{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:DU3XHN5O6M2UZKUUPFTWP5BE27","short_pith_number":"pith:DU3XHN5O","canonical_record":{"source":{"id":"2012.00456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2020-12-01T13:04:27Z","cross_cats_sorted":[],"title_canon_sha256":"e7a8a6683d38454526a8cc786f505803f92b7f964a8eea41224f0c07694c2d6f","abstract_canon_sha256":"f12bad67514016adb00ffcb29573e02df6f39af28202b2af9bc9d61d2c82d090"},"schema_version":"1.0"},"canonical_sha256":"1d3773b7aef3354caa94796767f424d7cd2f97aa1f634f3d88c83eb72925825c","source":{"kind":"arxiv","id":"2012.00456","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00456","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00456v1","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00456","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_12","alias_value":"DU3XHN5O6M2U","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_16","alias_value":"DU3XHN5O6M2UZKUU","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_8","alias_value":"DU3XHN5O","created_at":"2026-07-05T01:55:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:DU3XHN5O6M2UZKUUPFTWP5BE27","target":"record","payload":{"canonical_record":{"source":{"id":"2012.00456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2020-12-01T13:04:27Z","cross_cats_sorted":[],"title_canon_sha256":"e7a8a6683d38454526a8cc786f505803f92b7f964a8eea41224f0c07694c2d6f","abstract_canon_sha256":"f12bad67514016adb00ffcb29573e02df6f39af28202b2af9bc9d61d2c82d090"},"schema_version":"1.0"},"canonical_sha256":"1d3773b7aef3354caa94796767f424d7cd2f97aa1f634f3d88c83eb72925825c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:36.332424Z","signature_b64":"zV2j3nPho7VGuXVEfm72JTH6AwpCo6Mqjz3GpBBoqhaY8JJCqh4RhWB/Hf+qoW+9vWnpwmrgmuD+XWuWhMVJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d3773b7aef3354caa94796767f424d7cd2f97aa1f634f3d88c83eb72925825c","last_reissued_at":"2026-07-05T01:55:36.331958Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:36.331958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.00456","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":"2026-07-05T01:55:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qCCVVPy0KGGo47ok4yJEenxzmml5Q7bL77OhemBp6dl6ba2rMq5Gb2baz6tbHN/jTjIeAZpEOTMNmQCgCE5cDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T01:29:18.628197Z"},"content_sha256":"a12b064086efedd30f1e680272105173b54b39c30972b1ba99019f86f565482c","schema_version":"1.0","event_id":"sha256:a12b064086efedd30f1e680272105173b54b39c30972b1ba99019f86f565482c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:DU3XHN5O6M2UZKUUPFTWP5BE27","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Creating a Scholarly Knowledge Graph from Survey Article Tables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Allard Oelen, Markus Stocker, S\\\"oren Auer","submitted_at":"2020-12-01T13:04:27Z","abstract_excerpt":"Due to the lack of structure, scholarly knowledge remains hardly accessible for machines. Scholarly knowledge graphs have been proposed as a solution. Creating such a knowledge graph requires manual effort and domain experts, and is therefore time-consuming and cumbersome. In this work, we present a human-in-the-loop methodology used to build a scholarly knowledge graph leveraging literature survey articles. Survey articles often contain manually curated and high-quality tabular information that summarizes findings published in the scientific literature. Consequently, survey articles are an ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00456","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/2012.00456/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":"2026-07-05T01:55:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GVRePSCz4eievJfFsYM2ScxLCc9H3wLBDVuq3/BbAzht+fm05uAPhBHKw9pMIXL5tuCETXJkEvi/+G/haWEGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T01:29:18.628595Z"},"content_sha256":"c93602469510b4f69e225fc63a89193007ddaf76e7bcdea4c5ed308dc22500dd","schema_version":"1.0","event_id":"sha256:c93602469510b4f69e225fc63a89193007ddaf76e7bcdea4c5ed308dc22500dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/bundle.json","state_url":"https