{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XF3HF3PNSTGCQLNITVH2E5KMOU","short_pith_number":"pith:XF3HF3PN","canonical_record":{"source":{"id":"1706.06480","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2017-06-20T14:29:42Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f7f724c9f9042d19a4fc1293f03697efe48a8adb7a45f8101b965ea4a3988c79","abstract_canon_sha256":"f1118e45116573a8896e47fde86ffdf178a5e595425f9d6b2e24f931c9636b59"},"schema_version":"1.0"},"canonical_sha256":"b97672eded94cc282da89d4fa2754c753174b3338c7aa57f37d0e8974e95222c","source":{"kind":"arxiv","id":"1706.06480","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06480","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06480v2","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06480","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"pith_short_12","alias_value":"XF3HF3PNSTGC","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XF3HF3PNSTGCQLNI","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XF3HF3PN","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XF3HF3PNSTGCQLNITVH2E5KMOU","target":"record","payload":{"canonical_record":{"source":{"id":"1706.06480","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2017-06-20T14:29:42Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f7f724c9f9042d19a4fc1293f03697efe48a8adb7a45f8101b965ea4a3988c79","abstract_canon_sha256":"f1118e45116573a8896e47fde86ffdf178a5e595425f9d6b2e24f931c9636b59"},"schema_version":"1.0"},"canonical_sha256":"b97672eded94cc282da89d4fa2754c753174b3338c7aa57f37d0e8974e95222c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:16.806907Z","signature_b64":"imG2hhXAkjV2NLZXwqE28V4VUS9g7vxde9A9S3I/8xDdL/HC0ZolCEvtcztzndSGtxh2uliLSXFQrHpX/O/MDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b97672eded94cc282da89d4fa2754c753174b3338c7aa57f37d0e8974e95222c","last_reissued_at":"2026-05-18T00:23:16.806249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:16.806249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.06480","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":"2026-05-18T00:23:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u+Jy/QOfF9xlNnrsTU/VyxhSj52qx/3VZuX9EBNtiUW+2zv6ySw/AhfUVH8u3HOBBqiDRRtfa00McqMO/toGAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:12:06.888851Z"},"content_sha256":"5f6fe1ccc8306db956aa8229d2aa9ba770942a0559af29f82fb2313ea48d42f7","schema_version":"1.0","event_id":"sha256:5f6fe1ccc8306db956aa8229d2aa9ba770942a0559af29f82fb2313ea48d42f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XF3HF3PNSTGCQLNITVH2E5KMOU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advanced Steel Microstructural Classification by Deep Learning Methods","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cs.CV","authors_text":"Dominik Britz, Frank M\\\"ucklich, Mario Fritz, Michael Engstler, Seyed Majid Azimi","submitted_at":"2017-06-20T14:29:42Z","abstract_excerpt":"The inner structure of a material is called microstructure. It stores the genesis of a material and determines all its physical and chemical properties. While microstructural characterization is widely spread and well known, the microstructural classification is mostly done manually by human experts, which gives rise to uncertainties due to subjectivity. Since the microstructure could be a combination of different phases or constituents with complex substructures its automatic classification is very challenging and only a few prior studies exist. Prior works focused on designed and engineered "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06480","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":"2026-05-18T00:23:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JqD4LCbn9f1EP4yJFNXvu20JBVYTW1Fff68dsbGO397j7imIiu8jr0WyMVOimfSXlEd45BD1UsSmiOUZIvTkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:12:06.889585Z"},"content_sha256":"f4a88b3bdf259faf0a0e8cb6e362c648006b268d73f98e77fe15083a15a36a0f","schema_version":"1.0","event_id":"sha256:f4a88b3bdf259faf0a0e8cb6e362c648006b268d73f98e77fe15083a15a36a0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/bundle.json","state_url":"https://pith.science/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/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":"2026-06-12T08:12:06Z","links":{"resolver":"https://pith.science/pith/XF3HF3PNSTGCQLNITVH2E5KMOU","bundle":"https://pith.science/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/bundle.json","state":"https://pith.science/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XF3HF3PNSTGCQLNITVH2E5KMOU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XF3HF3PNSTGCQLNITVH2E5KMOU","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":"f1118e45116573a8896e47fde86ffdf178a5e595425f9d6b2e24f931c9636b59","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2017-06-20T14:29:42Z","title_canon_sha256":"f7f724c9f9042d19a4fc1293f03697efe48a8adb7a45f8101b965ea4a3988c79"},"schema_version":"1.0","source":{"id":"1706.06480","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06480","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06480v2","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06480","created_at":"2026-05-18T00:23:16Z"},{"alias_kind":"pith_short_12","alias_value":"XF3HF3PNSTGC","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XF3HF3PNSTGCQLNI","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XF3HF3PN","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:f4a88b3bdf259faf0a0e8cb6e362c648006b268d73f98e77fe15083a15a36a0f","target":"graph","created_at":"2026-05-18T00:23:16Z","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":"The inner structure of a material is called microstructure. It stores the genesis of a material and determines all its physical and chemical properties. While microstructural characterization is widely spread and well known, the microstructural classification is mostly done manually by human experts, which gives rise to uncertainties due to subjectivity. Since the microstructure could be a combination of different phases or constituents with complex substructures its automatic classification is very challenging and only a few prior studies exist. Prior works focused on designed and engineered ","authors_text":"Dominik Britz, Frank M\\\"ucklich, Mario Fritz, Michael Engstler, Seyed Majid Azimi","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2017-06-20T14:29:42Z","title":"Advanced Steel Microstructural Classification by Deep Learning Methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06480","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":"sha256:5f6fe1ccc8306db956aa8229d2aa9ba770942a0559af29f82fb2313ea48d42f7","target":"record","created_at":"2026-05-18T00:23:16Z","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":"f1118e45116573a8896e47fde86ffdf178a5e595425f9d6b2e24f931c9636b59","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2017-06-20T14:29:42Z","title_canon_sha256":"f7f724c9f9042d19a4fc1293f03697efe48a8adb7a45f8101b965ea4a3988c79"},"schema_version":"1.0","source":{"id":"1706.06480","kind":"arxiv","version":2}},"canonical_sha256":"b97672eded94cc282da89d4fa2754c753174b3338c7aa57f37d0e8974e95222c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b97672eded94cc282da89d4fa2754c753174b3338c7aa57f37d0e8974e95222c","first_computed_at":"2026-05-18T00:23:16.806249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:16.806249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"imG2hhXAkjV2NLZXwqE28V4VUS9g7vxde9A9S3I/8xDdL/HC0ZolCEvtcztzndSGtxh2uliLSXFQrHpX/O/MDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:16.806907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.06480","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f6fe1ccc8306db956aa8229d2aa9ba770942a0559af29f82fb2313ea48d42f7","sha256:f4a88b3bdf259faf0a0e8cb6e362c648006b268d73f98e77fe15083a15a36a0f"],"state_sha256":"c74a624eeaf954fe33b4e43fd67640b34f688f399588d453dbcb3c193e0df104"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pGpaowA2EunT4HOaaZNJ/l4mPNt1j2UTOIYvfBv98FnzBerqh9vJi5h1T9emLNAzQiBkFVjkTzUH8tTMUCvXAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:12:06.892821Z","bundle_sha256":"5126268bebc36543cef823f2ede31a8e1ebc09e843b4f7eed66c9bfd90ab5f4b"}}