{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WASBEA6ILF5E3HPZT2LLE4S5IA","short_pith_number":"pith:WASBEA6I","canonical_record":{"source":{"id":"1904.01403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-04-02T13:29:23Z","cross_cats_sorted":[],"title_canon_sha256":"58cb284bc54031a09fc719e681a9fab2299e1787610cc0cb2c5cb98bafd62222","abstract_canon_sha256":"ff5f07ba6f21bc618b46d305b52a681dac6b04ca9cae6f51f2c2bcebd836e03f"},"schema_version":"1.0"},"canonical_sha256":"b0241203c8597a4d9df99e96b2725d4039fdc20e2ecdb1a280581ea4feb697f3","source":{"kind":"arxiv","id":"1904.01403","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01403","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01403v1","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01403","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"pith_short_12","alias_value":"WASBEA6ILF5E","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"WASBEA6ILF5E3HPZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"WASBEA6I","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WASBEA6ILF5E3HPZT2LLE4S5IA","target":"record","payload":{"canonical_record":{"source":{"id":"1904.01403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-04-02T13:29:23Z","cross_cats_sorted":[],"title_canon_sha256":"58cb284bc54031a09fc719e681a9fab2299e1787610cc0cb2c5cb98bafd62222","abstract_canon_sha256":"ff5f07ba6f21bc618b46d305b52a681dac6b04ca9cae6f51f2c2bcebd836e03f"},"schema_version":"1.0"},"canonical_sha256":"b0241203c8597a4d9df99e96b2725d4039fdc20e2ecdb1a280581ea4feb697f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:09.205120Z","signature_b64":"cMyjkm2MZ5jyiZhaQBYtFbfRXhGOM68qIaiG6G87dQniiVrnRh6G7qGGiyBhG6AejSusUX5i9/PJqJx7JPDMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0241203c8597a4d9df99e96b2725d4039fdc20e2ecdb1a280581ea4feb697f3","last_reissued_at":"2026-05-17T23:41:09.204421Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:09.204421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.01403","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":"2026-05-17T23:41:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7AETWbXkfDRqspqX5EvqlESKRDAETijGimJCXXwP8fAMJX0vhH5+Ti6vihtfS1VGP66F6giQ59KCA5TTrNYmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:17:34.733451Z"},"content_sha256":"36aa56aa292233bd5503c17e5fda671d84ce7ee3d4f54739cc68138506e21424","schema_version":"1.0","event_id":"sha256:36aa56aa292233bd5503c17e5fda671d84ce7ee3d4f54739cc68138506e21424"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WASBEA6ILF5E3HPZT2LLE4S5IA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Oscillations of small bubbles and medium yielding in elastoviscoplastic fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Brice Saint-Michel, George Makrigiorgios, John Tsamopoulos, Marco De Corato, Valeria Garbin, Yannis Dimakopoulos","submitted_at":"2019-04-02T13:29:23Z","abstract_excerpt":"We investigate the radial oscillations of small gas bubbles trapped in yield-stress fluid and driven by an acoustic pressure field. We model the rheological behavior of the yield-stress fluid using the recently developed elasto-visco-plastic (EVP) constitutive equation that takes into account the elastic and visco-plastic deformations of the material [P. Saramito, J. NonNewton. Fluid Mech. 158 (1-3) (2009) pp.154-161]. Assuming that the bubble remains spherical during the pressure driving, we reduce the problem to a set of ODEs and an integrodifferential equation, which we solve numerically fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01403","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":"2026-05-17T23:41:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5CB86RScAw7YRhoyyfP7WAdRWZHOn/CI093IwhhoaQCzV8UPkLoJuhmvHZDUfhxH8F1OB3G3gRNnILieCVCJAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:17:34.733800Z"},"content_sha256":"58793e3b8516b1e51db587007d47e1c04563460971112a2acd9bec049e9f1b70","schema_version":"1.0","event_id":"sha256:58793e3b8516b1e51db587007d47e1c04563460971112a2acd9bec049e9f1b70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/bundle.json","state_url":"https://