://pith.science/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/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":"2026-08-14T01:29:18Z","links":{"resolver":"https://pith.science/pith/DU3XHN5O6M2UZKUUPFTWP5BE27","bundle":"https://pith.science/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/bundle.json","state":"https://pith.science/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DU3XHN5O6M2UZKUUPFTWP5BE27/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DU3XHN5O6M2UZKUUPFTWP5BE27","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":"f12bad67514016adb00ffcb29573e02df6f39af28202b2af9bc9d61d2c82d090","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2020-12-01T13:04:27Z","title_canon_sha256":"e7a8a6683d38454526a8cc786f505803f92b7f964a8eea41224f0c07694c2d6f"},"schema_version":"1.0","source":{"id":"2012.00456","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00456","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00456v1","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00456","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_12","alias_value":"DU3XHN5O6M2U","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_16","alias_value":"DU3XHN5O6M2UZKUU","created_at":"2026-07-05T01:55:36Z"},{"alias_kind":"pith_short_8","alias_value":"DU3XHN5O","created_at":"2026-07-05T01:55:36Z"}],"graph_snapshots":[{"event_id":"sha256:c93602469510b4f69e225fc63a89193007ddaf76e7bcdea4c5ed308dc22500dd","target":"graph","created_at":"2026-07-05T01:55:36Z","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/2012.00456/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Due to the lack of structure, scholarly knowledge remains hardly accessible for machines. Scholarly knowledge graphs have been proposed as a solution. Creating such a knowledge graph requires manual effort and domain experts, and is therefore time-consuming and cumbersome. In this work, we present a human-in-the-loop methodology used to build a scholarly knowledge graph leveraging literature survey articles. Survey articles often contain manually curated and high-quality tabular information that summarizes findings published in the scientific literature. Consequently, survey articles are an ex","authors_text":"Allard Oelen, Markus Stocker, S\\\"oren Auer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2020-12-01T13:04:27Z","title":"Creating a Scholarly Knowledge Graph from Survey Article Tables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00456","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:a12b064086efedd30f1e680272105173b54b39c30972b1ba99019f86f565482c","target":"record","created_at":"2026-07-05T01:55:36Z","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":"f12bad67514016adb00ffcb29573e02df6f39af28202b2af9bc9d61d2c82d090","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2020-12-01T13:04:27Z","title_canon_sha256":"e7a8a6683d38454526a8cc786f505803f92b7f964a8eea41224f0c07694c2d6f"},"schema_version":"1.0","source":{"id":"2012.00456","kind":"arxiv","version":1}},"canonical_sha256":"1d3773b7aef3354caa94796767f424d7cd2f97aa1f634f3d88c83eb72925825c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d3773b7aef3354caa94796767f424d7cd2f97aa1f634f3d88c83eb72925825c","first_computed_at":"2026-07-05T01:55:36.331958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:55:36.331958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zV2j3nPho7VGuXVEfm72JTH6AwpCo6Mqjz3GpBBoqhaY8JJCqh4RhWB/Hf+qoW+9vWnpwmrgmuD+XWuWhMVJBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:55:36.332424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.00456","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a12b064086efedd30f1e680272105173b54b39c30972b1ba99019f86f565482c","sha256:c93602469510b4f69e225fc63a89193007ddaf76e7bcdea4c5ed308dc22500dd"],"state_sha256":"55581fd01f0f38e265088c504babb206eb6699f9da2cc0c84cb07df8a52cd78b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LADXu6kpfkCmGXNogBHCztJbHGvXaFl/KCaXt9Egpz4NxobR3YEbaeY42mZhdmGi+6mlUrECIP37TBwjQzxcDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T01:29:18.631215Z","bundle_sha256":"fc32a196ff5d1c186c3e3e1d4cc02c3022009f99ea2efd9519003090e566a24b"}}