{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:EJFFQPKQR2ESPV4T6CL6RA6VU4","short_pith_number":"pith:EJFFQPKQ","canonical_record":{"source":{"id":"2102.04227","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2021-02-02T09:57:33Z","cross_cats_sorted":[],"title_canon_sha256":"57b22bebc001855080028f477609ee36925315b477c625c4b8f4456896592108","abstract_canon_sha256":"0ca46fe9b2fd119a0e93d9f4f184f7d12fd5c3c3f204be2c549e4cd97d848a34"},"schema_version":"1.0"},"canonical_sha256":"224a583d508e8927d793f097e883d5a71dd45a387658955f8b4912418ded5337","source":{"kind":"arxiv","id":"2102.04227","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04227","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04227v2","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04227","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_12","alias_value":"EJFFQPKQR2ES","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_16","alias_value":"EJFFQPKQR2ESPV4T","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_8","alias_value":"EJFFQPKQ","created_at":"2026-07-05T03:35:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:EJFFQPKQR2ESPV4T6CL6RA6VU4","target":"record","payload":{"canonical_record":{"source":{"id":"2102.04227","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2021-02-02T09:57:33Z","cross_cats_sorted":[],"title_canon_sha256":"57b22bebc001855080028f477609ee36925315b477c625c4b8f4456896592108","abstract_canon_sha256":"0ca46fe9b2fd119a0e93d9f4f184f7d12fd5c3c3f204be2c549e4cd97d848a34"},"schema_version":"1.0"},"canonical_sha256":"224a583d508e8927d793f097e883d5a71dd45a387658955f8b4912418ded5337","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:35:27.551779Z","signature_b64":"hU6dhpQqiLrznyhh6emLgn0n7H6Kdy7q4jBAeHghwcngv6Npk5V9nYpuQl+dePNvC3NnqqYqb6B5kGYvpRg1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"224a583d508e8927d793f097e883d5a71dd45a387658955f8b4912418ded5337","last_reissued_at":"2026-07-05T03:35:27.551339Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:35:27.551339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.04227","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":"2026-07-05T03:35:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/l62CD5Pa0yT+ldbZNi94iens9D3dN0OifGaSR6MxuZ9cG89XLn29bayDTZXQmZJi7u+BfnmHF9+8647lbJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:44:35.715767Z"},"content_sha256":"b22d4625574807f574ba9aa84d1011097f4d71b52ea57dc5e7339dbb3c383b2f","schema_version":"1.0","event_id":"sha256:b22d4625574807f574ba9aa84d1011097f4d71b52ea57dc5e7339dbb3c383b2f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:EJFFQPKQR2ESPV4T6CL6RA6VU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring Asset Composability as a Proxy for DeFi Integration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Johannes Rude Jensen, Omri Ross, Victor von Wachter","submitted_at":"2021-02-02T09:57:33Z","abstract_excerpt":"Decentralized financial (DeFi) applications on the Ethereum blockchain are highly interoperable because they share a single state in a deterministic computational environment. Stakeholders can deposit claims on assets, referred to as 'liquidity shares', across applications producing effects equivalent to rehypothecation in traditional financial systems. We seek to understand the degree to which this practice may contribute to financial integration on Ethereum by examining transactions in 'composed' derivatives for the assets DAI, USDC, USDT, ETH and tokenized BTC for the full set of 344.8 mill"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04227","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.04227/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":"2026-07-05T03:35:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NJN02lbeB6BrjmTpnZMuEo4mL12Cu1MoABW3xe0gOKPzDHUGrw3gw5a+6rm+NjCBa4Nmci7frgYzADzmcNvsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:44:35.716311Z"},"content_sha256":"1b0fc8ca92732816f0e6e0e5dd7018f140df5ed6eb83f493d7d731c051b22fe1","schema_version":"1.0","event_id":"sha256:1b0fc8ca92732816f0e6e0e5dd7018f140df5ed6eb83f493d7d731c051b22fe1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/bundle.json","state_url":"https://pith.science