{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7BYVXEYRLPTCW3DFZJ3NQJHXAP","short_pith_number":"pith:7BYVXEYR","canonical_record":{"source":{"id":"1509.07182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-23T23:46:51Z","cross_cats_sorted":[],"title_canon_sha256":"a582293781dd60c6446eaba80ba39ca0d36bdeba0ac1ed8181c7aa542fa9cc9a","abstract_canon_sha256":"ae33f85ecafbfcdee4bb2188bdf5056da943b441810d83efff061714f037278f"},"schema_version":"1.0"},"canonical_sha256":"f8715b93115be62b6c65ca76d824f703d3fd1c5e4d9dd893b06d484f5cdf99ca","source":{"kind":"arxiv","id":"1509.07182","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07182","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07182v1","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07182","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"7BYVXEYRLPTC","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7BYVXEYRLPTCW3DF","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7BYVXEYR","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7BYVXEYRLPTCW3DFZJ3NQJHXAP","target":"record","payload":{"canonical_record":{"source":{"id":"1509.07182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-23T23:46:51Z","cross_cats_sorted":[],"title_canon_sha256":"a582293781dd60c6446eaba80ba39ca0d36bdeba0ac1ed8181c7aa542fa9cc9a","abstract_canon_sha256":"ae33f85ecafbfcdee4bb2188bdf5056da943b441810d83efff061714f037278f"},"schema_version":"1.0"},"canonical_sha256":"f8715b93115be62b6c65ca76d824f703d3fd1c5e4d9dd893b06d484f5cdf99ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:45.702191Z","signature_b64":"Ee4cIwUuRQ2vlF2yFc1b7MN88XV4yFuF57E9a21j6tzi8PUS9gJ6xuzc2eKX8RSHWGZBsjin5b0zjBvAulgKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8715b93115be62b6c65ca76d824f703d3fd1c5e4d9dd893b06d484f5cdf99ca","last_reissued_at":"2026-05-18T01:28:45.701641Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:45.701641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.07182","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":"2026-05-18T01:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PAq5N4uT2f8Mx+cI/n8RHa6UbNinqzCiLNZ1FCjJBJIIIFF/Pt1gk0rUZbIlOH0xRFAr/p3djF4NrixkJqxnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:16:00.224197Z"},"content_sha256":"b1c20017bf6e989ac40d504074384158d113952b9c6e7692a6da14f616292e94","schema_version":"1.0","event_id":"sha256:b1c20017bf6e989ac40d504074384158d113952b9c6e7692a6da14f616292e94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7BYVXEYRLPTCW3DFZJ3NQJHXAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plasmon-enhanced electron-phonon coupling in Dirac surface states of the thin-film topological insulator Bi2Se3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"David Lederman, Sercan Babakiray, Yuri D. Glinka","submitted_at":"2015-09-23T23:46:51Z","abstract_excerpt":"Raman measurements of a Fano-type surface phonon mode associated with Dirac surface states (SS) in Bi2Se3 topological insulator thin films allowed an unambiguous determination of the electron-phonon coupling strength in Dirac SS as a function of film thickness ranging from 2 to 40 nm. A non-monotonic enhancement of the electron-phonon coupling strength with maximum for the 8 - 10 nm thick films was observed. The non-monotonicity is suggested to originate from plasmon-phonon coupling which enhances electron-phonon coupling when free carrier density in Dirac SS increases with decreasing film thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07182","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":"2026-05-18T01:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iKtP0dQCPa1aoZke9AHV/z0caFzL2x++nynk831ySq1tjIHBhNpzV6J2/1/w0YKWm9SaltQr3q7vUHT7BMBFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:16:00.224586Z"},"content_sha256":"112d7f32e909ec904ff194db2790aedce3a19d6928a1593f9211fbfb6c40495b","schema_version":"1.0","event_id":"sha256:112d7f32e909ec904ff194db2790aedce3a19d6928a1593f9211fbfb6c40495b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/bundle.json","state_url":"https://pith.science/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/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":"2026-06-01T05:16:00Z","links":{"resolver":"https://pith.science/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP","bundle":"https://pith.science/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/bundle.json","state":"https://pith.science/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BYVXEYRLPTCW3DFZJ3NQJHXAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7BYVXEYRLPTCW3DFZJ3NQJHXAP","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":"ae33f85ecafbfcdee4bb2188bdf5056da943b441810d83efff061714f037278f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-23T23:46:51Z","title_canon_sha256":"a582293781dd60c6446eaba80ba39ca0d36bdeba0ac1ed8181c7aa542fa9cc9a"},"schema_version":"1.0","source":{"id":"1509.07182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07182","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07182v1","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07182","created_at":"2026-05-18T01:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"7BYVXEYRLPTC","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7BYVXEYRLPTCW3DF","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7BYVXEYR","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:112d7f32e909ec904ff194db2790aedce3a19d6928a1593f9211fbfb6c40495b","target":"graph","created_at":"2026-05-18T01:28:45Z","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":"Raman measurements of a Fano-type surface phonon mode associated with Dirac surface states (SS) in Bi2Se3 topological insulator thin films allowed an unambiguous determination of the electron-phonon coupling strength in Dirac SS as a function of film thickness ranging from 2 to 40 nm. A non-monotonic enhancement of the electron-phonon coupling strength with maximum for the 8 - 10 nm thick films was observed. The non-monotonicity is suggested to originate from plasmon-phonon coupling which enhances electron-phonon coupling when free carrier density in Dirac SS increases with decreasing film thi","authors_text":"David Lederman, Sercan Babakiray, Yuri D. Glinka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-23T23:46:51Z","title":"Plasmon-enhanced electron-phonon coupling in Dirac surface states of the thin-film topological insulator Bi2Se3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07182","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:b1c20017bf6e989ac40d504074384158d113952b9c6e7692a6da14f616292e94","target":"record","created_at":"2026-05-18T01:28:45Z","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":"ae33f85ecafbfcdee4bb2188bdf5056da943b441810d83efff061714f037278f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-23T23:46:51Z","title_canon_sha256":"a582293781dd60c6446eaba80ba39ca0d36bdeba0ac1ed8181c7aa542fa9cc9a"},"schema_version":"1.0","source":{"id":"1509.07182","kind":"arxiv","version":1}},"canonical_sha256":"f8715b93115be62b6c65ca76d824f703d3fd1c5e4d9dd893b06d484f5cdf99ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8715b93115be62b6c65ca76d824f703d3fd1c5e4d9dd893b06d484f5cdf99ca","first_computed_at":"2026-05-18T01:28:45.701641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:45.701641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ee4cIwUuRQ2vlF2yFc1b7MN88XV4yFuF57E9a21j6tzi8PUS9gJ6xuzc2eKX8RSHWGZBsjin5b0zjBvAulgKAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:45.702191Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.07182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1c20017bf6e989ac40d504074384158d113952b9c6e7692a6da14f616292e94","sha256:112d7f32e909ec904ff194db2790aedce3a19d6928a1593f9211fbfb6c40495b"],"state_sha256":"5773dbc6e1257f4257dc60b1d422b9770e355ce07939a4f0b810197817b372ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CXavqJbP+y334SaH+g8USlnztJPgCxhjLyzKPnh8Mk/Vvo5UUhpOyVjeojBHP16YwiMQrCoAfCtDj7IBuOiDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:16:00.226733Z","bundle_sha256":"3cb6f0fda3d892e7064568a9792538e2ac220f3e66fb2bfcc518cc21a2058048"}}