{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3B47BYZBLZG7PVPKM53J6L2KT3","short_pith_number":"pith:3B47BYZB","canonical_record":{"source":{"id":"1401.4240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-17T05:26:43Z","cross_cats_sorted":[],"title_canon_sha256":"ba89c0dd65c4342eea97a60646c21b076b9c064b624bd4932aab30fcf9ddba4e","abstract_canon_sha256":"c991e6317926e59f5d9dabd969f983c26f44f77366b3fb0ef08f835fb1e2dd46"},"schema_version":"1.0"},"canonical_sha256":"d879f0e3215e4df7d5ea67769f2f4a9ef08f2b7fe2d268e879818776c02e36cc","source":{"kind":"arxiv","id":"1401.4240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4240","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4240v1","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4240","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"3B47BYZBLZG7","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3B47BYZBLZG7PVPK","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3B47BYZB","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3B47BYZBLZG7PVPKM53J6L2KT3","target":"record","payload":{"canonical_record":{"source":{"id":"1401.4240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-17T05:26:43Z","cross_cats_sorted":[],"title_canon_sha256":"ba89c0dd65c4342eea97a60646c21b076b9c064b624bd4932aab30fcf9ddba4e","abstract_canon_sha256":"c991e6317926e59f5d9dabd969f983c26f44f77366b3fb0ef08f835fb1e2dd46"},"schema_version":"1.0"},"canonical_sha256":"d879f0e3215e4df7d5ea67769f2f4a9ef08f2b7fe2d268e879818776c02e36cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:20.123130Z","signature_b64":"snvWIWfZX9Mnod+XL1EGUQTmVw8fAJ1wSyPvDIUv68+3XtxZVp1Mb8vVxcC17mm9UyTISr2t3YcSD7DzIszaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d879f0e3215e4df7d5ea67769f2f4a9ef08f2b7fe2d268e879818776c02e36cc","last_reissued_at":"2026-05-18T02:49:20.122384Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:20.122384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.4240","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":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WP0bBUVNFNnYqgXJfORct4XosOnGSRLF37QBDkhkW/QeAj09RP80o8X7lDXegtZR2s/Uc804kTtF/jnHtmCDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:47:19.467524Z"},"content_sha256":"34cd55f6099b3bd1101a4a4804b185f6141ae76030063ba0c488c04857b20bf1","schema_version":"1.0","event_id":"sha256:34cd55f6099b3bd1101a4a4804b185f6141ae76030063ba0c488c04857b20bf1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3B47BYZBLZG7PVPKM53J6L2KT3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of Collective Dynamical Mass of Dirac Fermions in Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Carlos Forsythe, Donhee Ham, Hosang Yoon, James Hone, Kenji Watanabe, Lei Wang, Nikolaos Tombros, Philip Kim, Takashi Taniguchi","submitted_at":"2014-01-17T05:26:43Z","abstract_excerpt":"Individual electrons in graphene behave as massless quasiparticles. In surprising twist, it is inferred from plasmonic investigations that collectively excited graphene electrons must exhibit non-zero mass and its inertial acceleration is essential for graphene plasmonics. Despite such importance, this collective mass has defied direct unequivocal measurement. It may be directly measured by accelerating it with a time-varying voltage and quantifying the phase delay of the resulting current; this voltage-current phase relation would manifest as kinetic inductance, representing the collective in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4240","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":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"18jCdaarKeWOTQ7DOm3fZL/wnjPRB8gaxJUvaYfwm0Rh91NX0E8Y+2gc0BXewpgo8Ynp8IGucb23POByTALXCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:47:19.468189Z"},"content_sha256":"33751293e0c6b87c67a2058f4da4910ea13ee247e3c91cfc744e181068d8f512","schema_version":"1.0","event_id":"sha256:33751293e0c6b87c67a2058f4da4910ea13ee247e3c91cfc744e181068d8f512"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3B47BYZBLZG7PVPKM53J6L2KT3/bundle.json","state_url":"https://pith.science/pith/3B47BYZBLZG7PVPKM53