{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PJT5C4H7Z5DN7FI3363CWQOX43","short_pith_number":"pith:PJT5C4H7","canonical_record":{"source":{"id":"1601.08040","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-29T10:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"cef58f886ab28bcba8909eb4c3fa7770d7461b406acbb936d43f54af2433e985","abstract_canon_sha256":"d7756417b3c151a84096382414d75648fa0ad4eca31cd3af704a7d13ff4f653c"},"schema_version":"1.0"},"canonical_sha256":"7a67d170ffcf46df951bdfb62b41d7e6de81b25682a4a9ca4870e206277ee796","source":{"kind":"arxiv","id":"1601.08040","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.08040","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.08040v1","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.08040","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"PJT5C4H7Z5DN","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PJT5C4H7Z5DN7FI3","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PJT5C4H7","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PJT5C4H7Z5DN7FI3363CWQOX43","target":"record","payload":{"canonical_record":{"source":{"id":"1601.08040","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-29T10:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"cef58f886ab28bcba8909eb4c3fa7770d7461b406acbb936d43f54af2433e985","abstract_canon_sha256":"d7756417b3c151a84096382414d75648fa0ad4eca31cd3af704a7d13ff4f653c"},"schema_version":"1.0"},"canonical_sha256":"7a67d170ffcf46df951bdfb62b41d7e6de81b25682a4a9ca4870e206277ee796","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:41.105879Z","signature_b64":"fSf7/fHKTYNZTJDlszUHJG0XDG6GzR4xWQUJSMR8IG0zouY/eiM0YZ6BCVNt1QXDPxRlCsBg8IXmCseCxQMfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a67d170ffcf46df951bdfb62b41d7e6de81b25682a4a9ca4870e206277ee796","last_reissued_at":"2026-05-18T01:21:41.105243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:41.105243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.08040","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":"2026-05-18T01:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3+duL4p/g95OYrJqanPRn1fFNzGsK+y8+U4xMsD1x3shBPwV1MGqYyCL+/RH1xoh7jKtmye+FUaVkjb4bRgYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:12.983388Z"},"content_sha256":"675d97584ed8a1ef38e278850148fc82d059e4818d268966cbf1ce75974b04f9","schema_version":"1.0","event_id":"sha256:675d97584ed8a1ef38e278850148fc82d059e4818d268966cbf1ce75974b04f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PJT5C4H7Z5DN7FI3363CWQOX43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gas phase synthesis of non-bundled, small diameter single-walled carbon nanotubes with near-armchair chiralities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Albert G. Nasibulin, Antti Kaskela, Esko I. Kauppinen, Hua Jiang, Kimmo Mustonen, Nikolay Houbenov, Olivier Reynaud, Patrik Laiho, Toma Susi, Ying Tian, Zhen Zhu","submitted_at":"2016-01-29T10:31:18Z","abstract_excerpt":"We present a novel floating catalyst synthesis route for individual, i.e. non-bundled, small diameter single-walled carbon nanotubes (SWCNTs) with a narrow chiral angle distribution peaking at high chiralities near the armchair species. An ex situ spark discharge generator was used to form iron particles with geometric number mean diameters of 3-4 nm and fed into a laminar flow chemical vapour deposition reactor for the continuous synthesis of long and high-quality SWCNTs from ambient pressure carbon monoxide. The intensity ratio of G/D peaks in Raman spectra up to 48 and mean tube lengths up "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.08040","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":"2026-05-18T01:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y5dpFrb3521bGl0M6C7F/s5Gq1M7/0lMkqBov8E7ikpcrt6E54i3FwiiyyZcgtsq3UA7ZMWsldU5CF9BcHSxDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:12.983765Z"},"content_sha256":"3d9af5a291fcc99bc997819e631d68e50a46cd0232ff6141f8f60b976ac382e7","schema_version":"1.0","event_id":"sha256:3d9af5a291fcc99bc997819e631d68e50a46cd0232ff6141f8f60b976ac382e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJT5C4H7Z5DN7FI3363CWQOX43/bundle.json","state_url":"https://pith.science/pith/PJT5C4H7Z