/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/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":"2026-08-04T18:44:35Z","links":{"resolver":"https://pith.science/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4","bundle":"https://pith.science/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/bundle.json","state":"https://pith.science/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJFFQPKQR2ESPV4T6CL6RA6VU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:EJFFQPKQR2ESPV4T6CL6RA6VU4","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":"0ca46fe9b2fd119a0e93d9f4f184f7d12fd5c3c3f204be2c549e4cd97d848a34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2021-02-02T09:57:33Z","title_canon_sha256":"57b22bebc001855080028f477609ee36925315b477c625c4b8f4456896592108"},"schema_version":"1.0","source":{"id":"2102.04227","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04227","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04227v2","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04227","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_12","alias_value":"EJFFQPKQR2ES","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_16","alias_value":"EJFFQPKQR2ESPV4T","created_at":"2026-07-05T03:35:27Z"},{"alias_kind":"pith_short_8","alias_value":"EJFFQPKQ","created_at":"2026-07-05T03:35:27Z"}],"graph_snapshots":[{"event_id":"sha256:1b0fc8ca92732816f0e6e0e5dd7018f140df5ed6eb83f493d7d731c051b22fe1","target":"graph","created_at":"2026-07-05T03:35:27Z","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/2102.04227/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Decentralized financial (DeFi) applications on the Ethereum blockchain are highly interoperable because they share a single state in a deterministic computational environment. Stakeholders can deposit claims on assets, referred to as 'liquidity shares', across applications producing effects equivalent to rehypothecation in traditional financial systems. We seek to understand the degree to which this practice may contribute to financial integration on Ethereum by examining transactions in 'composed' derivatives for the assets DAI, USDC, USDT, ETH and tokenized BTC for the full set of 344.8 mill","authors_text":"Johannes Rude Jensen, Omri Ross, Victor von Wachter","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2021-02-02T09:57:33Z","title":"Measuring Asset Composability as a Proxy for DeFi Integration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04227","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:b22d4625574807f574ba9aa84d1011097f4d71b52ea57dc5e7339dbb3c383b2f","target":"record","created_at":"2026-07-05T03:35:27Z","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":"0ca46fe9b2fd119a0e93d9f4f184f7d12fd5c3c3f204be2c549e4cd97d848a34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2021-02-02T09:57:33Z","title_canon_sha256":"57b22bebc001855080028f477609ee36925315b477c625c4b8f4456896592108"},"schema_version":"1.0","source":{"id":"2102.04227","kind":"arxiv","version":2}},"canonical_sha256":"224a583d508e8927d793f097e883d5a71dd45a387658955f8b4912418ded5337","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"224a583d508e8927d793f097e883d5a71dd45a387658955f8b4912418ded5337","first_computed_at":"2026-07-05T03:35:27.551339Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:35:27.551339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hU6dhpQqiLrznyhh6emLgn0n7H6Kdy7q4jBAeHghwcngv6Npk5V9nYpuQl+dePNvC3NnqqYqb6B5kGYvpRg1Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T03:35:27.551779Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.04227","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b22d4625574807f574ba9aa84d1011097f4d71b52ea57dc5e7339dbb3c383b2f","sha256:1b0fc8ca92732816f0e6e0e5dd7018f140df5ed6eb83f493d7d731c051b22fe1"],"state_sha256":"626295a5174b27acfd80c3140a70f7b8ee80f5992f6495027b062b71de26ce02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wDEilbjGx7ARmnxCF0q+gqcG8DlleMksKuau7BUngbQlG2l6qfwlar3M1yZVWqorDBb5hwmIAeaEz7hGOYb7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T18:44:35.719914Z","bundle_sha256":"dc40d7818e2595e7fa06ddb52b9a4ef7f13a2e85f717b06aa27966ff60ce8e86"}}