{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:J2YF7KKRGXXYIFCTEK3DYSCIKJ","short_pith_number":"pith:J2YF7KKR","canonical_record":{"source":{"id":"2006.02848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-16T21:38:52Z","cross_cats_sorted":[],"title_canon_sha256":"6c927d65fb1fb7580c28e026cb74adb392dc4e24556676c4add7aec4c991916b","abstract_canon_sha256":"b5ad1f6b65158e52329f5b64419f59c5bff17e64e6f82c138391aca3728dcddc"},"schema_version":"1.0"},"canonical_sha256":"4eb05fa95135ef84145322b63c4848525e45d617b2a3045c0a6db01595e4c304","source":{"kind":"arxiv","id":"2006.02848","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.02848","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"arxiv_version","alias_value":"2006.02848v1","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.02848","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_12","alias_value":"J2YF7KKRGXXY","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_16","alias_value":"J2YF7KKRGXXYIFCT","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_8","alias_value":"J2YF7KKR","created_at":"2026-07-05T01:08:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:J2YF7KKRGXXYIFCTEK3DYSCIKJ","target":"record","payload":{"canonical_record":{"source":{"id":"2006.02848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-16T21:38:52Z","cross_cats_sorted":[],"title_canon_sha256":"6c927d65fb1fb7580c28e026cb74adb392dc4e24556676c4add7aec4c991916b","abstract_canon_sha256":"b5ad1f6b65158e52329f5b64419f59c5bff17e64e6f82c138391aca3728dcddc"},"schema_version":"1.0"},"canonical_sha256":"4eb05fa95135ef84145322b63c4848525e45d617b2a3045c0a6db01595e4c304","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:08:00.656284Z","signature_b64":"ZQNYReOKpQ5OaMXjXwb/TXBHQJR6VOQdy7j4ZDc8BIX2bRHAfaQzIzZKIzRYMevSorVQj8b2aKjJ12T3gQtCCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4eb05fa95135ef84145322b63c4848525e45d617b2a3045c0a6db01595e4c304","last_reissued_at":"2026-07-05T01:08:00.655840Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:08:00.655840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.02848","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":"2026-07-05T01:08:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jfKLrJ+AcS7ONPcz40qaxg7JH6K+1aX81Rk2BF1uaZwuZd+aQJOl+uOnGvKcQ4RrrC1DJw0sjm1pH94/8cB7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:18:01.763521Z"},"content_sha256":"313843fbbf9449b8127733649fc3f8987331b585d80dff92969235a097caa622","schema_version":"1.0","event_id":"sha256:313843fbbf9449b8127733649fc3f8987331b585d80dff92969235a097caa622"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:J2YF7KKRGXXYIFCTEK3DYSCIKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanical Properties of Diamond Schwarzites: From Molecular Dynamics Simulations to 3D Printing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Cristiano F. Woellner, Douglas S. Galvao, Levi C. Felix, Varlei Rodrigues, Vladimir Ga\\'al","submitted_at":"2020-04-16T21:38:52Z","abstract_excerpt":"Schwarzites are porous crystalline structures with Gaussian negative curvature. In this work, we investigated the mechanical behavior and energy absorption properties of two carbon-based diamond schwarzites (D688 and D8bal). We carried out fully atomistic molecular dynamics (MD) simulations. The optimized MD atomic models were used to generate macro-scale models for 3D-printing (PolyLactic Acid (PLA) polymer filaments) through Fused Deposition Modelling (FDM). Mechanical properties under uniaxial compression were investigated for both the atomic models and the 3D-printed ones. Mechanical testi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.02848","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/2006.02848/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":"2026-07-05T01:08:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DxReWj7laqnSvPQ5G+vlWEbEIeCeqTuFA2iWyohQ3miJ/0e2HqWO7jXZjBQ1xue+a/sFKVF9PqqhfKoiseHyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:18:01.763905Z"},"content_sha256":"2144e0d683141d8da241c503851457c8785d6308b32305fc6f70f5e7dd1a40eb","schema_version":"1.0","event_id":"sha256:2144e0d683141d8da241c503851457c8785d6308b32305fc6f70f5e7dd1a40eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/bundle.json","state_url":"https://pith.science