{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ZA6KRUC45GZ6YSGXJVPO5WKQAB","short_pith_number":"pith:ZA6KRUC4","canonical_record":{"source":{"id":"2401.07027","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-01-13T09:57:20Z","cross_cats_sorted":[],"title_canon_sha256":"1a0a43ff7322f5fd67a60dd35efec7ffa151f61bfc52d19caa53bce48f1bcdac","abstract_canon_sha256":"fa69d3455d3ac6fb104eb8633223284c2da824c152ef76816062f1c2b764ad51"},"schema_version":"1.0"},"canonical_sha256":"c83ca8d05ce9b3ec48d74d5eeed950006ffe7eebf1329271e35ef8c4a17414bd","source":{"kind":"arxiv","id":"2401.07027","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07027","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07027v2","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07027","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"ZA6KRUC45GZ6","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_16","alias_value":"ZA6KRUC45GZ6YSGX","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_8","alias_value":"ZA6KRUC4","created_at":"2026-06-09T01:05:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ZA6KRUC45GZ6YSGXJVPO5WKQAB","target":"record","payload":{"canonical_record":{"source":{"id":"2401.07027","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-01-13T09:57:20Z","cross_cats_sorted":[],"title_canon_sha256":"1a0a43ff7322f5fd67a60dd35efec7ffa151f61bfc52d19caa53bce48f1bcdac","abstract_canon_sha256":"fa69d3455d3ac6fb104eb8633223284c2da824c152ef76816062f1c2b764ad51"},"schema_version":"1.0"},"canonical_sha256":"c83ca8d05ce9b3ec48d74d5eeed950006ffe7eebf1329271e35ef8c4a17414bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:03.201102Z","signature_b64":"/eyz0loIMqMsvzFe2wmlmHYdw3DKHCcUTfGkxdrV8j1I6+JdQaIWmVEKK6eqyzHkFpBjjxIFuOfynCpFE2xcCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c83ca8d05ce9b3ec48d74d5eeed950006ffe7eebf1329271e35ef8c4a17414bd","last_reissued_at":"2026-06-09T01:05:03.200571Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:03.200571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.07027","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T01:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vsMFrQL+fXI7kv96O8C95RwkN0mrYF7RZCNXhJ75/DDU4PLlHANRTFRctBqMwk4Hwmy8bvEwBdUgoLA7VIWQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T08:12:23.958292Z"},"content_sha256":"c40d49b6f8b925a8a253fddecd007288033a997af21623c4ce9bf89e9b413cec","schema_version":"1.0","event_id":"sha256:c40d49b6f8b925a8a253fddecd007288033a997af21623c4ce9bf89e9b413cec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ZA6KRUC45GZ6YSGXJVPO5WKQAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of Soap Bubble Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Saini Jatin Rao, Saptarshi Basu, Siddhant Jain","submitted_at":"2024-01-13T09:57:20Z","abstract_excerpt":"Bubbles have always captivated our curiosity with their aesthetics and complexities alike. While the act of blowing bubbles is familiar to everyone, the underlying physics of these fleeting spheres often eludes reasoning. In this letter, we discuss the dynamics of inflating a soap bubble using controlled airflow through a film-coated nozzle. We assess and predict the rate of inflation by varying the source pressure. Visualising the previously unexplored internal flow reveals that air enters the bubble as a round jet, emerging from the nozzle opening and impinges on the expanding concave bubble"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07027","kind":"arxiv","version":2},"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/2401.07027/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":"2026-06-09T01:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qGXxka0w76/vf3/817kmEE0qXEmRzom9+qY9Qc5/6cJpiNkltaKJPqrfGLz0sI4IiV6jY8jvb1bKt3X1iOuSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T08:12:23.958695Z"},"content_sha256":"f7a08ba734f4bbc0836853e33cd15834eb577feb7887455330383ca88bf00370","schema_version":"1.0","event_id":"sha256:f7a08ba734f4bbc0836853e33cd15834eb577feb7887455330383ca88bf00370"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/bundle.json","state_url":"https://pith.science/