{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UH2GI7GIQ4C5Q2G3GD46PEOTR4","short_pith_number":"pith:UH2GI7GI","canonical_record":{"source":{"id":"1510.00374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-03T08:14:03Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"a2da29e45b500afd46b8213100e2c094756aff46e6f68204428b7c4d3e6dd960","abstract_canon_sha256":"1ddafa1e3fa428b2fb2f47b2e36b02b580032587c44ca528c7f7f736f8941f72"},"schema_version":"1.0"},"canonical_sha256":"a1f4647cc88705d868db30f9e791d38f018301db54d6acd610740919b22d734f","source":{"kind":"arxiv","id":"1510.00374","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00374","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00374v1","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00374","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"UH2GI7GIQ4C5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UH2GI7GIQ4C5Q2G3","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UH2GI7GI","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UH2GI7GIQ4C5Q2G3GD46PEOTR4","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-03T08:14:03Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"a2da29e45b500afd46b8213100e2c094756aff46e6f68204428b7c4d3e6dd960","abstract_canon_sha256":"1ddafa1e3fa428b2fb2f47b2e36b02b580032587c44ca528c7f7f736f8941f72"},"schema_version":"1.0"},"canonical_sha256":"a1f4647cc88705d868db30f9e791d38f018301db54d6acd610740919b22d734f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:19.475820Z","signature_b64":"r/Oclr+3dVwYPxypuXGkvPT4z1rCSq16+u5DHBVDfBzCj76TU39Bsyu04ZjXgWrLXbL1fEegNTdJk70X76QoAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1f4647cc88705d868db30f9e791d38f018301db54d6acd610740919b22d734f","last_reissued_at":"2026-05-18T01:31:19.475148Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:19.475148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00374","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":"2026-05-18T01:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"At4Y9Nrq5uOSZS5FZsadyn/1drooFvltKgv9PopUabIplJmvvkSTFywo2sxguzlXkIPW973OMH+Q99yftQqFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:10:22.387720Z"},"content_sha256":"8cbbbf1ff1782be95ba9fd8e4b0a48bd2939dec95c7665309b6712f9d1bd87ad","schema_version":"1.0","event_id":"sha256:8cbbbf1ff1782be95ba9fd8e4b0a48bd2939dec95c7665309b6712f9d1bd87ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UH2GI7GIQ4C5Q2G3GD46PEOTR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study on the fragmentation of shells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Bernd H. Kr\\\"oplin, Falk K. Wittel, Ferenc Kun, Hans J. Herrmann","submitted_at":"2015-09-03T08:14:03Z","abstract_excerpt":"Fragmentation can be observed in nature and in everyday life on a wide range of length scales and for all kinds of technical applications. Most studies on dynamic failure focus on the behaviour of bulk systems in one, two and three dimensions under impact and explosive loading, showing universal power law behaviour of fragment size distribution. However, hardly any studies have been devoted to fragmentation of shells. We present a detailed experimental and theoretical study on the fragmentation of closed thin shells of various materials, due to an excess load inside the system and impact with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00374","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":"2026-05-18T01:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UCZB9K7FN9/gfMbp9OgEII1oHW7XLT6lKCZbIc7LLl9JMXqZGgkuRd5+bq9cA12Au/+qae8Bi6+QH+U0pMqcBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:10:22.388067Z"},"content_sha256":"f1fa3e695453c3d9553b607d0344154ec50f8c32a8838d1aaab2b7ec22ddca7c","schema_version":"1.0","event_id":"sha256:f1fa3e695453c3d9553b607d0344154ec50f8c32a8838d1aaab2b7ec22ddca7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/bundle.json","state_url":"https://pith.science/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/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":"2026-05-28T04:10:22Z","links":{"resolver":"https://pith.science/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4","bundle":"https://pith.science/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/bundle.json","state":"https://pith.science/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UH2GI7GIQ4C5Q2G3GD46PEOTR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UH2GI7GIQ4C5Q2G3GD46PEOTR4","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":"1ddafa1e3fa428b2fb2f47b2e36b02b580032587c44ca528c7f7f736f8941f72","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-03T08:14:03Z","title_canon_sha256":"a2da29e45b500afd46b8213100e2c094756aff46e6f68204428b7c4d3e6dd960"},"schema_version":"1.0","source":{"id":"1510.00374","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00374","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00374v1","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00374","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"UH2GI7GIQ4C5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UH2GI7GIQ4C5Q2G3","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UH2GI7GI","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:f1fa3e695453c3d9553b607d0344154ec50f8c32a8838d1aaab2b7ec22ddca7c","target":"graph","created_at":"2026-05-18T01:31:19Z","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":"Fragmentation can be observed in nature and in everyday life on a wide range of length scales and for all kinds of technical applications. Most studies on dynamic failure focus on the behaviour of bulk systems in one, two and three dimensions under impact and explosive loading, showing universal power law behaviour of fragment size distribution. However, hardly any studies have been devoted to fragmentation of shells. We present a detailed experimental and theoretical study on the fragmentation of closed thin shells of various materials, due to an excess load inside the system and impact with ","authors_text":"Bernd H. Kr\\\"oplin, Falk K. Wittel, Ferenc Kun, Hans J. Herrmann","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-03T08:14:03Z","title":"Study on the fragmentation of shells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00374","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":"sha256:8cbbbf1ff1782be95ba9fd8e4b0a48bd2939dec95c7665309b6712f9d1bd87ad","target":"record","created_at":"2026-05-18T01:31:19Z","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":"1ddafa1e3fa428b2fb2f47b2e36b02b580032587c44ca528c7f7f736f8941f72","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-03T08:14:03Z","title_canon_sha256":"a2da29e45b500afd46b8213100e2c094756aff46e6f68204428b7c4d3e6dd960"},"schema_version":"1.0","source":{"id":"1510.00374","kind":"arxiv","version":1}},"canonical_sha256":"a1f4647cc88705d868db30f9e791d38f018301db54d6acd610740919b22d734f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1f4647cc88705d868db30f9e791d38f018301db54d6acd610740919b22d734f","first_computed_at":"2026-05-18T01:31:19.475148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:19.475148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r/Oclr+3dVwYPxypuXGkvPT4z1rCSq16+u5DHBVDfBzCj76TU39Bsyu04ZjXgWrLXbL1fEegNTdJk70X76QoAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:19.475820Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00374","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cbbbf1ff1782be95ba9fd8e4b0a48bd2939dec95c7665309b6712f9d1bd87ad","sha256:f1fa3e695453c3d9553b607d0344154ec50f8c32a8838d1aaab2b7ec22ddca7c"],"state_sha256":"42ca912643ac6962e4008cc18e793b56d8a486ae127acb11f839320b6e5f57a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3yAcyUChoR8Ag9/gMovMK/rb4tykDv5UaA83tyK5brigU7Y69NVEMSmZ7K4MHzvYK6irIlMS4+et65vionBUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:10:22.390144Z","bundle_sha256":"a8a7c22c2e9f22292414aa70815acf5bbe4d5908bb9b96978ef408e9dd26f297"}}