{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DN7SXR5I5OAZ23C3EQLA6YWRE5","short_pith_number":"pith:DN7SXR5I","canonical_record":{"source":{"id":"1611.01522","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-04T20:08:40Z","cross_cats_sorted":[],"title_canon_sha256":"7d9ecbbb1f5837eef78344c8a6ced2d8bbd364f1f25d7922af7dcc8dfe1f629a","abstract_canon_sha256":"eeb2e811d542b4d4fe80446901b44d3d83dfecac5c1a59366c1b4961755897cc"},"schema_version":"1.0"},"canonical_sha256":"1b7f2bc7a8eb819d6c5b24160f62d1276f5740c7759cc096d5279ba62c9726d4","source":{"kind":"arxiv","id":"1611.01522","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01522","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01522v2","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01522","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"DN7SXR5I5OAZ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DN7SXR5I5OAZ23C3","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DN7SXR5I","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DN7SXR5I5OAZ23C3EQLA6YWRE5","target":"record","payload":{"canonical_record":{"source":{"id":"1611.01522","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-04T20:08:40Z","cross_cats_sorted":[],"title_canon_sha256":"7d9ecbbb1f5837eef78344c8a6ced2d8bbd364f1f25d7922af7dcc8dfe1f629a","abstract_canon_sha256":"eeb2e811d542b4d4fe80446901b44d3d83dfecac5c1a59366c1b4961755897cc"},"schema_version":"1.0"},"canonical_sha256":"1b7f2bc7a8eb819d6c5b24160f62d1276f5740c7759cc096d5279ba62c9726d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:47.598252Z","signature_b64":"FMFNx+aycIXwEQiK/Z4mi7tsiNNQVgjDxwzXLspkVS7Co/NUg7iAwUunfoRzOuRxd5zJHtdPQKDkhzo7JnjMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b7f2bc7a8eb819d6c5b24160f62d1276f5740c7759cc096d5279ba62c9726d4","last_reissued_at":"2026-05-18T00:45:47.597667Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:47.597667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.01522","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":"2026-05-18T00:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WCmG8PSOgey9ISW/9md9T41WVHcU6M2baJDV56YnYBfW424v1FNv0gySUpeVewXuMxPp4hX+v7aUVSUEUXZlAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:42:28.237091Z"},"content_sha256":"4233b7e085618a9cd289d5490d253bd44f321d11b183d516ee681f9707975040","schema_version":"1.0","event_id":"sha256:4233b7e085618a9cd289d5490d253bd44f321d11b183d516ee681f9707975040"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DN7SXR5I5OAZ23C3EQLA6YWRE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deformation of an Amorphous Polymer during the Fused-Filament-Fabrication Method for Additive Manufacturing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Claire McIlroy, Peter D. Olmsted","submitted_at":"2016-11-04T20:08:40Z","abstract_excerpt":"3D printing is rapidly becoming an effective means of prototyping and creating custom consumer goods. The most common method for printing a polymer melt is fused filament fabrication (FFF), and involves extrusion of a thermoplastic material through a heated nozzle; the material is then built up layer-by-layer to fabricate a three-dimensional object. Under typical printing conditions the melt experiences high strain rates within the FFF nozzle, which are able to significantly stretch and orient the polymer molecules. In this paper, we model the deformation of an amorphous polymer melt during th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01522","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":""},"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":"2026-05-18T00:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hnq4Mz1uu6Qij+rkXZx5wQ50xTR+7BMpm79jYDB4ZFljAyAJl9XZCN9UNOQS93ZV1P4qenxWh+mywiiIbFlHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:42:28.237465Z"},"content_sha256":"af44b14c8d111fc76f276e77fe7a25032fe2b464ac0702e411d13cfcd165f66a","schema_version":"1.0","event_id":"sha256:af44b14c8d111fc76f276e77fe7a25032fe2b464ac0702e411d13cfcd165f66a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/bundle.json","state_url":"https://pith.science/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/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":"2026-05-28T08:42:28Z","links":{"resolver":"https://pith.science/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5","bundle":"https://pith.science/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/bundle.json","state":"https://pith.science/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DN7SXR5I5OAZ23C3EQLA6YWRE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DN7SXR5I5OAZ23C3EQLA6YWRE5","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":"eeb2e811d542b4d4fe80446901b44d3d83dfecac5c1a59366c1b4961755897cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-04T20:08:40Z","title_canon_sha256":"7d9ecbbb1f5837eef78344c8a6ced2d8bbd364f1f25d7922af7dcc8dfe1f629a"},"schema_version":"1.0","source":{"id":"1611.01522","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01522","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01522v2","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01522","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"DN7SXR5I5OAZ","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DN7SXR5I5OAZ23C3","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DN7SXR5I","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:af44b14c8d111fc76f276e77fe7a25032fe2b464ac0702e411d13cfcd165f66a","target":"graph","created_at":"2026-05-18T00:45:47Z","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":"3D printing is rapidly becoming an effective means of prototyping and creating custom consumer goods. The most common method for printing a polymer melt is fused filament fabrication (FFF), and involves extrusion of a thermoplastic material through a heated nozzle; the material is then built up layer-by-layer to fabricate a three-dimensional object. Under typical printing conditions the melt experiences high strain rates within the FFF nozzle, which are able to significantly stretch and orient the polymer molecules. In this paper, we model the deformation of an amorphous polymer melt during th","authors_text":"Claire McIlroy, Peter D. Olmsted","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-04T20:08:40Z","title":"Deformation of an Amorphous Polymer during the Fused-Filament-Fabrication Method for Additive Manufacturing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01522","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":"sha256:4233b7e085618a9cd289d5490d253bd44f321d11b183d516ee681f9707975040","target":"record","created_at":"2026-05-18T00:45:47Z","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":"eeb2e811d542b4d4fe80446901b44d3d83dfecac5c1a59366c1b4961755897cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-04T20:08:40Z","title_canon_sha256":"7d9ecbbb1f5837eef78344c8a6ced2d8bbd364f1f25d7922af7dcc8dfe1f629a"},"schema_version":"1.0","source":{"id":"1611.01522","kind":"arxiv","version":2}},"canonical_sha256":"1b7f2bc7a8eb819d6c5b24160f62d1276f5740c7759cc096d5279ba62c9726d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b7f2bc7a8eb819d6c5b24160f62d1276f5740c7759cc096d5279ba62c9726d4","first_computed_at":"2026-05-18T00:45:47.597667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:47.597667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FMFNx+aycIXwEQiK/Z4mi7tsiNNQVgjDxwzXLspkVS7Co/NUg7iAwUunfoRzOuRxd5zJHtdPQKDkhzo7JnjMBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:47.598252Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01522","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4233b7e085618a9cd289d5490d253bd44f321d11b183d516ee681f9707975040","sha256:af44b14c8d111fc76f276e77fe7a25032fe2b464ac0702e411d13cfcd165f66a"],"state_sha256":"24333b9f24b53243247aea1863471a3e69a07950cc2162dc1a3fee6df634e948"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TiEvrsYbs9h6xyommMu9yZ/V+3noQnGNS8+j2SAaJm32wS92sjdq8NNvAcXVoPh53CjvUZn0rkfn1IR0xcfABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:42:28.239416Z","bundle_sha256":"be356cae5aa8bf2029ef99854d6d7785c8303def6ca5adb889ad9fe8715e4300"}}