{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:KFNJHS6N3JV7H7AFZQNCIVWHPU","short_pith_number":"pith:KFNJHS6N","canonical_record":{"source":{"id":"1202.5381","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T07:13:01Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"311a78651ed464141902af1a42beb461686bda6a3a6e7ca3a781fcd4f2f576d4","abstract_canon_sha256":"716f83b7f4db4977b9ca4b7e217cac79c63645d303281cb534fb62cbce8db3c3"},"schema_version":"1.0"},"canonical_sha256":"515a93cbcdda6bf3fc05cc1a2456c77d330a50ec936797876ac064a82f40ea7f","source":{"kind":"arxiv","id":"1202.5381","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5381","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5381v1","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5381","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"KFNJHS6N3JV7","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KFNJHS6N3JV7H7AF","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KFNJHS6N","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:KFNJHS6N3JV7H7AFZQNCIVWHPU","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5381","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T07:13:01Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"311a78651ed464141902af1a42beb461686bda6a3a6e7ca3a781fcd4f2f576d4","abstract_canon_sha256":"716f83b7f4db4977b9ca4b7e217cac79c63645d303281cb534fb62cbce8db3c3"},"schema_version":"1.0"},"canonical_sha256":"515a93cbcdda6bf3fc05cc1a2456c77d330a50ec936797876ac064a82f40ea7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:19.996504Z","signature_b64":"jKEdQkRMtY9L9VnqzFWApDV8JVc+2VEwtJ1fCK9B3Q4b3ehpbqd4ZI2JzI/Yh8QRs3N7mOsp5AcwOl2bfuwRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"515a93cbcdda6bf3fc05cc1a2456c77d330a50ec936797876ac064a82f40ea7f","last_reissued_at":"2026-05-18T01:58:19.996050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:19.996050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5381","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":"2026-05-18T01:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VkbuOMXQiSdXGZ6lLJYfmsKIQmKOMz09PCbtKrpZe8TJa+dyvVwiSFd2sKUE3NAqee6dX4syj/DCS0dvSpcVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:29:19.083266Z"},"content_sha256":"f54d50894c8f24bfc8c4af5599c2d3497581c87e23d99f0a473a0316078a5be6","schema_version":"1.0","event_id":"sha256:f54d50894c8f24bfc8c4af5599c2d3497581c87e23d99f0a473a0316078a5be6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:KFNJHS6N3JV7H7AFZQNCIVWHPU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unusual pattern formation on Si(100) due to low energy ion bombardment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Harapur, India), India (2) Bhubaneswar Institute of Technology, Jyoti Ranjan Mohanty (2), Sachivalaya Marg, Tanmoy Basu (1), T. Som (1)((1) Institute of Physics","submitted_at":"2012-02-24T07:13:01Z","abstract_excerpt":"In this paper evolution of silicon surface topography, under low energy ion bombardment, is investigated at higher oblique incident angles in the range of 63\\degree-83\\degree. Si(100) substrates were exposed to 500 eV argon ions. Different surface morphology evolves with increasing angle of incidence. Parallel-mode ripples are observed up to 67\\degree which undergo a transition to perpendicular-mode ripples at 80\\degree. However, this transition is not a sharp one but undergoes a series of unusual pattern formation at intermediate angles. Complete smoothening of silicon surface is observed at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5381","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":"2026-05-18T01:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d+jYcnjIPAOyKja0Rtc12zi+qzoHSm6xNae81eB0O/mBWihNPNydJT0c0pkvydK1zF3y5/JaCHLs02pfIiXKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:29:19.083642Z"},"content_sha256":"b8ca62210245b52957176e6715cc8c5f0c67b9ae46faac1fb4437aa5dd276a6a","schema_version":"1.0","event_id":"sha256:b8ca62210245b52957176e6715cc8c5f0c67b9ae46faac1fb4437aa5dd276a6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/bundle.json","state_url":"https://pith.science/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/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":"2026-05-28T07:29:19Z","links":{"resolver":"https://pith.science/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU","bundle":"https://pith.science/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/bundle.json","state":"https://pith.science/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KFNJHS6N3JV7H7AFZQNCIVWHPU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:KFNJHS6N3JV7H7AFZQNCIVWHPU","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":"716f83b7f4db4977b9ca4b7e217cac79c63645d303281cb534fb62cbce8db3c3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T07:13:01Z","title_canon_sha256":"311a78651ed464141902af1a42beb461686bda6a3a6e7ca3a781fcd4f2f576d4"},"schema_version":"1.0","source":{"id":"1202.5381","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5381","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5381v1","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5381","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"KFNJHS6N3JV7","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KFNJHS6N3JV7H7AF","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KFNJHS6N","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:b8ca62210245b52957176e6715cc8c5f0c67b9ae46faac1fb4437aa5dd276a6a","target":"graph","created_at":"2026-05-18T01:58:19Z","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":"In this paper evolution of silicon surface topography, under low energy ion bombardment, is investigated at higher oblique incident angles in the range of 63\\degree-83\\degree. Si(100) substrates were exposed to 500 eV argon ions. Different surface morphology evolves with increasing angle of incidence. Parallel-mode ripples are observed up to 67\\degree which undergo a transition to perpendicular-mode ripples at 80\\degree. However, this transition is not a sharp one but undergoes a series of unusual pattern formation at intermediate angles. Complete smoothening of silicon surface is observed at ","authors_text":"Harapur, India), India (2) Bhubaneswar Institute of Technology, Jyoti Ranjan Mohanty (2), Sachivalaya Marg, Tanmoy Basu (1), T. Som (1)((1) Institute of Physics","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T07:13:01Z","title":"Unusual pattern formation on Si(100) due to low energy ion bombardment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5381","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:f54d50894c8f24bfc8c4af5599c2d3497581c87e23d99f0a473a0316078a5be6","target":"record","created_at":"2026-05-18T01:58:19Z","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":"716f83b7f4db4977b9ca4b7e217cac79c63645d303281cb534fb62cbce8db3c3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-02-24T07:13:01Z","title_canon_sha256":"311a78651ed464141902af1a42beb461686bda6a3a6e7ca3a781fcd4f2f576d4"},"schema_version":"1.0","source":{"id":"1202.5381","kind":"arxiv","version":1}},"canonical_sha256":"515a93cbcdda6bf3fc05cc1a2456c77d330a50ec936797876ac064a82f40ea7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"515a93cbcdda6bf3fc05cc1a2456c77d330a50ec936797876ac064a82f40ea7f","first_computed_at":"2026-05-18T01:58:19.996050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:19.996050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jKEdQkRMtY9L9VnqzFWApDV8JVc+2VEwtJ1fCK9B3Q4b3ehpbqd4ZI2JzI/Yh8QRs3N7mOsp5AcwOl2bfuwRDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:19.996504Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5381","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f54d50894c8f24bfc8c4af5599c2d3497581c87e23d99f0a473a0316078a5be6","sha256:b8ca62210245b52957176e6715cc8c5f0c67b9ae46faac1fb4437aa5dd276a6a"],"state_sha256":"936e933a5a9f860c71df4d9dad6e49df3cd81abd882ff3ee2feac8406b9741dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hmrrpuJX/tFPj7RHjQq6LSRFJ3tNjiZMUTO5m7lmwrA4tI1QVaMeHyrh9lbQMxrLkK1dsmm6jhaHm5RA6HqWAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:29:19.085657Z","bundle_sha256":"8350aac767287c98dc496b1a241259dbaa5a65d1af307b6147bd4702dac3a981"}}