{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NODIKQ2AZ7NTZ3QMUZWBACKKFU","short_pith_number":"pith:NODIKQ2A","canonical_record":{"source":{"id":"1108.0846","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-08-03T14:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"e79a761d38bb946d68c1276f43ac22d583f1cd22138f32c164b077ab067011a0","abstract_canon_sha256":"0c1eb7df2d378b6eeb6acb8a0121a7f3fbb9d199bb3c273ce30c099e0eb94b60"},"schema_version":"1.0"},"canonical_sha256":"6b86854340cfdb3cee0ca66c10094a2d14f8219293f7dbd502990955ca126cc0","source":{"kind":"arxiv","id":"1108.0846","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0846","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0846v1","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0846","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"NODIKQ2AZ7NT","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NODIKQ2AZ7NTZ3QM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NODIKQ2A","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NODIKQ2AZ7NTZ3QMUZWBACKKFU","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0846","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-08-03T14:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"e79a761d38bb946d68c1276f43ac22d583f1cd22138f32c164b077ab067011a0","abstract_canon_sha256":"0c1eb7df2d378b6eeb6acb8a0121a7f3fbb9d199bb3c273ce30c099e0eb94b60"},"schema_version":"1.0"},"canonical_sha256":"6b86854340cfdb3cee0ca66c10094a2d14f8219293f7dbd502990955ca126cc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:21.884550Z","signature_b64":"QtNNK4G6fro40LscguGyMdfOqMJxLWYrF5VYKnfZiI7AJ04JeHV3nKZw0bQZ4/JNIQ2fqkj37ItnbFAF5ypeDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b86854340cfdb3cee0ca66c10094a2d14f8219293f7dbd502990955ca126cc0","last_reissued_at":"2026-05-18T04:16:21.883950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:21.883950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0846","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":"2026-05-18T04:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QfZCAo4DoSDSUcruiiFpCyiFZfCSd0Hhcn0Ea75ZtKD8OgtvQqOsb8Fp5sIYbZgPRTYzAj/wQ/Wv9Bz0E59nBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:08:36.388919Z"},"content_sha256":"4eeafa16e5584a613293dd3f2a35b7390b1c9b5e6fd61e35b2223c52e36199f4","schema_version":"1.0","event_id":"sha256:4eeafa16e5584a613293dd3f2a35b7390b1c9b5e6fd61e35b2223c52e36199f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NODIKQ2AZ7NTZ3QMUZWBACKKFU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface Structural Disordering in Graphite upon Lithium Intercalation/Deintercalation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Laurence J. Hardwick, Robert Kostecki, Venkat Srinivasan, Vijay A. Sethuraman","submitted_at":"2011-08-03T14:01:38Z","abstract_excerpt":"We report on the origin of the surface structural disordering in graphite anodes induced by lithium intercalation and deintercalation processes. Average Raman spectra of graphitic anodes reveal that cycling at potentials that correspond to low lithium concentrations in LixC (0 \\leq x < 0.16) is responsible for most of the structural damage observed at the graphite surface. The extent of surface structural disorder in graphite is significantly reduced for the anodes that were cycled at potentials where stage-1 and stage-2 compounds (x > 0.33) are present. Electrochemical impedance spectra show "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0846","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":"2026-05-18T04:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R4Hi39EGbQul1SjwV8NBx3CK3PgmqAECEJD85onSv4u3e0PeejtMbzEuKHEBAHTb5IAP1uihpnPEfopcAZEzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:08:36.389375Z"},"content_sha256":"81767c4899d95b41cebc11a8409267013c5374f4d7fc7180a2b33027e5300ee3","schema_version":"1.0","event_id":"sha256:81767c4899d95b41cebc11a8409267013c5374f4d7fc7180a2b33027e5300ee3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/bundle.json","state_url":"https://pith.science/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/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":"2026-05-26T05:08:36Z","links":{"resolver":"https://pith.science/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU","bundle":"https://pith.science/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/bundle.json","state":"https://pith.science/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NODIKQ2AZ7NTZ3QMUZWBACKKFU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NODIKQ2AZ7NTZ3QMUZWBACKKFU","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":"0c1eb7df2d378b6eeb6acb8a0121a7f3fbb9d199bb3c273ce30c099e0eb94b60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-08-03T14:01:38Z","title_canon_sha256":"e79a761d38bb946d68c1276f43ac22d583f1cd22138f32c164b077ab067011a0"},"schema_version":"1.0","source":{"id":"1108.0846","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0846","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0846v1","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0846","created_at":"2026-05-18T04:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"NODIKQ2AZ7NT","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NODIKQ2AZ7NTZ3QM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NODIKQ2A","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:81767c4899d95b41cebc11a8409267013c5374f4d7fc7180a2b33027e5300ee3","target":"graph","created_at":"2026-05-18T04:16:21Z","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 report on the origin of the surface structural disordering in graphite anodes induced by lithium intercalation and deintercalation processes. Average Raman spectra of graphitic anodes reveal that cycling at potentials that correspond to low lithium concentrations in LixC (0 \\leq x < 0.16) is responsible for most of the structural damage observed at the graphite surface. The extent of surface structural disorder in graphite is significantly reduced for the anodes that were cycled at potentials where stage-1 and stage-2 compounds (x > 0.33) are present. Electrochemical impedance spectra show ","authors_text":"Laurence J. Hardwick, Robert Kostecki, Venkat Srinivasan, Vijay A. Sethuraman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-08-03T14:01:38Z","title":"Surface Structural Disordering in Graphite upon Lithium Intercalation/Deintercalation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0846","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":"sha256:4eeafa16e5584a613293dd3f2a35b7390b1c9b5e6fd61e35b2223c52e36199f4","target":"record","created_at":"2026-05-18T04:16:21Z","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":"0c1eb7df2d378b6eeb6acb8a0121a7f3fbb9d199bb3c273ce30c099e0eb94b60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-08-03T14:01:38Z","title_canon_sha256":"e79a761d38bb946d68c1276f43ac22d583f1cd22138f32c164b077ab067011a0"},"schema_version":"1.0","source":{"id":"1108.0846","kind":"arxiv","version":1}},"canonical_sha256":"6b86854340cfdb3cee0ca66c10094a2d14f8219293f7dbd502990955ca126cc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b86854340cfdb3cee0ca66c10094a2d14f8219293f7dbd502990955ca126cc0","first_computed_at":"2026-05-18T04:16:21.883950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:21.883950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QtNNK4G6fro40LscguGyMdfOqMJxLWYrF5VYKnfZiI7AJ04JeHV3nKZw0bQZ4/JNIQ2fqkj37ItnbFAF5ypeDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:21.884550Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0846","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4eeafa16e5584a613293dd3f2a35b7390b1c9b5e6fd61e35b2223c52e36199f4","sha256:81767c4899d95b41cebc11a8409267013c5374f4d7fc7180a2b33027e5300ee3"],"state_sha256":"8d6819f35e7b87a0451a361e0bb65bb91d660cb96d4af06c019cdfaa42b8c349"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M6htayrH9HdJpQGQ22XUwbyveG8Y93uJXakWREF1BOcsdOphcbCAfGfJ3AKkvTcDzgNn38CbZLYtcjd/SVKzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T05:08:36.391909Z","bundle_sha256":"fb70b16adf894786901a1f9cb557f9e72d6891b8f0a858edb9f8bfa1fbdd4442"}}