{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:EWZT7SCBY4AG4YB4KHEONHRS43","short_pith_number":"pith:EWZT7SCB","canonical_record":{"source":{"id":"0806.1107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-06-06T08:50:17Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2b45c701edbcceb7bf9dd3935ebfa3a8aeabbe8a21f60ea530c2e63eca2a1c68","abstract_canon_sha256":"782c67ed90a946f1e106a948f2d1fc670238ff661cee6ebcd446a48584de711d"},"schema_version":"1.0"},"canonical_sha256":"25b33fc841c7006e603c51c8e69e32e6ed219068e513ad3902f36805a036af7b","source":{"kind":"arxiv","id":"0806.1107","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.1107","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"0806.1107v1","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.1107","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"EWZT7SCBY4AG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"EWZT7SCBY4AG4YB4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"EWZT7SCB","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:EWZT7SCBY4AG4YB4KHEONHRS43","target":"record","payload":{"canonical_record":{"source":{"id":"0806.1107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-06-06T08:50:17Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2b45c701edbcceb7bf9dd3935ebfa3a8aeabbe8a21f60ea530c2e63eca2a1c68","abstract_canon_sha256":"782c67ed90a946f1e106a948f2d1fc670238ff661cee6ebcd446a48584de711d"},"schema_version":"1.0"},"canonical_sha256":"25b33fc841c7006e603c51c8e69e32e6ed219068e513ad3902f36805a036af7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:51.878844Z","signature_b64":"4lEEBfale7CZtZrjvS+RzH5xmuqnqc3+xN7dkIK+tOquieCLRpNAtk9NF7QB6yFPEGcNCps3yfURYZYc7UNPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25b33fc841c7006e603c51c8e69e32e6ed219068e513ad3902f36805a036af7b","last_reissued_at":"2026-05-18T02:15:51.878305Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:51.878305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.1107","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":"2026-05-18T02:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1z4ZIv/4ohq30hl8Q0uQoT31pQv5W+iuyY9aQFD28JBORRkyAxn1Xomo5FTxDgK+nWHB+FGxg9OYzsGpxlBMDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:40:39.861671Z"},"content_sha256":"a636bc2e69cbc19484e37d29c7882265767477befca0ec4e012933b56f4a05c0","schema_version":"1.0","event_id":"sha256:a636bc2e69cbc19484e37d29c7882265767477befca0ec4e012933b56f4a05c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:EWZT7SCBY4AG4YB4KHEONHRS43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conductive nanodots on the surface of irradiated CaF2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.atom-ph","authors_text":"Henning Lebius, Marika Schleberger, Marion Meier, Tino Roll","submitted_at":"2008-06-06T08:50:17Z","abstract_excerpt":"CaF2(111) single crystal surfaces have been irradiated with swift heavy ions under oblique angles resulting in chains of nanosized hillocks. In order to characterize these nanodots with respect to their conductivity we have applied non-contact atomic force microscopy using a magnetic tip. Measurements in UHV as well as under ambient conditions reveal a clearly enhanced electromagnetic interaction between the magnetic tip and the nanodots. The dissipated energy per cycle is comparable to the value found for metals, indicating that the interaction of the ion with the target material leads to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.1107","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":"2026-05-18T02:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vnhd6ZoeSBZZLa95YhhSK1Y1bqYhqPH2MxLA+TXifezOtnfH5oYT3hgcSbJPGitHEKoq5U5lB49jFmQ7SUU2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:40:39.862342Z"},"content_sha256":"11ed13893ed1ff055d1cb86367080fd4ce7fbc6ebb84dacc55a06ec58d167173","schema_version":"1.0","event_id":"sha256:11ed13893ed1ff055d1cb86367080fd4ce7fbc6ebb84dacc55a06ec58d167173"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EWZT7SCBY4AG4YB4KHEONHRS43/bundle.json","state_url":"https://pith.science/pith