{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:S2FJ36FIPFFUR2PQNL5IWJZUBH","short_pith_number":"pith:S2FJ36FI","canonical_record":{"source":{"id":"1011.6225","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-29T13:46:47Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"66eb8ac135141feae96a7f897c86052f37b36f7b6e824da4c085f80be0fcf0ec","abstract_canon_sha256":"fa13b2297f5a8c184383cbcdf3288d667d5c0fdd6605cd877a0a5dd2a94348e0"},"schema_version":"1.0"},"canonical_sha256":"968a9df8a8794b48e9f06afa8b273409d80cc3811c34e03d85f4b571bb66a28a","source":{"kind":"arxiv","id":"1011.6225","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6225","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6225v2","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6225","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"S2FJ36FIPFFU","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"S2FJ36FIPFFUR2PQ","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"S2FJ36FI","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:S2FJ36FIPFFUR2PQNL5IWJZUBH","target":"record","payload":{"canonical_record":{"source":{"id":"1011.6225","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-29T13:46:47Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"66eb8ac135141feae96a7f897c86052f37b36f7b6e824da4c085f80be0fcf0ec","abstract_canon_sha256":"fa13b2297f5a8c184383cbcdf3288d667d5c0fdd6605cd877a0a5dd2a94348e0"},"schema_version":"1.0"},"canonical_sha256":"968a9df8a8794b48e9f06afa8b273409d80cc3811c34e03d85f4b571bb66a28a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:38.000600Z","signature_b64":"4IR7aFSUJMJQo8cbB2x+5AxmRFUpkxbZJDxkLRfXctQqsv9x//QAA1LPbQa9PnGszteljrgetlDhbfIhjCd3Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"968a9df8a8794b48e9f06afa8b273409d80cc3811c34e03d85f4b571bb66a28a","last_reissued_at":"2026-05-18T02:04:37.999874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:37.999874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.6225","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svStQGWWLUwjP/ECqFmbWZVCq3FAjM8U9Utu6wlMrmir5qKPfbL+h8ecP2dcIxPRsWyAgQjH0JielqeLXOfDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:55:05.399595Z"},"content_sha256":"1950ca4f075587f900e82c1d058b40d4e3ac35d62282b5251c54ecd61032d31e","schema_version":"1.0","event_id":"sha256:1950ca4f075587f900e82c1d058b40d4e3ac35d62282b5251c54ecd61032d31e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:S2FJ36FIPFFUR2PQNL5IWJZUBH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From nanoparticles to nanocrystalline bulk: Field assisted sintering of silicon nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Schwesig, G. Schierning, H. Wiggers, N. Petermann, N. Stein, R. Schmechel, R. Theissmann","submitted_at":"2010-11-29T13:46:47Z","abstract_excerpt":"Nanocrystalline bulk materials are desirable for many applications as they combine mechanical strength and specific electronic transport properties. Our bottom up approach starts with tailored nanoparticles. Compaction and thermal treatment are crucial, but usually the final stage sintering is accompanied by rapid grain growth which spoils nanocristallinity. For electrically conducting nanoparticles, field activated sintering techniques overcome this problem. Small grain sizes have been maintained in spite of consolidation. Nevertheless, the underlying principles, which are of high practical i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6225","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwHXEfvwiWCldLMfcC1B5vQu8UoDfhWKKL/EHjkAaG/EOkkmOnGQYR9UznckRRAj3NND1IU/J2tAdpBBmhWKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:55:05.399952Z"},"content_sha256":"f5d08f29a8d1e9aab2d6eec0864bb033eb122d16bd67726f2d6c1b9133681e92","schema_version":"1.0","event_id":"sha256:f5d08f29a8d1e9aab2d6eec0864bb033eb122d16bd67726f2d6c1b9133681e92"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/bundle.json","state_url":"https://pith.science/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/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":"2026-05-26T21:55:05Z","links":{"resolver":"https://pith.science/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH","bundle":"https://pith.science/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/bundle.json","state":"https://pith.science/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S2FJ36FIPFFUR2PQNL5IWJZUBH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:S2FJ36FIPFFUR2PQNL5IWJZUBH","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":"fa13b2297f5a8c184383cbcdf3288d667d5c0fdd6605cd877a0a5dd2a94348e0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-29T13:46:47Z","title_canon_sha256":"66eb8ac135141feae96a7f897c86052f37b36f7b6e824da4c085f80be0fcf0ec"},"schema_version":"1.0","source":{"id":"1011.6225","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6225","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6225v2","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6225","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"S2FJ36FIPFFU","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"S2FJ36FIPFFUR2PQ","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"S2FJ36FI","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:f5d08f29a8d1e9aab2d6eec0864bb033eb122d16bd67726f2d6c1b9133681e92","target":"graph","created_at":"2026-05-18T02:04:37Z","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":"Nanocrystalline bulk materials are desirable for many applications as they combine mechanical strength and specific electronic transport properties. Our bottom up approach starts with tailored nanoparticles. Compaction and thermal treatment are crucial, but usually the final stage sintering is accompanied by rapid grain growth which spoils nanocristallinity. For electrically conducting nanoparticles, field activated sintering techniques overcome this problem. Small grain sizes have been maintained in spite of consolidation. Nevertheless, the underlying principles, which are of high practical i","authors_text":"D. Schwesig, G. Schierning, H. Wiggers, N. Petermann, N. Stein, R. Schmechel, R. Theissmann","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-29T13:46:47Z","title":"From nanoparticles to nanocrystalline bulk: Field assisted sintering of silicon nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6225","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":"sha256:1950ca4f075587f900e82c1d058b40d4e3ac35d62282b5251c54ecd61032d31e","target":"record","created_at":"2026-05-18T02:04:37Z","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":"fa13b2297f5a8c184383cbcdf3288d667d5c0fdd6605cd877a0a5dd2a94348e0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-29T13:46:47Z","title_canon_sha256":"66eb8ac135141feae96a7f897c86052f37b36f7b6e824da4c085f80be0fcf0ec"},"schema_version":"1.0","source":{"id":"1011.6225","kind":"arxiv","version":2}},"canonical_sha256":"968a9df8a8794b48e9f06afa8b273409d80cc3811c34e03d85f4b571bb66a28a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"968a9df8a8794b48e9f06afa8b273409d80cc3811c34e03d85f4b571bb66a28a","first_computed_at":"2026-05-18T02:04:37.999874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:37.999874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4IR7aFSUJMJQo8cbB2x+5AxmRFUpkxbZJDxkLRfXctQqsv9x//QAA1LPbQa9PnGszteljrgetlDhbfIhjCd3Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:38.000600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.6225","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1950ca4f075587f900e82c1d058b40d4e3ac35d62282b5251c54ecd61032d31e","sha256:f5d08f29a8d1e9aab2d6eec0864bb033eb122d16bd67726f2d6c1b9133681e92"],"state_sha256":"eb8ff67eb91e5b119d4617792d5b4074eda79b1bcf82c7ad47ea006c2f4ba0c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hRwDsxi1JRGYUxK561VpDtM77zdbnA1tsgbGfYiR1WrAxCpzqMWGEL3Sp7RCLy1RoZRNRNOKnISsyUvLVeEoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:55:05.402251Z","bundle_sha256":"3e8b00f71e8c97b1251349058bb45a394716b9fde108e3a4b824aac3d271cd37"}}