{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:64BBN3UVPWUOGWUQHQR6DGMZR2","short_pith_number":"pith:64BBN3UV","canonical_record":{"source":{"id":"2008.13029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-08-29T18:19:25Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7ad69999e800789fdabec18f7224305ad7558f504343fe927b5f905e3d7134ce","abstract_canon_sha256":"a03699ac46a4392420c1715d04d8d496388606eb843ac9e443257238b25e6ec2"},"schema_version":"1.0"},"canonical_sha256":"f70216ee957da8e35a903c23e199998ebf9cf3db135f1f06b0b2c9d6428f73d5","source":{"kind":"arxiv","id":"2008.13029","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.13029","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"arxiv_version","alias_value":"2008.13029v1","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.13029","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_12","alias_value":"64BBN3UVPWUO","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_16","alias_value":"64BBN3UVPWUOGWUQ","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_8","alias_value":"64BBN3UV","created_at":"2026-07-05T01:48:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:64BBN3UVPWUOGWUQHQR6DGMZR2","target":"record","payload":{"canonical_record":{"source":{"id":"2008.13029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-08-29T18:19:25Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7ad69999e800789fdabec18f7224305ad7558f504343fe927b5f905e3d7134ce","abstract_canon_sha256":"a03699ac46a4392420c1715d04d8d496388606eb843ac9e443257238b25e6ec2"},"schema_version":"1.0"},"canonical_sha256":"f70216ee957da8e35a903c23e199998ebf9cf3db135f1f06b0b2c9d6428f73d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:48:52.012702Z","signature_b64":"ldBthHH+4J9ibsqeBm//k7YhzWs5QCg1M/gNalydrvNSTgW2dPQ6rrpbnrj2Mqs+tSM/D7kXGMWB9k3r5oTZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f70216ee957da8e35a903c23e199998ebf9cf3db135f1f06b0b2c9d6428f73d5","last_reissued_at":"2026-07-05T01:48:52.012268Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:48:52.012268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.13029","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":"2026-07-05T01:48:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pJCHVPuvsSZeLkMlr9o44BxU1VHCM0hFcPBJfW15jLKOIbY9AaLIrJ7zKsvLnkc5dEiRkCUwyUpx3Ob0DmPCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T08:31:36.115904Z"},"content_sha256":"de0cf4ce0c559ed94adc362ec0bcec3ac89c406a9f8af49187b6b5e568b51e91","schema_version":"1.0","event_id":"sha256:de0cf4ce0c559ed94adc362ec0bcec3ac89c406a9f8af49187b6b5e568b51e91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:64BBN3UVPWUOGWUQHQR6DGMZR2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pattern formation during the impact of a partially-frozen binary droplet on a cold surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.flu-dyn","authors_text":"Detlef Lohse, Henrik M\\\"uller-Groeling, Pallav Kant","submitted_at":"2020-08-29T18:19:25Z","abstract_excerpt":"Impact of a droplet on an undercooled surface is a complex phenomenon as it simultaneously instigates several physical processes that cover a broad spectrum of transport phenomena and phase-transition. Here, we report and explain an unexpected but highly relevant phenomenon of fingered growth of the solid-phase. It emerges during the impact of a binary droplet that freezes from the outside prior to the impact on the undercooled surface. We establish that the presence of pre-solidified material at the advancing contact line fundamentally changes the resulting dynamics, namely by modifying the l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.13029","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/2008.13029/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":"2026-07-05T01:48:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yI4aJJ6KJ55DM48DWJLxno/qCW4meGDLaQQtfrg3Nz7YUftaRmQRiM744Eb0f4gtUPwchrv6O4t4Mf0aRikKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T08:31:36.116401Z"},"content_sha256":"ed4bd7b3ee0fab7b3bdc4a203e5329f6b42a8883b89854f86b40665fdb0fdcc6","schema_version":"1.0","event_id":"sha256:ed4bd7b3ee0fab7b3bdc4a203e5329f6b42a8883b89854f86b40665fdb0fdcc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/bundle.json","state_url":"https://pith.science/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/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":"2026-08-21T08:31:36Z","links":{"resolver":"https://pith.science/pith/64BBN3UVPWUOGWUQHQR6DGMZR2","bundle":"https://pith.science/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/bundle.json","state":"https://pith.science/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/64BBN3UVPWUOGWUQHQR6DGMZR2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:64BBN3UVPWUOGWUQHQR6DGMZR2","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":"a03699ac46a4392420c1715d04d8d496388606eb843ac9e443257238b25e6ec2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-08-29T18:19:25Z","title_canon_sha256":"7ad69999e800789fdabec18f7224305ad7558f504343fe927b5f905e3d7134ce"},"schema_version":"1.0","source":{"id":"2008.13029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.13029","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"arxiv_version","alias_value":"2008.13029v1","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.13029","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_12","alias_value":"64BBN3UVPWUO","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_16","alias_value":"64BBN3UVPWUOGWUQ","created_at":"2026-07-05T01:48:52Z"},{"alias_kind":"pith_short_8","alias_value":"64BBN3UV","created_at":"2026-07-05T01:48:52Z"}],"graph_snapshots":[{"event_id":"sha256:ed4bd7b3ee0fab7b3bdc4a203e5329f6b42a8883b89854f86b40665fdb0fdcc6","target":"graph","created_at":"2026-07-05T01:48:52Z","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/2008.13029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Impact of a droplet on an undercooled surface is a complex phenomenon as it simultaneously instigates several physical processes that cover a broad spectrum of transport phenomena and phase-transition. Here, we report and explain an unexpected but highly relevant phenomenon of fingered growth of the solid-phase. It emerges during the impact of a binary droplet that freezes from the outside prior to the impact on the undercooled surface. We establish that the presence of pre-solidified material at the advancing contact line fundamentally changes the resulting dynamics, namely by modifying the l","authors_text":"Detlef Lohse, Henrik M\\\"uller-Groeling, Pallav Kant","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-08-29T18:19:25Z","title":"Pattern formation during the impact of a partially-frozen binary droplet on a cold surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.13029","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:de0cf4ce0c559ed94adc362ec0bcec3ac89c406a9f8af49187b6b5e568b51e91","target":"record","created_at":"2026-07-05T01:48:52Z","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":"a03699ac46a4392420c1715d04d8d496388606eb843ac9e443257238b25e6ec2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-08-29T18:19:25Z","title_canon_sha256":"7ad69999e800789fdabec18f7224305ad7558f504343fe927b5f905e3d7134ce"},"schema_version":"1.0","source":{"id":"2008.13029","kind":"arxiv","version":1}},"canonical_sha256":"f70216ee957da8e35a903c23e199998ebf9cf3db135f1f06b0b2c9d6428f73d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f70216ee957da8e35a903c23e199998ebf9cf3db135f1f06b0b2c9d6428f73d5","first_computed_at":"2026-07-05T01:48:52.012268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:48:52.012268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ldBthHH+4J9ibsqeBm//k7YhzWs5QCg1M/gNalydrvNSTgW2dPQ6rrpbnrj2Mqs+tSM/D7kXGMWB9k3r5oTZDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:48:52.012702Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.13029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de0cf4ce0c559ed94adc362ec0bcec3ac89c406a9f8af49187b6b5e568b51e91","sha256:ed4bd7b3ee0fab7b3bdc4a203e5329f6b42a8883b89854f86b40665fdb0fdcc6"],"state_sha256":"75f9df1eb65dfb55562aad7c5d82f7c30b749e1dbf2e3ef1ed2333369fb6a4e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JmHvmMI0EVCMOl/yLwE/xM6ZZcDw5LbLrHCkiPVywCYGofphoomiSb7vNaz2E/SPAuQCW4RjIPrqi3khki0YAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T08:31:36.123375Z","bundle_sha256":"c258045caccd223e5b09fe2775715c4c7c0ec120c7abf13be28f1db2e9e13d42"}}