/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/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":"2026-07-07T06:18:01Z","links":{"resolver":"https://pith.science/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ","bundle":"https://pith.science/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/bundle.json","state":"https://pith.science/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2YF7KKRGXXYIFCTEK3DYSCIKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:J2YF7KKRGXXYIFCTEK3DYSCIKJ","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":"b5ad1f6b65158e52329f5b64419f59c5bff17e64e6f82c138391aca3728dcddc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-16T21:38:52Z","title_canon_sha256":"6c927d65fb1fb7580c28e026cb74adb392dc4e24556676c4add7aec4c991916b"},"schema_version":"1.0","source":{"id":"2006.02848","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.02848","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"arxiv_version","alias_value":"2006.02848v1","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.02848","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_12","alias_value":"J2YF7KKRGXXY","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_16","alias_value":"J2YF7KKRGXXYIFCT","created_at":"2026-07-05T01:08:00Z"},{"alias_kind":"pith_short_8","alias_value":"J2YF7KKR","created_at":"2026-07-05T01:08:00Z"}],"graph_snapshots":[{"event_id":"sha256:2144e0d683141d8da241c503851457c8785d6308b32305fc6f70f5e7dd1a40eb","target":"graph","created_at":"2026-07-05T01:08:00Z","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/2006.02848/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Schwarzites are porous crystalline structures with Gaussian negative curvature. In this work, we investigated the mechanical behavior and energy absorption properties of two carbon-based diamond schwarzites (D688 and D8bal). We carried out fully atomistic molecular dynamics (MD) simulations. The optimized MD atomic models were used to generate macro-scale models for 3D-printing (PolyLactic Acid (PLA) polymer filaments) through Fused Deposition Modelling (FDM). Mechanical properties under uniaxial compression were investigated for both the atomic models and the 3D-printed ones. Mechanical testi","authors_text":"Cristiano F. Woellner, Douglas S. Galvao, Levi C. Felix, Varlei Rodrigues, Vladimir Ga\\'al","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-16T21:38:52Z","title":"Mechanical Properties of Diamond Schwarzites: From Molecular Dynamics Simulations to 3D Printing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.02848","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":"sha256:313843fbbf9449b8127733649fc3f8987331b585d80dff92969235a097caa622","target":"record","created_at":"2026-07-05T01:08:00Z","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":"b5ad1f6b65158e52329f5b64419f59c5bff17e64e6f82c138391aca3728dcddc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-16T21:38:52Z","title_canon_sha256":"6c927d65fb1fb7580c28e026cb74adb392dc4e24556676c4add7aec4c991916b"},"schema_version":"1.0","source":{"id":"2006.02848","kind":"arxiv","version":1}},"canonical_sha256":"4eb05fa95135ef84145322b63c4848525e45d617b2a3045c0a6db01595e4c304","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4eb05fa95135ef84145322b63c4848525e45d617b2a3045c0a6db01595e4c304","first_computed_at":"2026-07-05T01:08:00.655840Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:08:00.655840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZQNYReOKpQ5OaMXjXwb/TXBHQJR6VOQdy7j4ZDc8BIX2bRHAfaQzIzZKIzRYMevSorVQj8b2aKjJ12T3gQtCCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:08:00.656284Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.02848","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:313843fbbf9449b8127733649fc3f8987331b585d80dff92969235a097caa622","sha256:2144e0d683141d8da241c503851457c8785d6308b32305fc6f70f5e7dd1a40eb"],"state_sha256":"143f53004691e0191f65ea5a3a65b3b6128d35c482661f79feef35cb52225b1a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7sYjE8OeQtKR2XUvzvkVh9NBqnr7V177V+a+Bq5dOBolghyfh2h6cvbvtDNoHa4Myqj2Lxg7gZGs0Q7SCoReAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:18:01.765990Z","bundle_sha256":"d186fc0ab0eb6a4f5dd1d7d0e33e96015dfe1fa6931ad87d88de05b169cecea3"}}