pith.science/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/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":"2026-05-30T07:17:34Z","links":{"resolver":"https://pith.science/pith/WASBEA6ILF5E3HPZT2LLE4S5IA","bundle":"https://pith.science/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/bundle.json","state":"https://pith.science/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WASBEA6ILF5E3HPZT2LLE4S5IA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WASBEA6ILF5E3HPZT2LLE4S5IA","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":"ff5f07ba6f21bc618b46d305b52a681dac6b04ca9cae6f51f2c2bcebd836e03f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-04-02T13:29:23Z","title_canon_sha256":"58cb284bc54031a09fc719e681a9fab2299e1787610cc0cb2c5cb98bafd62222"},"schema_version":"1.0","source":{"id":"1904.01403","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01403","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01403v1","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01403","created_at":"2026-05-17T23:41:09Z"},{"alias_kind":"pith_short_12","alias_value":"WASBEA6ILF5E","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"WASBEA6ILF5E3HPZ","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"WASBEA6I","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:58793e3b8516b1e51db587007d47e1c04563460971112a2acd9bec049e9f1b70","target":"graph","created_at":"2026-05-17T23:41:09Z","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":"We investigate the radial oscillations of small gas bubbles trapped in yield-stress fluid and driven by an acoustic pressure field. We model the rheological behavior of the yield-stress fluid using the recently developed elasto-visco-plastic (EVP) constitutive equation that takes into account the elastic and visco-plastic deformations of the material [P. Saramito, J. NonNewton. Fluid Mech. 158 (1-3) (2009) pp.154-161]. Assuming that the bubble remains spherical during the pressure driving, we reduce the problem to a set of ODEs and an integrodifferential equation, which we solve numerically fo","authors_text":"Brice Saint-Michel, George Makrigiorgios, John Tsamopoulos, Marco De Corato, Valeria Garbin, Yannis Dimakopoulos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-04-02T13:29:23Z","title":"Oscillations of small bubbles and medium yielding in elastoviscoplastic fluids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01403","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":"sha256:36aa56aa292233bd5503c17e5fda671d84ce7ee3d4f54739cc68138506e21424","target":"record","created_at":"2026-05-17T23:41:09Z","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":"ff5f07ba6f21bc618b46d305b52a681dac6b04ca9cae6f51f2c2bcebd836e03f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-04-02T13:29:23Z","title_canon_sha256":"58cb284bc54031a09fc719e681a9fab2299e1787610cc0cb2c5cb98bafd62222"},"schema_version":"1.0","source":{"id":"1904.01403","kind":"arxiv","version":1}},"canonical_sha256":"b0241203c8597a4d9df99e96b2725d4039fdc20e2ecdb1a280581ea4feb697f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0241203c8597a4d9df99e96b2725d4039fdc20e2ecdb1a280581ea4feb697f3","first_computed_at":"2026-05-17T23:41:09.204421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:09.204421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cMyjkm2MZ5jyiZhaQBYtFbfRXhGOM68qIaiG6G87dQniiVrnRh6G7qGGiyBhG6AejSusUX5i9/PJqJx7JPDMAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:09.205120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.01403","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36aa56aa292233bd5503c17e5fda671d84ce7ee3d4f54739cc68138506e21424","sha256:58793e3b8516b1e51db587007d47e1c04563460971112a2acd9bec049e9f1b70"],"state_sha256":"84da06d9527ce4083d6ef2878914da8ddace8d57dd29c01b73b4becf7ea85a6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2wR3QBA62lhQFjE8TzSV12fbJwRu0Th8dV4mAPslL4W6DT5CqUtVhJdR42fYNq6nAX8eF04DO6TCEw/CoFIHDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:17:34.735791Z","bundle_sha256":"be2f1b850db73190ef0bd31d1f9bb39ec3d6a80daa3eb8fe076211e9b2bb61ef"}}