{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4GTT4FV3PKIL42KI7K2N4CBTCS","short_pith_number":"pith:4GTT4FV3","canonical_record":{"source":{"id":"2606.11441","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-09T20:51:35Z","cross_cats_sorted":[],"title_canon_sha256":"352a74c734ed6c53460a03cc7297e351c0c15f2f077bcfcbefd3fad26ce40933","abstract_canon_sha256":"8c8487ff64afb53ce33ee5113b6910387da4f2810466c5809a2b1cbd613e2077"},"schema_version":"1.0"},"canonical_sha256":"e1a73e16bb7a90be6948fab4de0833148bf814de1fe0e0ba0ca926b50d0af6d4","source":{"kind":"arxiv","id":"2606.11441","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.11441","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.11441v1","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.11441","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_12","alias_value":"4GTT4FV3PKIL","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_16","alias_value":"4GTT4FV3PKIL42KI","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_8","alias_value":"4GTT4FV3","created_at":"2026-06-11T01:09:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4GTT4FV3PKIL42KI7K2N4CBTCS","target":"record","payload":{"canonical_record":{"source":{"id":"2606.11441","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-09T20:51:35Z","cross_cats_sorted":[],"title_canon_sha256":"352a74c734ed6c53460a03cc7297e351c0c15f2f077bcfcbefd3fad26ce40933","abstract_canon_sha256":"8c8487ff64afb53ce33ee5113b6910387da4f2810466c5809a2b1cbd613e2077"},"schema_version":"1.0"},"canonical_sha256":"e1a73e16bb7a90be6948fab4de0833148bf814de1fe0e0ba0ca926b50d0af6d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T01:09:48.687193Z","signature_b64":"GQJKXQ7FyS1lcTBVw7a8j89liRzQX1gQzAZ0/tAyhHoE3f4seELXitFFjvc+68ltpsNYqrUkiq39XGe5aA0ADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1a73e16bb7a90be6948fab4de0833148bf814de1fe0e0ba0ca926b50d0af6d4","last_reissued_at":"2026-06-11T01:09:48.686705Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T01:09:48.686705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.11441","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":"2026-06-11T01:09:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"USTTIqbFGAaq7RLM1Mk4PClLW+VjMzT1NHzs1NM/0nvl0w6REfrjZH7b0un/fFUWEVU/cC0YQrQ0FpzVxearBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T00:08:42.359104Z"},"content_sha256":"a0d4cb8d4d191617887f19203eaf0558bfbd731c99ce12250d4972361ce9d379","schema_version":"1.0","event_id":"sha256:a0d4cb8d4d191617887f19203eaf0558bfbd731c99ce12250d4972361ce9d379"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4GTT4FV3PKIL42KI7K2N4CBTCS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Screening of the Coulomb interaction in Carbon Nanotubes: A First-Principles cRPA study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hanif Hadipour, Mohadese Rezayi","submitted_at":"2026-06-09T20:51:35Z","abstract_excerpt":"We investigate the electronic screening of long-range Coulomb interactions in carbon nanotubes with different chiralities using first-principles calculations within the random-phase approximation. Depending on their wrapping vector, carbon nanotubes exhibit either metallic or semiconducting behavior, providing an ideal platform to explore how reduced dimensionality and electronic structure govern screening in one-dimensional systems. The strength of on-site Coulomb interactions in these compounds falls within the range of 3.5 to 5 eV, which is approximately 2-3 eV smaller than the correspondin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.11441","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.11441/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-11T01:09:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FptTQu+wz1R+H/h6tJMo1/TYduwuWwZhY1t8A/3cBkRfg91ttL8HQhW7DVeU1STXV9E+S0x8vumkouVBwd6nBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T00:08:42.359499Z"},"content_sha256":"8705d7ab586af3dcbc45a8221c448e3e1cfc57818ba7635e41fe62ca992e19ec","schema_version":"1.0","event_id":"sha256:8705d7ab586af3dcbc45a8221c448e3e1cfc57818ba7635e41fe62ca992e19ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/bundle.json","state