kTCamb0NYiRcU5K079MA5Iy28YoRHbGw8c03e/imBSfycWSK9D9bVK86E5JmvjgCV7OJu6ctRxZuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f0c65538c8afd93a9c329a000e9952eb723a131b306ba333f2bd25d8b9e2dcc","last_reissued_at":"2026-05-18T01:11:48.067331Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:48.067331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.07068","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":"2026-05-18T01:11:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yk09gK0rLnUJQUunKkZQIWl2sOxhfhQW23wiV9OhERCxgUtFRdV926CoRXOsAr2tNyhkCra4NhB8099ylVzKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:16:28.764847Z"},"content_sha256":"df074d9f7c922899905557a066f16083b4f0f29df466e90511032707f14cf8cb","schema_version":"1.0","event_id":"sha256:df074d9f7c922899905557a066f16083b4f0f29df466e90511032707f14cf8cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:P4GGKU4MRL6ZHKODFGQAB2MVF2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Handshake electron transfer from hydrogen Rydberg atoms incident at a series of metallic thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.chem-ph","authors_text":"Jemma A Gibbard, Timothy P Softley","submitted_at":"2016-04-24T18:32:59Z","abstract_excerpt":"Thin metallic films have a 1D quantum well along the surface normal direction, which yields particle-in-a-box style electronic quantum states. However the quantum well is not infinitely deep and the wavefunctions of these states penetrate outside the surface where the electron is bound by its own image-charge attraction. Therefore a series of discrete, vacant states reach out from the thin film into the vacuum increasing the probability of electron transfer from an external atom or molecule to the thin film, especially for the resonant case where the quantum well energy matches that of the Ryd"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.07068","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":"2026-05-18T01:11:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wl5RNB97hHuNe2RFhhn4L8lg1JVA8VCQPOj4kd0cMZ8eHk1uXDgXClFwYaycLr6HjHgVGQ8LbVVldahBJvPsAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:16:28.765430Z"},"content_sha256":"24bb1aafcd30e33af8cc3312b7464125f29d714f853ec96d028373c7bb664019","schema_version":"1.0","event_id":"sha256:24bb1aafcd30e33af8cc3312b7464125f29d714f853ec96d028373c7bb664019"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/bundle.json","state_url":"https://pith.science/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/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":"2026-07-01T23:16:28Z","links":{"resolver":"https://pith.science/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2","bundle":"https://pith.science/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/bundle.json","state":"https://pith.science/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P4GGKU4MRL6ZHKODFGQAB2MVF2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:P4GGKU4MRL6ZHKODFGQAB2MVF2","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":"571c23400dd03f9e15030377c4e396ef1bcf4d93bb4ebf5265eac3124eb14c5b","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-04-24T18:32:59Z","title_canon_sha256":"aceb063d5ec35f3373cece3cbc6b9a74b3cb1b7f7d64463b2773dd7813775c0c"},"schema_version":"1.0","source":{"id":"1604.07068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.07068","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"arxiv_version","alias_value":"1604.07068v1","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.07068","created_at":"2026-05-18T01:11:48Z"},{"alias_kind":"pith_short_12","alias_value":"P4GGKU4MRL6Z","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"P4GGKU4MRL6ZHKOD","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"P4GGKU4M","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:24bb1aafcd30e33af8cc3312b7464125f29d714f853ec96d028373c7bb664019","target":"graph","created_at":"2026-05-18T01:11:48Z","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":"Thin metallic films have a 1D quantum well along the surface normal direction, which yields particle-in-a-box style electronic quantum states. However the quantum well is not infinitely deep and the wavefunctions of these states penetrate outside the surface where the electron is bound by its own image-charge attraction. Therefore a series of discrete, vacant states reach out from the thin film into the vacuum increasing the probability of electron transfer from an external atom or molecule to the thin film, especially for the resonant case where the quantum well energy matches that of the Ryd","authors_text":"Jemma A Gibbard, Timothy P Softley","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-04-24T18:32:59Z","title":"Handshake electron transfer from hydrogen Rydberg atoms incident at a series of metallic thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.07068","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:df074d9f7c922899905557a066f16083b4f0f29df466e90511032707f14cf8cb","target":"record","created_at":"2026-05-18T01:11:48Z","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":"571c23400dd03f9e15030377c4e396ef1bcf4d93bb4ebf5265eac3124eb14c5b","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2016-04-24T18:32:59Z","title_canon_sha256":"aceb063d5ec35f3373cece3cbc6b9a74b3cb1b7f7d64463b2773dd7813775c0c"},"schema_version":"1.0","source":{"id":"1604.07068","kind":"arxiv","version":1}},"canonical_sha256":"7f0c65538c8afd93a9c329a000e9952eb723a131b306ba333f2bd25d8b9e2dcc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f0c65538c8afd93a9c329a000e9952eb723a131b306ba333f2bd25d8b9e2dcc","first_computed_at":"2026-05-18T01:11:48.067331Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:48.067331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Re1GqmP7kTCamb0NYiRcU5K079MA5Iy28YoRHbGw8c03e/imBSfycWSK9D9bVK86E5JmvjgCV7OJu6ctRxZuAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:48.067760Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.07068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df074d9f7c922899905557a066f16083b4f0f29df466e90511032707f14cf8cb","sha256:24bb1aafcd30e33af8cc3312b7464125f29d714f853ec96d028373c7bb664019"],"state_sha256":"26a65f93b5d6251f1567728ae0d99844db3b7d5e7a8d5f84a4c06af2fa424b9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4PPGXcwOOmg2GDd+klwAwTsqLrb14/Y7j708HLcOkV+vlR+It/0g5Hl3wfv0CTm4x+bXRZ8jk/eaY2H5OajsDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T23:16:28.768626Z","bundle_sha256":"e7491e88121c24028b418e322f1adee20c39c2052b912010cc43713f9036990f"}}