/EWZT7SCBY4AG4YB4KHEONHRS43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EWZT7SCBY4AG4YB4KHEONHRS43/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":"2026-06-07T01:40:39Z","links":{"resolver":"https://pith.science/pith/EWZT7SCBY4AG4YB4KHEONHRS43","bundle":"https://pith.science/pith/EWZT7SCBY4AG4YB4KHEONHRS43/bundle.json","state":"https://pith.science/pith/EWZT7SCBY4AG4YB4KHEONHRS43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EWZT7SCBY4AG4YB4KHEONHRS43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:EWZT7SCBY4AG4YB4KHEONHRS43","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":"782c67ed90a946f1e106a948f2d1fc670238ff661cee6ebcd446a48584de711d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-06-06T08:50:17Z","title_canon_sha256":"2b45c701edbcceb7bf9dd3935ebfa3a8aeabbe8a21f60ea530c2e63eca2a1c68"},"schema_version":"1.0","source":{"id":"0806.1107","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.1107","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"0806.1107v1","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.1107","created_at":"2026-05-18T02:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"EWZT7SCBY4AG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"EWZT7SCBY4AG4YB4","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"EWZT7SCB","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:11ed13893ed1ff055d1cb86367080fd4ce7fbc6ebb84dacc55a06ec58d167173","target":"graph","created_at":"2026-05-18T02:15:51Z","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":"CaF2(111) single crystal surfaces have been irradiated with swift heavy ions under oblique angles resulting in chains of nanosized hillocks. In order to characterize these nanodots with respect to their conductivity we have applied non-contact atomic force microscopy using a magnetic tip. Measurements in UHV as well as under ambient conditions reveal a clearly enhanced electromagnetic interaction between the magnetic tip and the nanodots. The dissipated energy per cycle is comparable to the value found for metals, indicating that the interaction of the ion with the target material leads to the","authors_text":"Henning Lebius, Marika Schleberger, Marion Meier, Tino Roll","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-06-06T08:50:17Z","title":"Conductive nanodots on the surface of irradiated CaF2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.1107","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:a636bc2e69cbc19484e37d29c7882265767477befca0ec4e012933b56f4a05c0","target":"record","created_at":"2026-05-18T02:15:51Z","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":"782c67ed90a946f1e106a948f2d1fc670238ff661cee6ebcd446a48584de711d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-06-06T08:50:17Z","title_canon_sha256":"2b45c701edbcceb7bf9dd3935ebfa3a8aeabbe8a21f60ea530c2e63eca2a1c68"},"schema_version":"1.0","source":{"id":"0806.1107","kind":"arxiv","version":1}},"canonical_sha256":"25b33fc841c7006e603c51c8e69e32e6ed219068e513ad3902f36805a036af7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25b33fc841c7006e603c51c8e69e32e6ed219068e513ad3902f36805a036af7b","first_computed_at":"2026-05-18T02:15:51.878305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:51.878305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4lEEBfale7CZtZrjvS+RzH5xmuqnqc3+xN7dkIK+tOquieCLRpNAtk9NF7QB6yFPEGcNCps3yfURYZYc7UNPAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:51.878844Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.1107","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a636bc2e69cbc19484e37d29c7882265767477befca0ec4e012933b56f4a05c0","sha256:11ed13893ed1ff055d1cb86367080fd4ce7fbc6ebb84dacc55a06ec58d167173"],"state_sha256":"10bbf0d2585a8d2cafe2d49e76bacc79e825daa0ce4803815c94c367b4149020"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Q8BW5VyS/LnK8sc3LplffF5TgRmQWJwfkcjq+B87JmlqOAgjqNsyar2I/C9b8Abr9qSNT9ZoJnR3SRzk8hUCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T01:40:39.865931Z","bundle_sha256":"9a39b09325e2eda05ffeaf0093242fbd2aacb143b6015203b4d482f24d6ca7e4"}}