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/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":"2026-06-22T08:12:23Z","links":{"resolver":"https://pith.science/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB","bundle":"https://pith.science/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/bundle.json","state":"https://pith.science/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZA6KRUC45GZ6YSGXJVPO5WKQAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ZA6KRUC45GZ6YSGXJVPO5WKQAB","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":"fa69d3455d3ac6fb104eb8633223284c2da824c152ef76816062f1c2b764ad51","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-01-13T09:57:20Z","title_canon_sha256":"1a0a43ff7322f5fd67a60dd35efec7ffa151f61bfc52d19caa53bce48f1bcdac"},"schema_version":"1.0","source":{"id":"2401.07027","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07027","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07027v2","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07027","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"ZA6KRUC45GZ6","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_16","alias_value":"ZA6KRUC45GZ6YSGX","created_at":"2026-06-09T01:05:03Z"},{"alias_kind":"pith_short_8","alias_value":"ZA6KRUC4","created_at":"2026-06-09T01:05:03Z"}],"graph_snapshots":[{"event_id":"sha256:f7a08ba734f4bbc0836853e33cd15834eb577feb7887455330383ca88bf00370","target":"graph","created_at":"2026-06-09T01:05:03Z","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/2401.07027/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Bubbles have always captivated our curiosity with their aesthetics and complexities alike. While the act of blowing bubbles is familiar to everyone, the underlying physics of these fleeting spheres often eludes reasoning. In this letter, we discuss the dynamics of inflating a soap bubble using controlled airflow through a film-coated nozzle. We assess and predict the rate of inflation by varying the source pressure. Visualising the previously unexplored internal flow reveals that air enters the bubble as a round jet, emerging from the nozzle opening and impinges on the expanding concave bubble","authors_text":"Saini Jatin Rao, Saptarshi Basu, Siddhant Jain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-01-13T09:57:20Z","title":"Dynamics of Soap Bubble Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07027","kind":"arxiv","version":2},"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:c40d49b6f8b925a8a253fddecd007288033a997af21623c4ce9bf89e9b413cec","target":"record","created_at":"2026-06-09T01:05:03Z","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":"fa69d3455d3ac6fb104eb8633223284c2da824c152ef76816062f1c2b764ad51","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-01-13T09:57:20Z","title_canon_sha256":"1a0a43ff7322f5fd67a60dd35efec7ffa151f61bfc52d19caa53bce48f1bcdac"},"schema_version":"1.0","source":{"id":"2401.07027","kind":"arxiv","version":2}},"canonical_sha256":"c83ca8d05ce9b3ec48d74d5eeed950006ffe7eebf1329271e35ef8c4a17414bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c83ca8d05ce9b3ec48d74d5eeed950006ffe7eebf1329271e35ef8c4a17414bd","first_computed_at":"2026-06-09T01:05:03.200571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:05:03.200571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/eyz0loIMqMsvzFe2wmlmHYdw3DKHCcUTfGkxdrV8j1I6+JdQaIWmVEKK6eqyzHkFpBjjxIFuOfynCpFE2xcCw==","signature_status":"signed_v1","signed_at":"2026-06-09T01:05:03.201102Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.07027","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c40d49b6f8b925a8a253fddecd007288033a997af21623c4ce9bf89e9b413cec","sha256:f7a08ba734f4bbc0836853e33cd15834eb577feb7887455330383ca88bf00370"],"state_sha256":"0191f36800a72b617c413e87c5bdfcc3549a2078fa86902ff42ab4cc4e89e65e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHKlsRfUgZb8D5nbnLRY3N3KNtLpbACgBjUHDx8Yep7lEbgpltpDNaB+DOET91NVNfRV8pivilVaJOtwSRaCDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T08:12:23.960736Z","bundle_sha256":"2099bdcc87fa73c54b552515ea5528457cc6c2cb8f0d043da078962c21bfb277"}}