{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:OZCXRPZEACZPA6PJWEVJF57TGA","short_pith_number":"pith:OZCXRPZE","canonical_record":{"source":{"id":"2507.20933","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-28T15:43:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"12399a58e17913ff7cde3e67f9edee59e33c21e231d65be70e75ad8709113766","abstract_canon_sha256":"95841febcbcbc956963c02ff5ad7eefd96fea777ef4c514812c6be275b22bde8"},"schema_version":"1.0"},"canonical_sha256":"764578bf2400b2f079e9b12a92f7f3303c2ffbe968913b06f311e1217619418b","source":{"kind":"arxiv","id":"2507.20933","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20933","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20933v1","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20933","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_12","alias_value":"OZCXRPZEACZP","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_16","alias_value":"OZCXRPZEACZPA6PJ","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_8","alias_value":"OZCXRPZE","created_at":"2026-07-05T11:44:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:OZCXRPZEACZPA6PJWEVJF57TGA","target":"record","payload":{"canonical_record":{"source":{"id":"2507.20933","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-28T15:43:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"12399a58e17913ff7cde3e67f9edee59e33c21e231d65be70e75ad8709113766","abstract_canon_sha256":"95841febcbcbc956963c02ff5ad7eefd96fea777ef4c514812c6be275b22bde8"},"schema_version":"1.0"},"canonical_sha256":"764578bf2400b2f079e9b12a92f7f3303c2ffbe968913b06f311e1217619418b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:44:28.429970Z","signature_b64":"8mqtJRNwXTTaSXk2/VnV0Z8dcS+mbOvBJn9ouF+LOb1ikhooO611Q7om7A3cNqxRIYj/RgJ24cSP31LcjnG5DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"764578bf2400b2f079e9b12a92f7f3303c2ffbe968913b06f311e1217619418b","last_reissued_at":"2026-07-05T11:44:28.429488Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:44:28.429488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.20933","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":"2026-07-05T11:44:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BE8b2Fw9IhUmqOH9ZmufN0YSLPQNiQB0HH/1RHiu7qZgvg3ZoORwnqCCaQKd4NLIek2XWuuskzP2tUBRxOvqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:39:25.415574Z"},"content_sha256":"7f2cb9af051596ab92b1d6f2d44452a8e7f56676429fba48ea2f90befd2ee02f","schema_version":"1.0","event_id":"sha256:7f2cb9af051596ab92b1d6f2d44452a8e7f56676429fba48ea2f90befd2ee02f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:OZCXRPZEACZPA6PJWEVJF57TGA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ProForm: Solder-Free Circuit Assembly Using Thermoforming","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cs.HC","authors_text":"Benyamin Davaji, Gregory D. Abowd, Jeffrey I. Lipton, Narjes Pourjafarian, Zhenming Yang","submitted_at":"2025-07-28T15:43:41Z","abstract_excerpt":"Electronic waste (e-waste) is a growing global challenge, with millions of functional components discarded due to the difficulty of repair and reuse. Traditional circuit assembly relies on soldering, which creates semi-permanent bonds that limit component recovery and contribute to unnecessary waste. We introduce ProForm, a thermoforming approach for solder-free circuit prototyping. By encapsulating electronic components with pressure-formed thermoplastics, ProForm enables secure, reversible mounting without the need for solder or custom mechanical housings. This approach supports a wide range"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20933","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/2507.20933/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":"2026-07-05T11:44:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YLcJfaVvUdE3mMa2EQphUTBZZfJWq846yrOHgqQ0bJnE3cakemTzCaXgOsDZVoyNAIIIBshD7/Hkj2PxxjYpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:39:25.416080Z"},"content_sha256":"450221186817073cb44bec6ea5c0ad2bb0fe3642567b5c58cbb50271fbc04db7","schema_version":"1.0","event_id":"sha256:450221186817073cb44bec6ea5c0ad2bb0fe3642567b5c58cbb50271fbc04db7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OZCXRPZEACZPA6PJWEVJF57TGA/bundle.json","state_url":"https