{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Y4D2SHZRIBPMG4XOGJGXIIMBFS","short_pith_number":"pith:Y4D2SHZR","canonical_record":{"source":{"id":"1908.05886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-16T08:33:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"4838ce7e98125b6e1dca5d7efeede3d751406f91e0c937dd8b2c2bf01788ceb4","abstract_canon_sha256":"d9ce7b7916925864cd8845117e0a9098cef569f40ffa051f1a7a772d02248542"},"schema_version":"1.0"},"canonical_sha256":"c707a91f31405ec372ee324d7421812c94a9b926ed542c4012d35edf78fdced4","source":{"kind":"arxiv","id":"1908.05886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.05886","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"arxiv_version","alias_value":"1908.05886v1","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.05886","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_12","alias_value":"Y4D2SHZRIBPM","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_16","alias_value":"Y4D2SHZRIBPMG4XO","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_8","alias_value":"Y4D2SHZR","created_at":"2026-07-04T23:57:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Y4D2SHZRIBPMG4XOGJGXIIMBFS","target":"record","payload":{"canonical_record":{"source":{"id":"1908.05886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-16T08:33:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"4838ce7e98125b6e1dca5d7efeede3d751406f91e0c937dd8b2c2bf01788ceb4","abstract_canon_sha256":"d9ce7b7916925864cd8845117e0a9098cef569f40ffa051f1a7a772d02248542"},"schema_version":"1.0"},"canonical_sha256":"c707a91f31405ec372ee324d7421812c94a9b926ed542c4012d35edf78fdced4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:54.030860Z","signature_b64":"+OkHmS8fSf4XqscpZY4dlrF3cKfqJbdsV0kPlqwRiDpbkP73ZV9+L/br12ac/JkOSjFsPi50AVdFCpnJLjeTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c707a91f31405ec372ee324d7421812c94a9b926ed542c4012d35edf78fdced4","last_reissued_at":"2026-07-04T23:57:54.030491Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:54.030491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.05886","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":"2026-07-04T23:57:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qh19syXCiL/yTOAeo/QXDkOxqEkl8iUJXU6fRXZnfN8aryY31cTohiDllzwTAOiYa/gSa08iW5iaqdRkUie4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T13:07:39.473405Z"},"content_sha256":"9376bc9a9b365d0f654785b058efd57a0f1e83d928910932436f436fef0485cc","schema_version":"1.0","event_id":"sha256:9376bc9a9b365d0f654785b058efd57a0f1e83d928910932436f436fef0485cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Y4D2SHZRIBPMG4XOGJGXIIMBFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of annealing temperature on the structural, topographical and optical properties of sol gel derived ZnO thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"C.D.Mukherjee, Joydip Sengupta, K.K.Bardhan, R.K.Sahoo","submitted_at":"2019-08-16T08:33:44Z","abstract_excerpt":"This investigation deals with the effect of annealing temperature on the structural, topographical and optical properties of Zinc Oxide thin films prepared by sol gel method. The structural properties were studied using X-ray diffraction and the recorded patterns indicated that all the films had a preferred orientation along (002) plane and the crystallinity along with the grain size were augmented with annealing temperature. The topographical modification of the films due to heat treatment was probed by atomic force microscopy which revealed that annealing roughened the surface of the film. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.05886","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/1908.05886/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":"2026-07-04T23:57:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ih+LWr6khYN0h9v5aD1mPdGp1x9dujb7GjVxcvhsl3u6GdPpYe//1NgROiC0wHLbBvBRJBSdR548vgtD+b94AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T13:07:39.473970Z"},"content_sha256":"e37d88f2bcca19465e2951006353fb45daa755d322ce4dfb1a4457220e51d511","schema_version":"1.0","event_id":"sha256:e37d88f2bcca19465e2951006353fb45daa755d322ce4dfb1a4457220e51d511"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/bundle.json","state_url":"https://pith.science/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/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":"2026-08-16T13:07:39Z","links":{"resolver":"https://pith.science/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS","bundle":"https://pith.science/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/bundle.json","state":"https://pith.science/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4D2SHZRIBPMG4XOGJGXIIMBFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y4D2SHZRIBPMG4XOGJGXIIMBFS","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":"d9ce7b7916925864cd8845117e0a9098cef569f40ffa051f1a7a772d02248542","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-16T08:33:44Z","title_canon_sha256":"4838ce7e98125b6e1dca5d7efeede3d751406f91e0c937dd8b2c2bf01788ceb4"},"schema_version":"1.0","source":{"id":"1908.05886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.05886","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"arxiv_version","alias_value":"1908.05886v1","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.05886","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_12","alias_value":"Y4D2SHZRIBPM","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_16","alias_value":"Y4D2SHZRIBPMG4XO","created_at":"2026-07-04T23:57:54Z"},{"alias_kind":"pith_short_8","alias_value":"Y4D2SHZR","created_at":"2026-07-04T23:57:54Z"}],"graph_snapshots":[{"event_id":"sha256:e37d88f2bcca19465e2951006353fb45daa755d322ce4dfb1a4457220e51d511","target":"graph","created_at":"2026-07-04T23:57:54Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.05886/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This investigation deals with the effect of annealing temperature on the structural, topographical and optical properties of Zinc Oxide thin films prepared by sol gel method. The structural properties were studied using X-ray diffraction and the recorded patterns indicated that all the films had a preferred orientation along (002) plane and the crystallinity along with the grain size were augmented with annealing temperature. The topographical modification of the films due to heat treatment was probed by atomic force microscopy which revealed that annealing roughened the surface of the film. T","authors_text":"C.D.Mukherjee, Joydip Sengupta, K.K.Bardhan, R.K.Sahoo","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-16T08:33:44Z","title":"Influence of annealing temperature on the structural, topographical and optical properties of sol gel derived ZnO thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.05886","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":"sha256:9376bc9a9b365d0f654785b058efd57a0f1e83d928910932436f436fef0485cc","target":"record","created_at":"2026-07-04T23:57:54Z","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":"d9ce7b7916925864cd8845117e0a9098cef569f40ffa051f1a7a772d02248542","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-16T08:33:44Z","title_canon_sha256":"4838ce7e98125b6e1dca5d7efeede3d751406f91e0c937dd8b2c2bf01788ceb4"},"schema_version":"1.0","source":{"id":"1908.05886","kind":"arxiv","version":1}},"canonical_sha256":"c707a91f31405ec372ee324d7421812c94a9b926ed542c4012d35edf78fdced4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c707a91f31405ec372ee324d7421812c94a9b926ed542c4012d35edf78fdced4","first_computed_at":"2026-07-04T23:57:54.030491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:57:54.030491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+OkHmS8fSf4XqscpZY4dlrF3cKfqJbdsV0kPlqwRiDpbkP73ZV9+L/br12ac/JkOSjFsPi50AVdFCpnJLjeTDg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:57:54.030860Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.05886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9376bc9a9b365d0f654785b058efd57a0f1e83d928910932436f436fef0485cc","sha256:e37d88f2bcca19465e2951006353fb45daa755d322ce4dfb1a4457220e51d511"],"state_sha256":"bc77b74acbdc15f43ea6bcabb20aac0f919a40126dc1dee9c0ca288b8e22378f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0zDJgDwbw4eyxTCSxusI6Qpvj+l6z/7xGrL0fvi/HB0HY1zn3yZYO75LyYHvhEhhWkCMPLrEfF5LHcFv1rbYCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T13:07:39.478891Z","bundle_sha256":"62826eac61be559aac9fcf43df5bc2ab527e66f14f142d1e76542fcd18460464"}}