{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:E5Q4JRRU7RZ2IOXGSVVBM5PYJS","short_pith_number":"pith:E5Q4JRRU","schema_version":"1.0","canonical_sha256":"2761c4c634fc73a43ae6956a1675f84c942d58da25d4bc968754bf3b70909844","source":{"kind":"arxiv","id":"2605.20952","version":1},"attestation_state":"computed","paper":{"title":"Ark: Offchain Transaction Batching in Bitcoin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.DC","authors_text":"Andrew Camilleri, Marco Argentieri, Matteo Maffei, Pim Keer, Zeta Avarikioti","submitted_at":"2026-05-20T09:40:20Z","abstract_excerpt":"Bitcoin is the cryptocurrency with the largest market capitalisation, but its widespread adoption is fundamentally limited by the scalability constraints of its consensus algorithm, which requires every transaction to be confirmed onchain. To address this, several Layer-2 scalability solutions have been proposed to move payments offchain -- most notably, the Lightning Network. However, their deployment remains hindered by cumbersome setup requirements: users must lock funds onchain to participate and engage in complex auxiliary protocols (e.g., for channel rebalancing, top-ups, and routing). O"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.20952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-05-20T09:40:20Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"3098d3eed66d183a457a9cde8031ac19e93d2cf814019fcc55d2fa6f12b6d11d","abstract_canon_sha256":"a2f1ca6f5945e0b5e7ec410bf4d0081500dc22579f2f47b725528e4a2d0c9d56"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:29.527787Z","signature_b64":"bowROlZ/pDs4lGO8cNY5ljnJWNz++ITQoXzAZNX+LHBFx4ji0QPlfLjQH64L+3vUm2RRtodc2astK53HWgoOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2761c4c634fc73a43ae6956a1675f84c942d58da25d4bc968754bf3b70909844","last_reissued_at":"2026-05-21T01:05:29.527216Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:29.527216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ark: Offchain Transaction Batching in Bitcoin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.DC","authors_text":"Andrew Camilleri, Marco Argentieri, Matteo Maffei, Pim Keer, Zeta Avarikioti","submitted_at":"2026-05-20T09:40:20Z","abstract_excerpt":"Bitcoin is the cryptocurrency with the largest market capitalisation, but its widespread adoption is fundamentally limited by the scalability constraints of its consensus algorithm, which requires every transaction to be confirmed onchain. To address this, several Layer-2 scalability solutions have been proposed to move payments offchain -- most notably, the Lightning Network. However, their deployment remains hindered by cumbersome setup requirements: users must lock funds onchain to participate and engage in complex auxiliary protocols (e.g., for channel rebalancing, top-ups, and routing). O"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20952","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/2605.20952/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.20952","created_at":"2026-05-21T01:05:29.527327+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.20952v1","created_at":"2026-05-21T01:05:29.527327+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20952","created_at":"2026-05-21T01:05:29.527327+00:00"},{"alias_kind":"pith_short_12","alias_value":"E5Q4JRRU7RZ2","created_at":"2026-05-21T01:05:29.527327+00:00"},{"alias_kind":"pith_short_16","alias_value":"E5Q4JRRU7RZ2IOXG","created_at":"2026-05-21T01:05:29.527327+00:00"},{"alias_kind":"pith_short_8","alias_value":"E5Q4JRRU","created_at":"2026-05-21T01:05:29.527327+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS","json":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS.json","graph_json":"https://pith.science/api/pith-number/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/graph.json","events_json":"https://pith.science/api/pith-number/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/events.json","paper":"https://pith.science/paper/E5Q4JRRU"},"agent_actions":{"view_html":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS","download_json":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS.json","view_paper":"https://pith.science/paper/E5Q4JRRU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.20952&json=true","fetch_graph":"https://pith.science/api/pith-number/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/graph.json","fetch_events":"https://pith.science/api/pith-number/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/action/storage_attestation","attest_author":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/action/author_attestation","sign_citation":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/action/citation_signature","submit_replication":"https://pith.science/pith/E5Q4JRRU7RZ2IOXGSVVBM5PYJS/action/replication_record"}},"created_at":"2026-05-21T01:05:29.527327+00:00","updated_at":"2026-05-21T01:05:29.527327+00:00"}