://pith.science/pith/OZCXRPZEACZPA6PJWEVJF57TGA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OZCXRPZEACZPA6PJWEVJF57TGA/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":"2026-08-16T09:39:25Z","links":{"resolver":"https://pith.science/pith/OZCXRPZEACZPA6PJWEVJF57TGA","bundle":"https://pith.science/pith/OZCXRPZEACZPA6PJWEVJF57TGA/bundle.json","state":"https://pith.science/pith/OZCXRPZEACZPA6PJWEVJF57TGA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OZCXRPZEACZPA6PJWEVJF57TGA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OZCXRPZEACZPA6PJWEVJF57TGA","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":"95841febcbcbc956963c02ff5ad7eefd96fea777ef4c514812c6be275b22bde8","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-28T15:43:41Z","title_canon_sha256":"12399a58e17913ff7cde3e67f9edee59e33c21e231d65be70e75ad8709113766"},"schema_version":"1.0","source":{"id":"2507.20933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.20933","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.20933v1","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20933","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_12","alias_value":"OZCXRPZEACZP","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_16","alias_value":"OZCXRPZEACZPA6PJ","created_at":"2026-07-05T11:44:28Z"},{"alias_kind":"pith_short_8","alias_value":"OZCXRPZE","created_at":"2026-07-05T11:44:28Z"}],"graph_snapshots":[{"event_id":"sha256:450221186817073cb44bec6ea5c0ad2bb0fe3642567b5c58cbb50271fbc04db7","target":"graph","created_at":"2026-07-05T11:44:28Z","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/2507.20933/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electronic waste (e-waste) is a growing global challenge, with millions of functional components discarded due to the difficulty of repair and reuse. Traditional circuit assembly relies on soldering, which creates semi-permanent bonds that limit component recovery and contribute to unnecessary waste. We introduce ProForm, a thermoforming approach for solder-free circuit prototyping. By encapsulating electronic components with pressure-formed thermoplastics, ProForm enables secure, reversible mounting without the need for solder or custom mechanical housings. This approach supports a wide range","authors_text":"Benyamin Davaji, Gregory D. Abowd, Jeffrey I. Lipton, Narjes Pourjafarian, Zhenming Yang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-28T15:43:41Z","title":"ProForm: Solder-Free Circuit Assembly Using Thermoforming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20933","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":"sha256:7f2cb9af051596ab92b1d6f2d44452a8e7f56676429fba48ea2f90befd2ee02f","target":"record","created_at":"2026-07-05T11:44:28Z","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":"95841febcbcbc956963c02ff5ad7eefd96fea777ef4c514812c6be275b22bde8","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-28T15:43:41Z","title_canon_sha256":"12399a58e17913ff7cde3e67f9edee59e33c21e231d65be70e75ad8709113766"},"schema_version":"1.0","source":{"id":"2507.20933","kind":"arxiv","version":1}},"canonical_sha256":"764578bf2400b2f079e9b12a92f7f3303c2ffbe968913b06f311e1217619418b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"764578bf2400b2f079e9b12a92f7f3303c2ffbe968913b06f311e1217619418b","first_computed_at":"2026-07-05T11:44:28.429488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:44:28.429488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8mqtJRNwXTTaSXk2/VnV0Z8dcS+mbOvBJn9ouF+LOb1ikhooO611Q7om7A3cNqxRIYj/RgJ24cSP31LcjnG5DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:44:28.429970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.20933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f2cb9af051596ab92b1d6f2d44452a8e7f56676429fba48ea2f90befd2ee02f","sha256:450221186817073cb44bec6ea5c0ad2bb0fe3642567b5c58cbb50271fbc04db7"],"state_sha256":"d8efad77d1fda5d1b5cb657fcadd48a5ab820e337ce0cee259ce4025567ce988"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mA2A3idMZmCX8Rcy9BjiNGurguE1qvFQGZe6kCkEN9EZvDMSM/HQjufmu/gCfNdkc7JCIpEKHQxBx/2mCyQkCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T09:39:25.421039Z","bundle_sha256":"59cdb56c8841a8fa91e76743c38f6a062d7327250db2e7eb96c719d86654742f"}}