{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RDPHXLBISPSROGQITTCPYOWVV5","short_pith_number":"pith:RDPHXLBI","canonical_record":{"source":{"id":"1504.05847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-22T15:37:18Z","cross_cats_sorted":[],"title_canon_sha256":"867503068bc9e917d7fa00bd64dd9435b69cd24c152596971ece3f530da5f017","abstract_canon_sha256":"be3c1cb46e6d0bc779d0a726e2c9b40156a50476926cbf825b2683ac9fd2cdce"},"schema_version":"1.0"},"canonical_sha256":"88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd","source":{"kind":"arxiv","id":"1504.05847","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05847","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05847v1","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05847","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"RDPHXLBISPSR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RDPHXLBISPSROGQI","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RDPHXLBI","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RDPHXLBISPSROGQITTCPYOWVV5","target":"record","payload":{"canonical_record":{"source":{"id":"1504.05847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-22T15:37:18Z","cross_cats_sorted":[],"title_canon_sha256":"867503068bc9e917d7fa00bd64dd9435b69cd24c152596971ece3f530da5f017","abstract_canon_sha256":"be3c1cb46e6d0bc779d0a726e2c9b40156a50476926cbf825b2683ac9fd2cdce"},"schema_version":"1.0"},"canonical_sha256":"88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:46.850989Z","signature_b64":"lECUuBulJy84Xj2DfCBvRb9BUrMb44fGy/fuLY0KJ2zlBIou2Akbf3bypQ5lqjDoPKxVEtB5Fd91x9++SzKUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd","last_reissued_at":"2026-05-18T01:15:46.850308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:46.850308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.05847","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":"2026-05-18T01:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqI87ftEp9Hszhqc2Pkv761iz8eQvXOlbC4a4fW1oYXw1ytXZjO5LKBXHpKIwF7nelXmRn9VJQkteVmR4TKGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:28:55.099451Z"},"content_sha256":"1cd08a0a9a6f9865ded8a8e8df940d49a75a88a7e8d9da30c563696aaa6eaae5","schema_version":"1.0","event_id":"sha256:1cd08a0a9a6f9865ded8a8e8df940d49a75a88a7e8d9da30c563696aaa6eaae5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RDPHXLBISPSROGQITTCPYOWVV5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Drop impact on a solid surface: short time self-similarity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Arnaud Antkowiak, Julien Philippi, Pierre-Yves Lagr\\'ee","submitted_at":"2015-04-22T15:37:18Z","abstract_excerpt":"The early stages of drop impact onto a solid surface are considered. Detailed numerical simulations and detailed asymptotic analysis of the process reveal a self-similar structure both for the velocity field and the pressure field. The latter is shown to exhibit a maximum not near the impact point, but rather at the contact line. The motion of the contact line is furthermore shown to exhibit a 'tank treading' motion. These observations are apprehended at the light of a variant of Wagner theory for liquid impact. This framework offers a simple analogy where the fluid motion within the impacting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05847","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":"2026-05-18T01:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xXSdwilzHh5AEwqwbCRKsaFwY8/rdpxJhspiv8Ea1nNiyO8zodzLsRmi8Mmws6XY9Sfr4B720UOd1Blmre58DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:28:55.100043Z"},"content_sha256":"82d389e1302adbbff6fcec0881dc3c69bca514894afd223fe0440a840ade3dac","schema_version":"1.0","event_id":"sha256:82d389e1302adbbff6fcec0881dc3c69bca514894afd223fe0440a840ade3dac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDPHXLBISPSROGQITTCPYOWVV5/bundle.json","state_url":"https://pith.science/pith/RDPHXLBISPSROGQITTCPYOWVV5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDPHXLBISPSROGQITTCPYOWVV5/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":"2026-05-22T10:28:55Z","links":{"resolver":"https://pith.science/pith/RDPHXLBISPSROGQITTCPYOWVV5","bundle":"https://pith.science/pith/RDPHXLBISPSROGQITTCPYOWVV5/bundle.json","state":"https://pith.science/pith/RDPHXLBISPSROGQITTCPYOWVV5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDPHXLBISPSROGQITTCPYOWVV5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RDPHXLBISPSROGQITTCPYOWVV5","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":"be3c1cb46e6d0bc779d0a726e2c9b40156a50476926cbf825b2683ac9fd2cdce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-22T15:37:18Z","title_canon_sha256":"867503068bc9e917d7fa00bd64dd9435b69cd24c152596971ece3f530da5f017"},"schema_version":"1.0","source":{"id":"1504.05847","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05847","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05847v1","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05847","created_at":"2026-05-18T01:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"RDPHXLBISPSR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RDPHXLBISPSROGQI","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RDPHXLBI","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:82d389e1302adbbff6fcec0881dc3c69bca514894afd223fe0440a840ade3dac","target":"graph","created_at":"2026-05-18T01:15:46Z","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":"The early stages of drop impact onto a solid surface are considered. Detailed numerical simulations and detailed asymptotic analysis of the process reveal a self-similar structure both for the velocity field and the pressure field. The latter is shown to exhibit a maximum not near the impact point, but rather at the contact line. The motion of the contact line is furthermore shown to exhibit a 'tank treading' motion. These observations are apprehended at the light of a variant of Wagner theory for liquid impact. This framework offers a simple analogy where the fluid motion within the impacting","authors_text":"Arnaud Antkowiak, Julien Philippi, Pierre-Yves Lagr\\'ee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-22T15:37:18Z","title":"Drop impact on a solid surface: short time self-similarity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05847","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":"sha256:1cd08a0a9a6f9865ded8a8e8df940d49a75a88a7e8d9da30c563696aaa6eaae5","target":"record","created_at":"2026-05-18T01:15:46Z","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":"be3c1cb46e6d0bc779d0a726e2c9b40156a50476926cbf825b2683ac9fd2cdce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-04-22T15:37:18Z","title_canon_sha256":"867503068bc9e917d7fa00bd64dd9435b69cd24c152596971ece3f530da5f017"},"schema_version":"1.0","source":{"id":"1504.05847","kind":"arxiv","version":1}},"canonical_sha256":"88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88de7bac2893e5171a089cc4fc3ad5af726146f9602c56a6a10ed0dd57cd5bbd","first_computed_at":"2026-05-18T01:15:46.850308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:46.850308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lECUuBulJy84Xj2DfCBvRb9BUrMb44fGy/fuLY0KJ2zlBIou2Akbf3bypQ5lqjDoPKxVEtB5Fd91x9++SzKUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:46.850989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.05847","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cd08a0a9a6f9865ded8a8e8df940d49a75a88a7e8d9da30c563696aaa6eaae5","sha256:82d389e1302adbbff6fcec0881dc3c69bca514894afd223fe0440a840ade3dac"],"state_sha256":"f41f9bcb5c80643620ac0b39d74141c34e6f9d073b47da982a1ab5085e1b86f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5aDK26bnx6i0jiBRv7lXn0j6qryW8YTf7DZqOF4fzd7/rv13Pl3OJZpdcdQc6hdnRKk9iQquV6DaQwbbibBAAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T10:28:55.103489Z","bundle_sha256":"9396aa3c790bc1b836c989fc33eebdc676c8cd3e8ad855934c77095d22141696"}}