J6L2KT3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3B47BYZBLZG7PVPKM53J6L2KT3/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":"2026-05-25T17:47:19Z","links":{"resolver":"https://pith.science/pith/3B47BYZBLZG7PVPKM53J6L2KT3","bundle":"https://pith.science/pith/3B47BYZBLZG7PVPKM53J6L2KT3/bundle.json","state":"https://pith.science/pith/3B47BYZBLZG7PVPKM53J6L2KT3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3B47BYZBLZG7PVPKM53J6L2KT3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3B47BYZBLZG7PVPKM53J6L2KT3","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":"c991e6317926e59f5d9dabd969f983c26f44f77366b3fb0ef08f835fb1e2dd46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-17T05:26:43Z","title_canon_sha256":"ba89c0dd65c4342eea97a60646c21b076b9c064b624bd4932aab30fcf9ddba4e"},"schema_version":"1.0","source":{"id":"1401.4240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4240","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4240v1","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4240","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"3B47BYZBLZG7","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3B47BYZBLZG7PVPK","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3B47BYZB","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:33751293e0c6b87c67a2058f4da4910ea13ee247e3c91cfc744e181068d8f512","target":"graph","created_at":"2026-05-18T02:49:20Z","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":"Individual electrons in graphene behave as massless quasiparticles. In surprising twist, it is inferred from plasmonic investigations that collectively excited graphene electrons must exhibit non-zero mass and its inertial acceleration is essential for graphene plasmonics. Despite such importance, this collective mass has defied direct unequivocal measurement. It may be directly measured by accelerating it with a time-varying voltage and quantifying the phase delay of the resulting current; this voltage-current phase relation would manifest as kinetic inductance, representing the collective in","authors_text":"Carlos Forsythe, Donhee Ham, Hosang Yoon, James Hone, Kenji Watanabe, Lei Wang, Nikolaos Tombros, Philip Kim, Takashi Taniguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-17T05:26:43Z","title":"Measurement of Collective Dynamical Mass of Dirac Fermions in Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4240","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":"sha256:34cd55f6099b3bd1101a4a4804b185f6141ae76030063ba0c488c04857b20bf1","target":"record","created_at":"2026-05-18T02:49:20Z","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":"c991e6317926e59f5d9dabd969f983c26f44f77366b3fb0ef08f835fb1e2dd46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-17T05:26:43Z","title_canon_sha256":"ba89c0dd65c4342eea97a60646c21b076b9c064b624bd4932aab30fcf9ddba4e"},"schema_version":"1.0","source":{"id":"1401.4240","kind":"arxiv","version":1}},"canonical_sha256":"d879f0e3215e4df7d5ea67769f2f4a9ef08f2b7fe2d268e879818776c02e36cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d879f0e3215e4df7d5ea67769f2f4a9ef08f2b7fe2d268e879818776c02e36cc","first_computed_at":"2026-05-18T02:49:20.122384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:20.122384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"snvWIWfZX9Mnod+XL1EGUQTmVw8fAJ1wSyPvDIUv68+3XtxZVp1Mb8vVxcC17mm9UyTISr2t3YcSD7DzIszaCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:20.123130Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.4240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34cd55f6099b3bd1101a4a4804b185f6141ae76030063ba0c488c04857b20bf1","sha256:33751293e0c6b87c67a2058f4da4910ea13ee247e3c91cfc744e181068d8f512"],"state_sha256":"ba9f08e53488d9d5646f586c3ad47188ccebe1bceaacf3eff349c91c7bc77c3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ib+YK94dz5henfdDYet08MP5qXDFeTFOVY/gyGjce4jr6JVxl2s1rfd7OCDocaBywAriQa1xP/l3g7TFrag0AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:47:19.471558Z","bundle_sha256":"eb604fee929c8710f3ea6a814a0c5fce90e5cd19f0813bb2cd0bfe59d18806eb"}}