{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZJEQ5VZ3S7T6NLMIRDTC4KMPDP","short_pith_number":"pith:ZJEQ5VZ3","canonical_record":{"source":{"id":"2502.06515","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2025-02-10T14:33:40Z","cross_cats_sorted":[],"title_canon_sha256":"10459beb074b78b2ff36a64661cafc0387241c975713a329cffb8a558ad95f47","abstract_canon_sha256":"c43baea7bb111ed28568b8e126570c310196326c669f87b154331dce266ee415"},"schema_version":"1.0"},"canonical_sha256":"ca490ed73b97e7e6ad8888e62e298f1be81f33398dbb7b3a69069101c690a67c","source":{"kind":"arxiv","id":"2502.06515","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.06515","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2502.06515v1","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.06515","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"ZJEQ5VZ3S7T6","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZJEQ5VZ3S7T6NLMI","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZJEQ5VZ3","created_at":"2026-07-05T10:12:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZJEQ5VZ3S7T6NLMIRDTC4KMPDP","target":"record","payload":{"canonical_record":{"source":{"id":"2502.06515","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2025-02-10T14:33:40Z","cross_cats_sorted":[],"title_canon_sha256":"10459beb074b78b2ff36a64661cafc0387241c975713a329cffb8a558ad95f47","abstract_canon_sha256":"c43baea7bb111ed28568b8e126570c310196326c669f87b154331dce266ee415"},"schema_version":"1.0"},"canonical_sha256":"ca490ed73b97e7e6ad8888e62e298f1be81f33398dbb7b3a69069101c690a67c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:07.922529Z","signature_b64":"prmhRE9cDLjYT59RF5mkRB8T1lIvTu35PMlUQ6pmW4tF5riKuua9T5y0zLVHV7K0B4TWGXizxklVdtWJBPIyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca490ed73b97e7e6ad8888e62e298f1be81f33398dbb7b3a69069101c690a67c","last_reissued_at":"2026-07-05T10:12:07.922068Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:07.922068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.06515","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":"2026-07-05T10:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JeEptO6aqwb5lzeKptQ7apzJF1dtUUz+A8pvlDxfg3NEAucs4dlsUA0wm2DrqVlLeNG3WcDiSif4E4qwNRLcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:50:21.892551Z"},"content_sha256":"ff0c27cb148dd7363e8766700bc468634168ff95ebdf89631ca80141aad3f3b2","schema_version":"1.0","event_id":"sha256:ff0c27cb148dd7363e8766700bc468634168ff95ebdf89631ca80141aad3f3b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZJEQ5VZ3S7T6NLMIRDTC4KMPDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fractional Claims Trades and Donations in Financial Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.GT","authors_text":"Lars Huth, Lisa Wilhelmi, Martin Hoefer","submitted_at":"2025-02-10T14:33:40Z","abstract_excerpt":"Exploring measures to improve financial networks and mitigate systemic risks is an ongoing challenge. We study claims trading, a notion defined in Chapter 11 of the U.S. Bankruptcy Code. For a bank $v$ in distress and a trading partner $w$, the latter is taking over some claims of $v$ and in return giving liquidity to $v$. The idea is to rescue $v$ (or mitigate contagion effects from $v$'s insolvency). We focus on the impact of trading claims fractionally, when $v$ and $w$ can agree to trade only part of a claim. In addition, we study donations, in which $w$ only provides liquidity to $v$. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.06515","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/2502.06515/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":"2026-07-05T10:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgoDd7RUQuhPLm1G9c1pA/oKff1qFU0IOlPHZe8ufNWrXmymX81tsLrTg4q4OOQy95uMrrItxVc8t7PFJsI/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:50:21.893062Z"},"content_sha256":"44c915270652701c5c67471a269fa3069dc6d2b343e20c284c43f3f2ca7c2c88","schema_version":"1.0","event_id":"sha256:44c915270652701c5c67471a269fa3069dc6d2b343e20c284c43f3f2ca7c2c88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/bundle.json","state_url":"https://pith.science/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/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":"2026-08-11T14:50:21Z","links":{"resolver":"https://pith.science/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP","bundle":"https://pith.science/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/bundle.json","state":"https://pith.science/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJEQ5VZ3S7T6NLMIRDTC4KMPDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZJEQ5VZ3S7T6NLMIRDTC4KMPDP","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":"c43baea7bb111ed28568b8e126570c310196326c669f87b154331dce266ee415","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2025-02-10T14:33:40Z","title_canon_sha256":"10459beb074b78b2ff36a64661cafc0387241c975713a329cffb8a558ad95f47"},"schema_version":"1.0","source":{"id":"2502.06515","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.06515","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2502.06515v1","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.06515","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"ZJEQ5VZ3S7T6","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZJEQ5VZ3S7T6NLMI","created_at":"2026-07-05T10:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZJEQ5VZ3","created_at":"2026-07-05T10:12:07Z"}],"graph_snapshots":[{"event_id":"sha256:44c915270652701c5c67471a269fa3069dc6d2b343e20c284c43f3f2ca7c2c88","target":"graph","created_at":"2026-07-05T10:12:07Z","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/2502.06515/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Exploring measures to improve financial networks and mitigate systemic risks is an ongoing challenge. We study claims trading, a notion defined in Chapter 11 of the U.S. Bankruptcy Code. For a bank $v$ in distress and a trading partner $w$, the latter is taking over some claims of $v$ and in return giving liquidity to $v$. The idea is to rescue $v$ (or mitigate contagion effects from $v$'s insolvency). We focus on the impact of trading claims fractionally, when $v$ and $w$ can agree to trade only part of a claim. In addition, we study donations, in which $w$ only provides liquidity to $v$. The","authors_text":"Lars Huth, Lisa Wilhelmi, Martin Hoefer","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2025-02-10T14:33:40Z","title":"Fractional Claims Trades and Donations in Financial Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.06515","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:ff0c27cb148dd7363e8766700bc468634168ff95ebdf89631ca80141aad3f3b2","target":"record","created_at":"2026-07-05T10:12:07Z","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":"c43baea7bb111ed28568b8e126570c310196326c669f87b154331dce266ee415","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2025-02-10T14:33:40Z","title_canon_sha256":"10459beb074b78b2ff36a64661cafc0387241c975713a329cffb8a558ad95f47"},"schema_version":"1.0","source":{"id":"2502.06515","kind":"arxiv","version":1}},"canonical_sha256":"ca490ed73b97e7e6ad8888e62e298f1be81f33398dbb7b3a69069101c690a67c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca490ed73b97e7e6ad8888e62e298f1be81f33398dbb7b3a69069101c690a67c","first_computed_at":"2026-07-05T10:12:07.922068Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:07.922068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"prmhRE9cDLjYT59RF5mkRB8T1lIvTu35PMlUQ6pmW4tF5riKuua9T5y0zLVHV7K0B4TWGXizxklVdtWJBPIyDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:07.922529Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.06515","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff0c27cb148dd7363e8766700bc468634168ff95ebdf89631ca80141aad3f3b2","sha256:44c915270652701c5c67471a269fa3069dc6d2b343e20c284c43f3f2ca7c2c88"],"state_sha256":"4e6b52a49b32c8d86de65072dc9947f092350be73d75b2149897545c71b0af07"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+5AMhz/8fMRXxf3fc5CjTCe2+q+6mm/jSQZc8lkjhMsVbCCUjNqawMvFPHTINY8u9rVnxbVP7kiNk1e8gG+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T14:50:21.902615Z","bundle_sha256":"936efd9ba8f5d09ae6ec95b183e54ddbbaa1aee03dbe4851df11c97e9c64e24d"}}