5DN7FI3363CWQOX43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJT5C4H7Z5DN7FI3363CWQOX43/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":"2026-05-26T21:42:12Z","links":{"resolver":"https://pith.science/pith/PJT5C4H7Z5DN7FI3363CWQOX43","bundle":"https://pith.science/pith/PJT5C4H7Z5DN7FI3363CWQOX43/bundle.json","state":"https://pith.science/pith/PJT5C4H7Z5DN7FI3363CWQOX43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJT5C4H7Z5DN7FI3363CWQOX43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PJT5C4H7Z5DN7FI3363CWQOX43","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":"d7756417b3c151a84096382414d75648fa0ad4eca31cd3af704a7d13ff4f653c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-29T10:31:18Z","title_canon_sha256":"cef58f886ab28bcba8909eb4c3fa7770d7461b406acbb936d43f54af2433e985"},"schema_version":"1.0","source":{"id":"1601.08040","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.08040","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.08040v1","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.08040","created_at":"2026-05-18T01:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"PJT5C4H7Z5DN","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PJT5C4H7Z5DN7FI3","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PJT5C4H7","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:3d9af5a291fcc99bc997819e631d68e50a46cd0232ff6141f8f60b976ac382e7","target":"graph","created_at":"2026-05-18T01:21:41Z","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 present a novel floating catalyst synthesis route for individual, i.e. non-bundled, small diameter single-walled carbon nanotubes (SWCNTs) with a narrow chiral angle distribution peaking at high chiralities near the armchair species. An ex situ spark discharge generator was used to form iron particles with geometric number mean diameters of 3-4 nm and fed into a laminar flow chemical vapour deposition reactor for the continuous synthesis of long and high-quality SWCNTs from ambient pressure carbon monoxide. The intensity ratio of G/D peaks in Raman spectra up to 48 and mean tube lengths up ","authors_text":"Albert G. Nasibulin, Antti Kaskela, Esko I. Kauppinen, Hua Jiang, Kimmo Mustonen, Nikolay Houbenov, Olivier Reynaud, Patrik Laiho, Toma Susi, Ying Tian, Zhen Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-29T10:31:18Z","title":"Gas phase synthesis of non-bundled, small diameter single-walled carbon nanotubes with near-armchair chiralities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.08040","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":"sha256:675d97584ed8a1ef38e278850148fc82d059e4818d268966cbf1ce75974b04f9","target":"record","created_at":"2026-05-18T01:21:41Z","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":"d7756417b3c151a84096382414d75648fa0ad4eca31cd3af704a7d13ff4f653c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-29T10:31:18Z","title_canon_sha256":"cef58f886ab28bcba8909eb4c3fa7770d7461b406acbb936d43f54af2433e985"},"schema_version":"1.0","source":{"id":"1601.08040","kind":"arxiv","version":1}},"canonical_sha256":"7a67d170ffcf46df951bdfb62b41d7e6de81b25682a4a9ca4870e206277ee796","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a67d170ffcf46df951bdfb62b41d7e6de81b25682a4a9ca4870e206277ee796","first_computed_at":"2026-05-18T01:21:41.105243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:41.105243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fSf7/fHKTYNZTJDlszUHJG0XDG6GzR4xWQUJSMR8IG0zouY/eiM0YZ6BCVNt1QXDPxRlCsBg8IXmCseCxQMfCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:41.105879Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.08040","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:675d97584ed8a1ef38e278850148fc82d059e4818d268966cbf1ce75974b04f9","sha256:3d9af5a291fcc99bc997819e631d68e50a46cd0232ff6141f8f60b976ac382e7"],"state_sha256":"c0c384644108b2e71be4d2a805c98e397726aeaf11b1785df2ec371159aeb604"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DJUJCu9cIi8R/TaxGsmaaLnRpyu++rjOKD9oQ1bBAmXCz+1mo8lZKlQv+W3azDtH3rDaJUAPNCmkn8fsq8HGAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:42:12.986263Z","bundle_sha256":"e47493dff9d0096b8ca14e50136789d55b751aeae244f3564211383dfb7c571a"}}