{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ZOYBPIHDJZUJBUJLJQUK5JUH66","short_pith_number":"pith:ZOYBPIHD","canonical_record":{"source":{"id":"1302.4610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-19T13:55:02Z","cross_cats_sorted":[],"title_canon_sha256":"776a823ca03053498d5f558014712204f3863cb20c81aa84bdaad90b5f989395","abstract_canon_sha256":"eda27c359867a999e54e55fbbe6fd9405901ceb70126afa834b8fbae6f6af5d5"},"schema_version":"1.0"},"canonical_sha256":"cbb017a0e34e6890d12b4c28aea687f7ac18f45f8e2ad1ebbf34da82bc981388","source":{"kind":"arxiv","id":"1302.4610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4610","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4610v1","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4610","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"ZOYBPIHDJZUJ","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZOYBPIHDJZUJBUJL","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZOYBPIHD","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ZOYBPIHDJZUJBUJLJQUK5JUH66","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-19T13:55:02Z","cross_cats_sorted":[],"title_canon_sha256":"776a823ca03053498d5f558014712204f3863cb20c81aa84bdaad90b5f989395","abstract_canon_sha256":"eda27c359867a999e54e55fbbe6fd9405901ceb70126afa834b8fbae6f6af5d5"},"schema_version":"1.0"},"canonical_sha256":"cbb017a0e34e6890d12b4c28aea687f7ac18f45f8e2ad1ebbf34da82bc981388","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:45.385223Z","signature_b64":"FYBQgLS9b7BF9liN+dP1AXS4yX0gPMoP/+Er42HnbfsZ0ZOYkPicXGtS5bu8WqhRbIi4Y4my7bdtLmqcEUOwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbb017a0e34e6890d12b4c28aea687f7ac18f45f8e2ad1ebbf34da82bc981388","last_reissued_at":"2026-05-18T03:28:45.384691Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:45.384691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4610","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":"2026-05-18T03:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GIMWwav+Q51A5vR//7qe9WnW3yzMVVWM56iMaMNnu6kC0Fk3LT6WbyrA2Zg1uprAFwAXGYccVUpNSmgC5rLxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:45:34.394785Z"},"content_sha256":"d555586609a537d9a8d75e5a9fb997d711adf99063ed509ff6138bd9826bd386","schema_version":"1.0","event_id":"sha256:d555586609a537d9a8d75e5a9fb997d711adf99063ed509ff6138bd9826bd386"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ZOYBPIHDJZUJBUJLJQUK5JUH66","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of double percolation transitions in Ag-SnO$_2$ nanogranular films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Yan-Fang Wei, Zhi-Qing Li","submitted_at":"2013-02-19T13:55:02Z","abstract_excerpt":"Two percolation transitions are observed in Ag$_x$(SnO$_2)_{1-x}$ nanogranular films with Ag volume fraction $x$ ranging from $\\sim$0.2 to $\\sim$0.9. In the vicinity of each percolation threshold $x_{ci}$ ($i$$=$1, 2), the variation in $\\sigma$ with $x$ obeys a power law for $x$$>$$x_{ci}$. The origin of the first percolation transition at $x_{c1}$ ($x_{c1}$$>$$x_{c2}$) is similar to that of the classical one, while the second transition is explained as originating from the tunneling to the second-nearest neighboring Ag particles. These observations provide strong experimental support for the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4610","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":"2026-05-18T03:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IeDOrjgJ56WAc2EdqZfGsCmVC+gVFulQXBnSZjLx7Z+/keYkRZDPFet+rPGp8zNr1FN/Uh5Mn9jd05uk1UfIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:45:34.395456Z"},"content_sha256":"b6fd9ccdef33004c4ab6a746bb3309c66be0b96e8a5c5da44ccc91cb768c3619","schema_version":"1.0","event_id":"sha256:b6fd9ccdef33004c4ab6a746bb3309c66be0b96e8a5c5da44ccc91cb768c3619"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/bundle.json","state_url":"https://pith.science/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/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":"2026-06-08T15:45:34Z","links":{"resolver":"https://pith.science/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66","bundle":"https://pith.science/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/bundle.json","state":"https://pith.science/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZOYBPIHDJZUJBUJLJQUK5JUH66/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZOYBPIHDJZUJBUJLJQUK5JUH66","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":"eda27c359867a999e54e55fbbe6fd9405901ceb70126afa834b8fbae6f6af5d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-19T13:55:02Z","title_canon_sha256":"776a823ca03053498d5f558014712204f3863cb20c81aa84bdaad90b5f989395"},"schema_version":"1.0","source":{"id":"1302.4610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4610","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4610v1","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4610","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"ZOYBPIHDJZUJ","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZOYBPIHDJZUJBUJL","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZOYBPIHD","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:b6fd9ccdef33004c4ab6a746bb3309c66be0b96e8a5c5da44ccc91cb768c3619","target":"graph","created_at":"2026-05-18T03:28:45Z","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":"Two percolation transitions are observed in Ag$_x$(SnO$_2)_{1-x}$ nanogranular films with Ag volume fraction $x$ ranging from $\\sim$0.2 to $\\sim$0.9. In the vicinity of each percolation threshold $x_{ci}$ ($i$$=$1, 2), the variation in $\\sigma$ with $x$ obeys a power law for $x$$>$$x_{ci}$. The origin of the first percolation transition at $x_{c1}$ ($x_{c1}$$>$$x_{c2}$) is similar to that of the classical one, while the second transition is explained as originating from the tunneling to the second-nearest neighboring Ag particles. These observations provide strong experimental support for the ","authors_text":"Yan-Fang Wei, Zhi-Qing Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-19T13:55:02Z","title":"Observation of double percolation transitions in Ag-SnO$_2$ nanogranular films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4610","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:d555586609a537d9a8d75e5a9fb997d711adf99063ed509ff6138bd9826bd386","target":"record","created_at":"2026-05-18T03:28:45Z","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":"eda27c359867a999e54e55fbbe6fd9405901ceb70126afa834b8fbae6f6af5d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-19T13:55:02Z","title_canon_sha256":"776a823ca03053498d5f558014712204f3863cb20c81aa84bdaad90b5f989395"},"schema_version":"1.0","source":{"id":"1302.4610","kind":"arxiv","version":1}},"canonical_sha256":"cbb017a0e34e6890d12b4c28aea687f7ac18f45f8e2ad1ebbf34da82bc981388","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbb017a0e34e6890d12b4c28aea687f7ac18f45f8e2ad1ebbf34da82bc981388","first_computed_at":"2026-05-18T03:28:45.384691Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:45.384691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FYBQgLS9b7BF9liN+dP1AXS4yX0gPMoP/+Er42HnbfsZ0ZOYkPicXGtS5bu8WqhRbIi4Y4my7bdtLmqcEUOwCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:45.385223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d555586609a537d9a8d75e5a9fb997d711adf99063ed509ff6138bd9826bd386","sha256:b6fd9ccdef33004c4ab6a746bb3309c66be0b96e8a5c5da44ccc91cb768c3619"],"state_sha256":"2a68b3030875fd786adf09277d8f97ef6c47e0f11047442d30a99dde8f8e2b12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SM7oXqSY376Q8WHJGvw5gigmddAYzo6jmHWFyzsJW8L371ly4o/Lf97G4bjeuts+ITtx+XGN1PH7eGujKMjrDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:45:34.398930Z","bundle_sha256":"73a13ea1c4a24411648178e0bb077ad3d3b505575aab3720bd0bff587b90daf1"}}