{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YC7DBZDT77TDRYHHQ5VAWAOHUN","short_pith_number":"pith:YC7DBZDT","canonical_record":{"source":{"id":"1609.07998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-22T16:40:05Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d61869c66ddbdc101d0167d6d1a1e4fec38ad5338e49c340dfd91a5ff7f564c1","abstract_canon_sha256":"ebc27d33d1794e61b7eb04a446cfb5e554cbf0e6c947cf9ab8aa56747cfce7f4"},"schema_version":"1.0"},"canonical_sha256":"c0be30e473ffe638e0e7876a0b01c7a359144b64f80020ae9bc41bcfdfcce133","source":{"kind":"arxiv","id":"1609.07998","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.07998","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"arxiv_version","alias_value":"1609.07998v1","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07998","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"pith_short_12","alias_value":"YC7DBZDT77TD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YC7DBZDT77TDRYHH","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YC7DBZDT","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YC7DBZDT77TDRYHHQ5VAWAOHUN","target":"record","payload":{"canonical_record":{"source":{"id":"1609.07998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-22T16:40:05Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d61869c66ddbdc101d0167d6d1a1e4fec38ad5338e49c340dfd91a5ff7f564c1","abstract_canon_sha256":"ebc27d33d1794e61b7eb04a446cfb5e554cbf0e6c947cf9ab8aa56747cfce7f4"},"schema_version":"1.0"},"canonical_sha256":"c0be30e473ffe638e0e7876a0b01c7a359144b64f80020ae9bc41bcfdfcce133","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:13.520246Z","signature_b64":"bpLaro8cDEn33O93Dwl+pM9Ci/7J5yKG1eRoadzdJJW94VXefxPUVvJlx4igG3pPMZWZVI1qRDAlIEGAl/72AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0be30e473ffe638e0e7876a0b01c7a359144b64f80020ae9bc41bcfdfcce133","last_reissued_at":"2026-05-18T01:03:13.519649Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:13.519649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.07998","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":"2026-05-18T01:03:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Af0ezDel2pCDdhBhyKaMaJkLBJcZF1s5TTGUY3afsVzKVPLxdj07IuYKzWgqxYHGSZeF+LBko8gLK4Q5zG1GCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:51:41.503339Z"},"content_sha256":"503163ade9a69414f4cb753ba965bb231c7abb6892436cb6000c993753326a16","schema_version":"1.0","event_id":"sha256:503163ade9a69414f4cb753ba965bb231c7abb6892436cb6000c993753326a16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YC7DBZDT77TDRYHHQ5VAWAOHUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cs+ sputtered clusters from multi-walled carbon nanotubes and graphite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ahsan Mushtaq, Athar Naeem, Muhammad Khaleel, Muhammad Shahnawz, Muhammad Yousuf, Shahzad Saadat, Shoaib Ahmad, Sumaira Zeeshan, Sumera Javeed","submitted_at":"2016-09-22T16:40:05Z","abstract_excerpt":"Experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the resulting structural changes. The simultaneous adsorption of cesium on the surface and bombardment by energetic cesium ions is shown to play its role in the cluster formation and sputtering of carbon atoms and clusters and the cesium substituted carbon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07998","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":"2026-05-18T01:03:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WWt6aDyKGFONlhbgjVB3lcCnf9N35sjdE8sfvjK67bQ5tQv1MjOZEwUae6ylbQuPnKQs7V0ZVF3+iPUln50DBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:51:41.503717Z"},"content_sha256":"e382e1abb74736913fa5aca12c6b7ecf8b93e38926a1dfb2ac4e7c63ac6aa5e4","schema_version":"1.0","event_id":"sha256:e382e1abb74736913fa5aca12c6b7ecf8b93e38926a1dfb2ac4e7c63ac6aa5e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/bundle.json","state_url":"https://pith.science/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/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":"2026-06-01T21:51:41Z","links":{"resolver":"https://pith.science/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN","bundle":"https://pith.science/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/bundle.json","state":"https://pith.science/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YC7DBZDT77TDRYHHQ5VAWAOHUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YC7DBZDT77TDRYHHQ5VAWAOHUN","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":"ebc27d33d1794e61b7eb04a446cfb5e554cbf0e6c947cf9ab8aa56747cfce7f4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-22T16:40:05Z","title_canon_sha256":"d61869c66ddbdc101d0167d6d1a1e4fec38ad5338e49c340dfd91a5ff7f564c1"},"schema_version":"1.0","source":{"id":"1609.07998","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.07998","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"arxiv_version","alias_value":"1609.07998v1","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07998","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"pith_short_12","alias_value":"YC7DBZDT77TD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YC7DBZDT77TDRYHH","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YC7DBZDT","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:e382e1abb74736913fa5aca12c6b7ecf8b93e38926a1dfb2ac4e7c63ac6aa5e4","target":"graph","created_at":"2026-05-18T01:03:13Z","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":"Experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the resulting structural changes. The simultaneous adsorption of cesium on the surface and bombardment by energetic cesium ions is shown to play its role in the cluster formation and sputtering of carbon atoms and clusters and the cesium substituted carbon","authors_text":"Ahsan Mushtaq, Athar Naeem, Muhammad Khaleel, Muhammad Shahnawz, Muhammad Yousuf, Shahzad Saadat, Shoaib Ahmad, Sumaira Zeeshan, Sumera Javeed","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-22T16:40:05Z","title":"Cs+ sputtered clusters from multi-walled carbon nanotubes and graphite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07998","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":"sha256:503163ade9a69414f4cb753ba965bb231c7abb6892436cb6000c993753326a16","target":"record","created_at":"2026-05-18T01:03:13Z","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":"ebc27d33d1794e61b7eb04a446cfb5e554cbf0e6c947cf9ab8aa56747cfce7f4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-22T16:40:05Z","title_canon_sha256":"d61869c66ddbdc101d0167d6d1a1e4fec38ad5338e49c340dfd91a5ff7f564c1"},"schema_version":"1.0","source":{"id":"1609.07998","kind":"arxiv","version":1}},"canonical_sha256":"c0be30e473ffe638e0e7876a0b01c7a359144b64f80020ae9bc41bcfdfcce133","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0be30e473ffe638e0e7876a0b01c7a359144b64f80020ae9bc41bcfdfcce133","first_computed_at":"2026-05-18T01:03:13.519649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:13.519649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bpLaro8cDEn33O93Dwl+pM9Ci/7J5yKG1eRoadzdJJW94VXefxPUVvJlx4igG3pPMZWZVI1qRDAlIEGAl/72AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:13.520246Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.07998","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:503163ade9a69414f4cb753ba965bb231c7abb6892436cb6000c993753326a16","sha256:e382e1abb74736913fa5aca12c6b7ecf8b93e38926a1dfb2ac4e7c63ac6aa5e4"],"state_sha256":"57de2294757214da66ae36380b9a78b5fa053cc68a6d8ecbdb836f70f4acad82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n8hWY6IV2D1DppFP3ZFve/hRyq0mqhuOHo8j+uKgRrkEz4iOgxDPS3+lVEELUlwH8zdz/HGt2Tpfdh3s2EeCBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:51:41.505749Z","bundle_sha256":"911b93ef5b9893fdec422b1cf87b106c08b575017ab747bfcad2f0c8b083c8c0"}}