{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KFQHWZITFNBWX6WJNLVOMC3OCY","short_pith_number":"pith:KFQHWZIT","canonical_record":{"source":{"id":"1609.08005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-23T11:55:27Z","cross_cats_sorted":[],"title_canon_sha256":"7cfde8613b2c83d76686557e70f54650c013d10d4c7ca026792e567486eedd31","abstract_canon_sha256":"19fd547375f9d9647d06193fc51844f71253cde852ef13265d8473d5e296de7a"},"schema_version":"1.0"},"canonical_sha256":"51607b65132b436bfac96aeae60b6e1609c98bc53e9aa367524c89ed63e3a809","source":{"kind":"arxiv","id":"1609.08005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08005","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08005v1","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08005","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"KFQHWZITFNBW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KFQHWZITFNBWX6WJ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KFQHWZIT","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KFQHWZITFNBWX6WJNLVOMC3OCY","target":"record","payload":{"canonical_record":{"source":{"id":"1609.08005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-23T11:55:27Z","cross_cats_sorted":[],"title_canon_sha256":"7cfde8613b2c83d76686557e70f54650c013d10d4c7ca026792e567486eedd31","abstract_canon_sha256":"19fd547375f9d9647d06193fc51844f71253cde852ef13265d8473d5e296de7a"},"schema_version":"1.0"},"canonical_sha256":"51607b65132b436bfac96aeae60b6e1609c98bc53e9aa367524c89ed63e3a809","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:54.688039Z","signature_b64":"c4iai8XQ08DL1r1RHVn85dACQlUsjZLBhf9fqo9AQQmjco2zyf/3bM3QRgsj4gvby1imnfsUYqO1yjWzozvsBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51607b65132b436bfac96aeae60b6e1609c98bc53e9aa367524c89ed63e3a809","last_reissued_at":"2026-05-18T01:03:54.687280Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:54.687280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.08005","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":"2026-05-18T01:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bog7gdWmgawl/BQ5CfbZPy4DaIJYG4l3It/rkCkftgWwVJwoXp6VQyPNrnEarlRZpl2tlcfY7BB6ls8I2LYKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:38:41.207739Z"},"content_sha256":"5ab0cb384dd2fca4df9240992050ae33b3ba08fcb5250e1fe5a4db9deb5d4f22","schema_version":"1.0","event_id":"sha256:5ab0cb384dd2fca4df9240992050ae33b3ba08fcb5250e1fe5a4db9deb5d4f22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KFQHWZITFNBWX6WJNLVOMC3OCY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Amorphous carbon films in direct current magnetron sputtering from regenerative sooting discharge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Afshan Ashraf, Kashif Yaqub, Mazhar Mehmood, Muhammad Anwar-ul-Haq, Shoaib Ahmad, Sohail Ahmad Janjua, Sumaira Zeeshan, Sumera Javeed, Sumera Yamin","submitted_at":"2016-09-23T11:55:27Z","abstract_excerpt":"We present results of carbon coatings on metal substrates in cylindrical hollow cathode (CHC) direct current magnetron sputtering. This is a new technique of making amorphous carbon film in CHC magnetron sputtering from regenerative sooting discharge. The carbon films are deposited on Cu and Al substrates in Ne atmosphere and compared with the films of carbon soot on the same materials produced from conventional arc discharge between graphite electrodes at 80 Angstrom in He background. The films are characterized using online emission, Raman, and Fourier transform infrared spectroscopy; X-ray "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08005","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":"2026-05-18T01:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hdNSgC41De+DNZzZd1lYXEd01O5rT8zNOT90jo07WVi7azq6R0SC/vMWG4AZV2CiIbG7O815H2ptlKOsAoQAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:38:41.208092Z"},"content_sha256":"1215b337d0cd071bba5231c4901261975e40059087cf817a32de11f59e42fb26","schema_version":"1.0","event_id":"sha256:1215b337d0cd071bba5231c4901261975e40059087cf817a32de11f59e42fb26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/bundle.json","state_url":"https://pith.science/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/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":"2026-06-01T15:38:41Z","links":{"resolver":"https://pith.science/pith/KFQHWZITFNBWX6WJNLVOMC3OCY","bundle":"https://pith.science/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/bundle.json","state":"https://pith.science/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KFQHWZITFNBWX6WJNLVOMC3OCY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KFQHWZITFNBWX6WJNLVOMC3OCY","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":"19fd547375f9d9647d06193fc51844f71253cde852ef13265d8473d5e296de7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-23T11:55:27Z","title_canon_sha256":"7cfde8613b2c83d76686557e70f54650c013d10d4c7ca026792e567486eedd31"},"schema_version":"1.0","source":{"id":"1609.08005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08005","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08005v1","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08005","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"KFQHWZITFNBW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KFQHWZITFNBWX6WJ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KFQHWZIT","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:1215b337d0cd071bba5231c4901261975e40059087cf817a32de11f59e42fb26","target":"graph","created_at":"2026-05-18T01:03:54Z","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 results of carbon coatings on metal substrates in cylindrical hollow cathode (CHC) direct current magnetron sputtering. This is a new technique of making amorphous carbon film in CHC magnetron sputtering from regenerative sooting discharge. The carbon films are deposited on Cu and Al substrates in Ne atmosphere and compared with the films of carbon soot on the same materials produced from conventional arc discharge between graphite electrodes at 80 Angstrom in He background. The films are characterized using online emission, Raman, and Fourier transform infrared spectroscopy; X-ray ","authors_text":"Afshan Ashraf, Kashif Yaqub, Mazhar Mehmood, Muhammad Anwar-ul-Haq, Shoaib Ahmad, Sohail Ahmad Janjua, Sumaira Zeeshan, Sumera Javeed, Sumera Yamin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-23T11:55:27Z","title":"Amorphous carbon films in direct current magnetron sputtering from regenerative sooting discharge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08005","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":"sha256:5ab0cb384dd2fca4df9240992050ae33b3ba08fcb5250e1fe5a4db9deb5d4f22","target":"record","created_at":"2026-05-18T01:03:54Z","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":"19fd547375f9d9647d06193fc51844f71253cde852ef13265d8473d5e296de7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-23T11:55:27Z","title_canon_sha256":"7cfde8613b2c83d76686557e70f54650c013d10d4c7ca026792e567486eedd31"},"schema_version":"1.0","source":{"id":"1609.08005","kind":"arxiv","version":1}},"canonical_sha256":"51607b65132b436bfac96aeae60b6e1609c98bc53e9aa367524c89ed63e3a809","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51607b65132b436bfac96aeae60b6e1609c98bc53e9aa367524c89ed63e3a809","first_computed_at":"2026-05-18T01:03:54.687280Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:54.687280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c4iai8XQ08DL1r1RHVn85dACQlUsjZLBhf9fqo9AQQmjco2zyf/3bM3QRgsj4gvby1imnfsUYqO1yjWzozvsBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:54.688039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ab0cb384dd2fca4df9240992050ae33b3ba08fcb5250e1fe5a4db9deb5d4f22","sha256:1215b337d0cd071bba5231c4901261975e40059087cf817a32de11f59e42fb26"],"state_sha256":"b370719b8444e5c314681ef9e32f5e2125aaffe6bda01148cc71857fc131d378"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TEBBxiYGZGxyQBb4zyRrMfC2mv07j1PD78AEArAvap7sJoTIMjEwNAzS8CcFewIt7zNE2K+s43dhuVzLXq2eDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T15:38:41.210101Z","bundle_sha256":"dc73111b83a0ee83c6cea6a9e1af830c3ad452def13876d4b4e80df57822d828"}}