_url":"https://pith.science/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/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":"2026-07-01T00:08:42Z","links":{"resolver":"https://pith.science/pith/4GTT4FV3PKIL42KI7K2N4CBTCS","bundle":"https://pith.science/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/bundle.json","state":"https://pith.science/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GTT4FV3PKIL42KI7K2N4CBTCS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4GTT4FV3PKIL42KI7K2N4CBTCS","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":"8c8487ff64afb53ce33ee5113b6910387da4f2810466c5809a2b1cbd613e2077","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-09T20:51:35Z","title_canon_sha256":"352a74c734ed6c53460a03cc7297e351c0c15f2f077bcfcbefd3fad26ce40933"},"schema_version":"1.0","source":{"id":"2606.11441","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.11441","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.11441v1","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.11441","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_12","alias_value":"4GTT4FV3PKIL","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_16","alias_value":"4GTT4FV3PKIL42KI","created_at":"2026-06-11T01:09:48Z"},{"alias_kind":"pith_short_8","alias_value":"4GTT4FV3","created_at":"2026-06-11T01:09:48Z"}],"graph_snapshots":[{"event_id":"sha256:8705d7ab586af3dcbc45a8221c448e3e1cfc57818ba7635e41fe62ca992e19ec","target":"graph","created_at":"2026-06-11T01:09:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.11441/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the electronic screening of long-range Coulomb interactions in carbon nanotubes with different chiralities using first-principles calculations within the random-phase approximation. Depending on their wrapping vector, carbon nanotubes exhibit either metallic or semiconducting behavior, providing an ideal platform to explore how reduced dimensionality and electronic structure govern screening in one-dimensional systems. The strength of on-site Coulomb interactions in these compounds falls within the range of 3.5 to 5 eV, which is approximately 2-3 eV smaller than the correspondin","authors_text":"Hanif Hadipour, Mohadese Rezayi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-09T20:51:35Z","title":"Screening of the Coulomb interaction in Carbon Nanotubes: A First-Principles cRPA study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.11441","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:a0d4cb8d4d191617887f19203eaf0558bfbd731c99ce12250d4972361ce9d379","target":"record","created_at":"2026-06-11T01:09:48Z","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":"8c8487ff64afb53ce33ee5113b6910387da4f2810466c5809a2b1cbd613e2077","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-09T20:51:35Z","title_canon_sha256":"352a74c734ed6c53460a03cc7297e351c0c15f2f077bcfcbefd3fad26ce40933"},"schema_version":"1.0","source":{"id":"2606.11441","kind":"arxiv","version":1}},"canonical_sha256":"e1a73e16bb7a90be6948fab4de0833148bf814de1fe0e0ba0ca926b50d0af6d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1a73e16bb7a90be6948fab4de0833148bf814de1fe0e0ba0ca926b50d0af6d4","first_computed_at":"2026-06-11T01:09:48.686705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-11T01:09:48.686705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GQJKXQ7FyS1lcTBVw7a8j89liRzQX1gQzAZ0/tAyhHoE3f4seELXitFFjvc+68ltpsNYqrUkiq39XGe5aA0ADg==","signature_status":"signed_v1","signed_at":"2026-06-11T01:09:48.687193Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.11441","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0d4cb8d4d191617887f19203eaf0558bfbd731c99ce12250d4972361ce9d379","sha256:8705d7ab586af3dcbc45a8221c448e3e1cfc57818ba7635e41fe62ca992e19ec"],"state_sha256":"05cd78f6f26a7626625bd89564985cc02718d877839b24d2ff5482d13e5d11bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EkuHrgJv4HVQJc7Ry5zwCMib2z6Kmw3SkmfGhXJZuDa4rKBi9dITfe05T4XfNJPxqjmlA2NEsE+kMs8BBnD+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T00:08:42.361573Z","bundle_sha256":"96dc9e5f411033e726c1dc36be9b8f32c300439884d4d3a6954ada4efbbea2ca"}}