{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AVSIVL3UXRTOZBYFAGLL42IQGP","short_pith_number":"pith:AVSIVL3U","canonical_record":{"source":{"id":"2606.26857","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-25T10:41:48Z","cross_cats_sorted":[],"title_canon_sha256":"e17d3dffdccdf001a825e7ac6670097f58f4df0148d37e69124281aa915d1fb5","abstract_canon_sha256":"aa226577d980183819d6bfc392ec8da1e10f6511b401eb031a8e09512bfe4540"},"schema_version":"1.0"},"canonical_sha256":"05648aaf74bc66ec87050196be691033e9f42d830ce693f9c6fc160da12362c9","source":{"kind":"arxiv","id":"2606.26857","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26857","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26857v1","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26857","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_12","alias_value":"AVSIVL3UXRTO","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_16","alias_value":"AVSIVL3UXRTOZBYF","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_8","alias_value":"AVSIVL3U","created_at":"2026-06-26T01:16:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AVSIVL3UXRTOZBYFAGLL42IQGP","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26857","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-25T10:41:48Z","cross_cats_sorted":[],"title_canon_sha256":"e17d3dffdccdf001a825e7ac6670097f58f4df0148d37e69124281aa915d1fb5","abstract_canon_sha256":"aa226577d980183819d6bfc392ec8da1e10f6511b401eb031a8e09512bfe4540"},"schema_version":"1.0"},"canonical_sha256":"05648aaf74bc66ec87050196be691033e9f42d830ce693f9c6fc160da12362c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:16:01.861459Z","signature_b64":"/4/TPNiNHQvljzox0cj2Ods1z6Bf2AwdBpYJUkIJ0n7P2Dul7fGU1h0QPJMIvq6AVO6MmH6qSpMD2uTEWMlsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05648aaf74bc66ec87050196be691033e9f42d830ce693f9c6fc160da12362c9","last_reissued_at":"2026-06-26T01:16:01.861047Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:16:01.861047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26857","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":"2026-06-26T01:16:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UBNJzydFd2Nbmgz5ic206zhFFyRD58aOVsFJg7f9T6bunaYpbLH93BTKZv0hvpiAta8wz88XtB+X9HGiaF02CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T07:10:03.327990Z"},"content_sha256":"0d2539db631a924273de1fe68c4b9a39bb9b93a0fe10bb725076f53b3f0d7fce","schema_version":"1.0","event_id":"sha256:0d2539db631a924273de1fe68c4b9a39bb9b93a0fe10bb725076f53b3f0d7fce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AVSIVL3UXRTOZBYFAGLL42IQGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LCAi: Life Cycle Assessment with big data fusion and retrieval-augmented generation-assisted interpretation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Georgios Tsironis, Gonzalo Guillen-Gosalbez, Juan D. Medrano-Garcia","submitted_at":"2026-06-25T10:41:48Z","abstract_excerpt":"The interpretation phase of life cycle assessment often lacks structured mechanisms for translating quantified improvement opportunities addressing environmental hotspots into actionable strategic pathways under technological, social, and policy uncertainty. To overcome this limitation, this study introduces a perspective-conditioned retrieval-augmented generation framework for LCA interpretation, where a multi-perspective retrieval and controlled synthesis is incorporated in the artificial intelligence (AI)-assisted LCA. To operationalise large language models in LCA interpretation, a perspec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26857","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/2606.26857/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":"2026-06-26T01:16:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"okrIu6/6Ocyty/bBZGcz1HnelB/w9k4HdFFFtFz1Q5zSle9L/URYyNS7Zn813Ea1BwH0ustN2oX1zLMJBwFTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T07:10:03.328411Z"},"content_sha256":"d0c35d1592bf220f03616e7dcc9d7ec2d3ac12ef24b1263632ef10e33c8b3686","schema_version":"1.0","event_id":"sha256:d0c35d1592bf220f03616e7dcc9d7ec2d3ac12ef24b1263632ef10e33c8b3686"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/bundle.json","state_url":"https://pith.science/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/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":"2026-06-28T07:10:03Z","links":{"resolver":"https://pith.science/pith/AVSIVL3UXRTOZBYFAGLL42IQGP","bundle":"https://pith.science/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/bundle.json","state":"https://pith.science/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AVSIVL3UXRTOZBYFAGLL42IQGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AVSIVL3UXRTOZBYFAGLL42IQGP","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":"aa226577d980183819d6bfc392ec8da1e10f6511b401eb031a8e09512bfe4540","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-25T10:41:48Z","title_canon_sha256":"e17d3dffdccdf001a825e7ac6670097f58f4df0148d37e69124281aa915d1fb5"},"schema_version":"1.0","source":{"id":"2606.26857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26857","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26857v1","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26857","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_12","alias_value":"AVSIVL3UXRTO","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_16","alias_value":"AVSIVL3UXRTOZBYF","created_at":"2026-06-26T01:16:01Z"},{"alias_kind":"pith_short_8","alias_value":"AVSIVL3U","created_at":"2026-06-26T01:16:01Z"}],"graph_snapshots":[{"event_id":"sha256:d0c35d1592bf220f03616e7dcc9d7ec2d3ac12ef24b1263632ef10e33c8b3686","target":"graph","created_at":"2026-06-26T01:16:01Z","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/2606.26857/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interpretation phase of life cycle assessment often lacks structured mechanisms for translating quantified improvement opportunities addressing environmental hotspots into actionable strategic pathways under technological, social, and policy uncertainty. To overcome this limitation, this study introduces a perspective-conditioned retrieval-augmented generation framework for LCA interpretation, where a multi-perspective retrieval and controlled synthesis is incorporated in the artificial intelligence (AI)-assisted LCA. To operationalise large language models in LCA interpretation, a perspec","authors_text":"Georgios Tsironis, Gonzalo Guillen-Gosalbez, Juan D. Medrano-Garcia","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-25T10:41:48Z","title":"LCAi: Life Cycle Assessment with big data fusion and retrieval-augmented generation-assisted interpretation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26857","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":"sha256:0d2539db631a924273de1fe68c4b9a39bb9b93a0fe10bb725076f53b3f0d7fce","target":"record","created_at":"2026-06-26T01:16:01Z","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":"aa226577d980183819d6bfc392ec8da1e10f6511b401eb031a8e09512bfe4540","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-25T10:41:48Z","title_canon_sha256":"e17d3dffdccdf001a825e7ac6670097f58f4df0148d37e69124281aa915d1fb5"},"schema_version":"1.0","source":{"id":"2606.26857","kind":"arxiv","version":1}},"canonical_sha256":"05648aaf74bc66ec87050196be691033e9f42d830ce693f9c6fc160da12362c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05648aaf74bc66ec87050196be691033e9f42d830ce693f9c6fc160da12362c9","first_computed_at":"2026-06-26T01:16:01.861047Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:16:01.861047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/4/TPNiNHQvljzox0cj2Ods1z6Bf2AwdBpYJUkIJ0n7P2Dul7fGU1h0QPJMIvq6AVO6MmH6qSpMD2uTEWMlsAQ==","signature_status":"signed_v1","signed_at":"2026-06-26T01:16:01.861459Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d2539db631a924273de1fe68c4b9a39bb9b93a0fe10bb725076f53b3f0d7fce","sha256:d0c35d1592bf220f03616e7dcc9d7ec2d3ac12ef24b1263632ef10e33c8b3686"],"state_sha256":"d8bad158616762ae20de672fc23304aa9f80bfeb618bffb1576f3f42766e7f6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdmB5nkG3b0EQLD6YBGR48FuDPd/YioqiLs6xtKiq9qkSs2lsPIknERRzvrdBuZeGL5y4JIzlcF1DjMbZvy5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T07:10:03.330523Z","bundle_sha256":"c5a24221cacc20276b007755c1c298067de87282c75259512aca130aa435feb2"}}