{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CGUAWMLHJIAPGAIW5HEXG6NOF3","short_pith_number":"pith:CGUAWMLH","canonical_record":{"source":{"id":"1509.01950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-07T08:46:49Z","cross_cats_sorted":[],"title_canon_sha256":"01b2a28d90178477b38c4842d613ba61c1d47702782d599d26c087d8d1a4565e","abstract_canon_sha256":"3200f8d22ccdf3bc3645e3a97b95739d89c7f1949df40c0f1730333e090e4d34"},"schema_version":"1.0"},"canonical_sha256":"11a80b31674a00f30116e9c97379ae2ed07bf979abb5da99860591bd10d6b500","source":{"kind":"arxiv","id":"1509.01950","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01950","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01950v1","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01950","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"CGUAWMLHJIAP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"CGUAWMLHJIAPGAIW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"CGUAWMLH","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CGUAWMLHJIAPGAIW5HEXG6NOF3","target":"record","payload":{"canonical_record":{"source":{"id":"1509.01950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-07T08:46:49Z","cross_cats_sorted":[],"title_canon_sha256":"01b2a28d90178477b38c4842d613ba61c1d47702782d599d26c087d8d1a4565e","abstract_canon_sha256":"3200f8d22ccdf3bc3645e3a97b95739d89c7f1949df40c0f1730333e090e4d34"},"schema_version":"1.0"},"canonical_sha256":"11a80b31674a00f30116e9c97379ae2ed07bf979abb5da99860591bd10d6b500","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:50.086505Z","signature_b64":"VBrbuZzNKEDrspSCaqC1bwoLd7SQEADdXEWOPfqllnQMP67FLIYyA49f2TGvrlgzSPJCqHp02o8u1UMTVmqTBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11a80b31674a00f30116e9c97379ae2ed07bf979abb5da99860591bd10d6b500","last_reissued_at":"2026-05-18T01:33:50.085865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:50.085865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.01950","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":"2026-05-18T01:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JNmHJFbMfhjKj/wENl2ND29pDJnY7NNzDYjucbvuib0VXYjgK+SRJXxwqcnWFXylfBWxyU99g1UyDfZsn9MhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:09:08.458106Z"},"content_sha256":"631d53524f2f18325e880f4051a3d53bd61fa1b663730b2330fa6ec91f105851","schema_version":"1.0","event_id":"sha256:631d53524f2f18325e880f4051a3d53bd61fa1b663730b2330fa6ec91f105851"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CGUAWMLHJIAPGAIW5HEXG6NOF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hierarchical structures for a robustness-oriented capacity design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"B. M. Chiaia, Enrico Masoero, Falk K. Wittel, Hans J. Herrmann","submitted_at":"2015-09-07T08:46:49Z","abstract_excerpt":"In this paper, we study the response of 2D framed structures made of rectangular cells, to the sudden removal of columns. We employ a simulation algorithm based on the Discrete Element Method, where the structural elements are represented by elasto-plastic Euler Bernoulli beams with elongation-rotation failure threshold. The effect of structural cell slenderness and of topological hierarchy on the dynamic residual strength after damage $\\ROne$ is investigated. Topologically \\textit{hierarchical} frames have a primary structure made of few massive elements, while \\textit{homogeneous} frames are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01950","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":"2026-05-18T01:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oSiw0x4AmTcrN8WDwbCdkwCUQCzpU9pzxd37t0Jh5ut3iQmI/D9lYgO0OxBC1GoRnBM6sTkeQZvJ78HaUe9aBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:09:08.458763Z"},"content_sha256":"d3d37c7459f05c91dc26385356cd7641d930b9a9f7b694e62552d3da1a2e186d","schema_version":"1.0","event_id":"sha256:d3d37c7459f05c91dc26385356cd7641d930b9a9f7b694e62552d3da1a2e186d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/bundle.json","state_url":"https://pith.science/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/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":"2026-05-27T22:09:08Z","links":{"resolver":"https://pith.science/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3","bundle":"https://pith.science/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/bundle.json","state":"https://pith.science/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGUAWMLHJIAPGAIW5HEXG6NOF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CGUAWMLHJIAPGAIW5HEXG6NOF3","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":"3200f8d22ccdf3bc3645e3a97b95739d89c7f1949df40c0f1730333e090e4d34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-07T08:46:49Z","title_canon_sha256":"01b2a28d90178477b38c4842d613ba61c1d47702782d599d26c087d8d1a4565e"},"schema_version":"1.0","source":{"id":"1509.01950","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01950","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01950v1","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01950","created_at":"2026-05-18T01:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"CGUAWMLHJIAP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"CGUAWMLHJIAPGAIW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"CGUAWMLH","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:d3d37c7459f05c91dc26385356cd7641d930b9a9f7b694e62552d3da1a2e186d","target":"graph","created_at":"2026-05-18T01:33:50Z","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":"In this paper, we study the response of 2D framed structures made of rectangular cells, to the sudden removal of columns. We employ a simulation algorithm based on the Discrete Element Method, where the structural elements are represented by elasto-plastic Euler Bernoulli beams with elongation-rotation failure threshold. The effect of structural cell slenderness and of topological hierarchy on the dynamic residual strength after damage $\\ROne$ is investigated. Topologically \\textit{hierarchical} frames have a primary structure made of few massive elements, while \\textit{homogeneous} frames are","authors_text":"B. M. Chiaia, Enrico Masoero, Falk K. Wittel, Hans J. Herrmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-07T08:46:49Z","title":"Hierarchical structures for a robustness-oriented capacity design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01950","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":"sha256:631d53524f2f18325e880f4051a3d53bd61fa1b663730b2330fa6ec91f105851","target":"record","created_at":"2026-05-18T01:33:50Z","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":"3200f8d22ccdf3bc3645e3a97b95739d89c7f1949df40c0f1730333e090e4d34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-07T08:46:49Z","title_canon_sha256":"01b2a28d90178477b38c4842d613ba61c1d47702782d599d26c087d8d1a4565e"},"schema_version":"1.0","source":{"id":"1509.01950","kind":"arxiv","version":1}},"canonical_sha256":"11a80b31674a00f30116e9c97379ae2ed07bf979abb5da99860591bd10d6b500","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11a80b31674a00f30116e9c97379ae2ed07bf979abb5da99860591bd10d6b500","first_computed_at":"2026-05-18T01:33:50.085865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:50.085865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VBrbuZzNKEDrspSCaqC1bwoLd7SQEADdXEWOPfqllnQMP67FLIYyA49f2TGvrlgzSPJCqHp02o8u1UMTVmqTBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:50.086505Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.01950","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:631d53524f2f18325e880f4051a3d53bd61fa1b663730b2330fa6ec91f105851","sha256:d3d37c7459f05c91dc26385356cd7641d930b9a9f7b694e62552d3da1a2e186d"],"state_sha256":"de25e46fb3da4ddeb46b32e7957ac25ec9245bdc7e7f22a8fb7146ec1133e18e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gekdgl1uQwFrmiKIDVxRGma97r1Uj0NzuFddwTsXns43BPaETY0adubO1XNGPLXRZj0tcUtujUwj05dNncdqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:09:08.461683Z","bundle_sha256":"e2fe9c91c79986bd7a4478e4b06953d2bd06e11978439fcb2472d34316239efe"}}