{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:P2BM2OGXRO524JER6J2DPAAQUJ","short_pith_number":"pith:P2BM2OGX","canonical_record":{"source":{"id":"1110.3921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-18T09:33:19Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5af59ad5c4c36e1d878095663babb6a214d75edf1b82795d42d9613d0d2956db","abstract_canon_sha256":"185055314c537357e00018611493116b3a2a8593602977a7b0e2497313d8e3c1"},"schema_version":"1.0"},"canonical_sha256":"7e82cd38d78bbbae2491f274378010a274beb61e7efbc99e960befcb6832baec","source":{"kind":"arxiv","id":"1110.3921","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3921","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3921v1","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3921","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"pith_short_12","alias_value":"P2BM2OGXRO52","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"P2BM2OGXRO524JER","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"P2BM2OGX","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:P2BM2OGXRO524JER6J2DPAAQUJ","target":"record","payload":{"canonical_record":{"source":{"id":"1110.3921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-18T09:33:19Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5af59ad5c4c36e1d878095663babb6a214d75edf1b82795d42d9613d0d2956db","abstract_canon_sha256":"185055314c537357e00018611493116b3a2a8593602977a7b0e2497313d8e3c1"},"schema_version":"1.0"},"canonical_sha256":"7e82cd38d78bbbae2491f274378010a274beb61e7efbc99e960befcb6832baec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:49.223198Z","signature_b64":"sYeXU/2Ze0NZJXjTPrHtf/IOvD+eLNrczwPOL1MFrLNv/udYfwuJZiyYQaR0iOlY1e1pXcd8g7WuqxWWu/SRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e82cd38d78bbbae2491f274378010a274beb61e7efbc99e960befcb6832baec","last_reissued_at":"2026-05-18T04:00:49.222765Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:49.222765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.3921","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":"2026-05-18T04:00:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z1jdawzM7TQ0mIUU/2m8DK9O9pi29adDHHCJJg2LboWeudtvFJemeLEN0nUG4epQnxz16golgWpAOstkA7uRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T21:58:24.198801Z"},"content_sha256":"a3ac4629f9c9defff4164d615bfcd1cee43f6be6fc6defcde66eabe784bddb1f","schema_version":"1.0","event_id":"sha256:a3ac4629f9c9defff4164d615bfcd1cee43f6be6fc6defcde66eabe784bddb1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:P2BM2OGXRO524JER6J2DPAAQUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic approach to surface pattern formation by ion beams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Mario Castro, Rodolfo Cuerno","submitted_at":"2011-10-18T09:33:19Z","abstract_excerpt":"On the proper timescale, amorphous solids can flow. Solid flow can be observed macroscopically in glaciers or lead pipes, but it can also be artificially enhanced by creating defects. Ion Beam Sputtering (IBS) is a technique in which ions with energies in the 0.1-10 keV range impact against a solid target inducing defect creation and dynamics, and eroding its surface leading to formation of ordered nanostructures. Despite its technological interest, a basic understanding of nanopattern formation processes occurring under IBS of amorphizable targets has not been clearly established, recent expe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3921","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":"2026-05-18T04:00:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1RG4P3RB4Nz9memBHq5q9afZh3/fId0yEEOWC/cEg46kxxdmY7sIg74J88CeAo6eWN6uS12iF0CeVcv4lGvVBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T21:58:24.199149Z"},"content_sha256":"9b335484727addf92c1b1c48a3c4cd452d86556e3ba1b034f0ac552d236b37c9","schema_version":"1.0","event_id":"sha256:9b335484727addf92c1b1c48a3c4cd452d86556e3ba1b034f0ac552d236b37c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P2BM2OGXRO524JER6J2DPAAQUJ/bundle.json","state_url":"https://pith.science/pith/P2BM2OGXRO524JER6J2DPAAQUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P2BM2OGXRO524JER6J2DPAAQUJ/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":"2026-06-21T21:58:24Z","links":{"resolver":"https://pith.science/pith/P2BM2OGXRO524JER6J2DPAAQUJ","bundle":"https://pith.science/pith/P2BM2OGXRO524JER6J2DPAAQUJ/bundle.json","state":"https://pith.science/pith/P2BM2OGXRO524JER6J2DPAAQUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P2BM2OGXRO524JER6J2DPAAQUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:P2BM2OGXRO524JER6J2DPAAQUJ","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":"185055314c537357e00018611493116b3a2a8593602977a7b0e2497313d8e3c1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-18T09:33:19Z","title_canon_sha256":"5af59ad5c4c36e1d878095663babb6a214d75edf1b82795d42d9613d0d2956db"},"schema_version":"1.0","source":{"id":"1110.3921","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3921","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3921v1","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3921","created_at":"2026-05-18T04:00:49Z"},{"alias_kind":"pith_short_12","alias_value":"P2BM2OGXRO52","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"P2BM2OGXRO524JER","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"P2BM2OGX","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:9b335484727addf92c1b1c48a3c4cd452d86556e3ba1b034f0ac552d236b37c9","target":"graph","created_at":"2026-05-18T04:00:49Z","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":"On the proper timescale, amorphous solids can flow. Solid flow can be observed macroscopically in glaciers or lead pipes, but it can also be artificially enhanced by creating defects. Ion Beam Sputtering (IBS) is a technique in which ions with energies in the 0.1-10 keV range impact against a solid target inducing defect creation and dynamics, and eroding its surface leading to formation of ordered nanostructures. Despite its technological interest, a basic understanding of nanopattern formation processes occurring under IBS of amorphizable targets has not been clearly established, recent expe","authors_text":"Mario Castro, Rodolfo Cuerno","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-18T09:33:19Z","title":"Hydrodynamic approach to surface pattern formation by ion beams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3921","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:a3ac4629f9c9defff4164d615bfcd1cee43f6be6fc6defcde66eabe784bddb1f","target":"record","created_at":"2026-05-18T04:00:49Z","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":"185055314c537357e00018611493116b3a2a8593602977a7b0e2497313d8e3c1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-18T09:33:19Z","title_canon_sha256":"5af59ad5c4c36e1d878095663babb6a214d75edf1b82795d42d9613d0d2956db"},"schema_version":"1.0","source":{"id":"1110.3921","kind":"arxiv","version":1}},"canonical_sha256":"7e82cd38d78bbbae2491f274378010a274beb61e7efbc99e960befcb6832baec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e82cd38d78bbbae2491f274378010a274beb61e7efbc99e960befcb6832baec","first_computed_at":"2026-05-18T04:00:49.222765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:49.222765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sYeXU/2Ze0NZJXjTPrHtf/IOvD+eLNrczwPOL1MFrLNv/udYfwuJZiyYQaR0iOlY1e1pXcd8g7WuqxWWu/SRBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:49.223198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.3921","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3ac4629f9c9defff4164d615bfcd1cee43f6be6fc6defcde66eabe784bddb1f","sha256:9b335484727addf92c1b1c48a3c4cd452d86556e3ba1b034f0ac552d236b37c9"],"state_sha256":"21de7398c8b6f448dc0963ce77939059c1b9eade3ab9305bb654202afadf57fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FzPfYnD7ZK9FJ3e6/SQDthU1Ki/uaq562nE130ugb5/iN2Bnkc24gl4EfQfWvBn7oanb2VCyXho1lSRhD/qBDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T21:58:24.201185Z","bundle_sha256":"0e9f910617af49f37ba61bc25828652b8b792420312da9e2fbf9fe8695d8ef87"}}