{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PCRNSFEEXU3AX6PGH3F2BE7HHH","short_pith_number":"pith:PCRNSFEE","canonical_record":{"source":{"id":"2504.02719","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-04-03T16:02:46Z","cross_cats_sorted":[],"title_canon_sha256":"b444e765ac2f78e0d0ba3da9a909ca127425495e6d04b046b928bbaf788a3c04","abstract_canon_sha256":"e0355196f9fa4ebdd4aba4cfad3591260a14367e418f322a6aa73b5dbb1e1aed"},"schema_version":"1.0"},"canonical_sha256":"78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096","source":{"kind":"arxiv","id":"2504.02719","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.02719","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"2504.02719v1","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.02719","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"PCRNSFEEXU3A","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_16","alias_value":"PCRNSFEEXU3AX6PG","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_8","alias_value":"PCRNSFEE","created_at":"2026-07-05T10:44:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PCRNSFEEXU3AX6PGH3F2BE7HHH","target":"record","payload":{"canonical_record":{"source":{"id":"2504.02719","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-04-03T16:02:46Z","cross_cats_sorted":[],"title_canon_sha256":"b444e765ac2f78e0d0ba3da9a909ca127425495e6d04b046b928bbaf788a3c04","abstract_canon_sha256":"e0355196f9fa4ebdd4aba4cfad3591260a14367e418f322a6aa73b5dbb1e1aed"},"schema_version":"1.0"},"canonical_sha256":"78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:01.279201Z","signature_b64":"gioBs2C73Lmh66MkjlzZMpq5M+LCiNTG1/lBlovfq4IBHVYv5avOLUis/fpC9uCbwPsz7ZPyugEzuZVRGgHqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096","last_reissued_at":"2026-07-05T10:44:01.278749Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:01.278749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.02719","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":"2026-07-05T10:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xj0MAJUiYL0JNM3eBG3wrwSgUcXEbS5JzwbTBlF9USpER5Yrb6RYWHIrAAHku/5T6fRrpjxftUCUuYI4nMzTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T14:26:58.958091Z"},"content_sha256":"794d095536369663770c222750f454863190d2cca742b8234de221f0180d59a9","schema_version":"1.0","event_id":"sha256:794d095536369663770c222750f454863190d2cca742b8234de221f0180d59a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PCRNSFEEXU3AX6PGH3F2BE7HHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Myth of Immutability: A Multivocal Review on Smart Contract Upgradeability","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bj\\\"orn {\\TH}\\'or J\\'onsson, Ilham Qasse, Isra M. Ali, Mohammad Hamdaqa, Nafisa Ahmed","submitted_at":"2025-04-03T16:02:46Z","abstract_excerpt":"The immutability of smart contracts on blockchain platforms like Ethereum promotes security and trustworthiness but presents challenges for updates, bug fixes, or adding new features post-deployment. These limitations can lead to vulnerabilities and outdated functionality, impeding the evolution and maintenance of decentralized applications. Despite various upgrade mechanisms proposed in academic research and industry, a comprehensive analysis of their trade-offs and practical implications is lacking. This study aims to systematically identify, classify, and evaluate existing smart contract up"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.02719","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/2504.02719/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":"2026-07-05T10:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gajN/w/N9XSmLJgqXoRstHHcxk+3MJo11p5zQ6LphoW8Rtc1YjlyZeh/2XREvY1GJghoRAX2TtVeW4dtkfICCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T14:26:58.958498Z"},"content_sha256":"d8f2cb467487d8ce4c7756968bdad15e55bda4e4bf38c5ef3d4c5f719f9fa29b","schema_version":"1.0","event_id":"sha256:d8f2cb467487d8ce4c7756968bdad15e55bda4e4bf38c5ef3d4c5f719f9fa29b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/bundle.json","state_url":"https://pith.science/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/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":"2026-07-12T14:26:58Z","links":{"resolver":"https://pith.science/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH","bundle":"https://pith.science/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/bundle.json","state":"https://pith.science/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCRNSFEEXU3AX6PGH3F2BE7HHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PCRNSFEEXU3AX6PGH3F2BE7HHH","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":"e0355196f9fa4ebdd4aba4cfad3591260a14367e418f322a6aa73b5dbb1e1aed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-04-03T16:02:46Z","title_canon_sha256":"b444e765ac2f78e0d0ba3da9a909ca127425495e6d04b046b928bbaf788a3c04"},"schema_version":"1.0","source":{"id":"2504.02719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.02719","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"2504.02719v1","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.02719","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"PCRNSFEEXU3A","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_16","alias_value":"PCRNSFEEXU3AX6PG","created_at":"2026-07-05T10:44:01Z"},{"alias_kind":"pith_short_8","alias_value":"PCRNSFEE","created_at":"2026-07-05T10:44:01Z"}],"graph_snapshots":[{"event_id":"sha256:d8f2cb467487d8ce4c7756968bdad15e55bda4e4bf38c5ef3d4c5f719f9fa29b","target":"graph","created_at":"2026-07-05T10:44:01Z","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/2504.02719/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The immutability of smart contracts on blockchain platforms like Ethereum promotes security and trustworthiness but presents challenges for updates, bug fixes, or adding new features post-deployment. These limitations can lead to vulnerabilities and outdated functionality, impeding the evolution and maintenance of decentralized applications. Despite various upgrade mechanisms proposed in academic research and industry, a comprehensive analysis of their trade-offs and practical implications is lacking. This study aims to systematically identify, classify, and evaluate existing smart contract up","authors_text":"Bj\\\"orn {\\TH}\\'or J\\'onsson, Ilham Qasse, Isra M. Ali, Mohammad Hamdaqa, Nafisa Ahmed","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-04-03T16:02:46Z","title":"The Myth of Immutability: A Multivocal Review on Smart Contract Upgradeability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.02719","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":"sha256:794d095536369663770c222750f454863190d2cca742b8234de221f0180d59a9","target":"record","created_at":"2026-07-05T10:44:01Z","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":"e0355196f9fa4ebdd4aba4cfad3591260a14367e418f322a6aa73b5dbb1e1aed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-04-03T16:02:46Z","title_canon_sha256":"b444e765ac2f78e0d0ba3da9a909ca127425495e6d04b046b928bbaf788a3c04"},"schema_version":"1.0","source":{"id":"2504.02719","kind":"arxiv","version":1}},"canonical_sha256":"78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78a2d91484bd360bf9e63ecba093e739eddb9fa9e1d573bf45cd387865da1096","first_computed_at":"2026-07-05T10:44:01.278749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:01.278749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gioBs2C73Lmh66MkjlzZMpq5M+LCiNTG1/lBlovfq4IBHVYv5avOLUis/fpC9uCbwPsz7ZPyugEzuZVRGgHqDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:01.279201Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.02719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:794d095536369663770c222750f454863190d2cca742b8234de221f0180d59a9","sha256:d8f2cb467487d8ce4c7756968bdad15e55bda4e4bf38c5ef3d4c5f719f9fa29b"],"state_sha256":"7b5088ac86f3606973ff56ed2db4f361557a4ecdcc8b72a31f02d9155b7ca1d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qZ0p5J/ZfUgKwrfFb5bDcWVJwIrO7uJIpHdFCJdMwZViDrO83BgoQ0EXUkhVMJWzBYGD5Ov8FeGHDeXNMxACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T14:26:58.960912Z","bundle_sha256":"0711b14b576fb24f135360e01c2a152afaf457e57a5528073181e2bd48adfc81"}}