{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:SECL3SMU2EVR2DLTWLXTU3TNKX","short_pith_number":"pith:SECL3SMU","canonical_record":{"source":{"id":"2306.15816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-06-27T22:20:50Z","cross_cats_sorted":[],"title_canon_sha256":"6b7e633e4a247be4fbdbf2eb769072b2946795c8a0a05a2f18a8d958b293fe27","abstract_canon_sha256":"f78cd89010107a177c80955d189db4296927b7b51036d84fdfbc25ce3fcb9b11"},"schema_version":"1.0"},"canonical_sha256":"9104bdc994d12b1d0d73b2ef3a6e6d55fb896fe55900732704891f81a367b100","source":{"kind":"arxiv","id":"2306.15816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15816","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15816v1","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15816","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_12","alias_value":"SECL3SMU2EVR","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_16","alias_value":"SECL3SMU2EVR2DLT","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_8","alias_value":"SECL3SMU","created_at":"2026-07-05T06:25:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:SECL3SMU2EVR2DLTWLXTU3TNKX","target":"record","payload":{"canonical_record":{"source":{"id":"2306.15816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-06-27T22:20:50Z","cross_cats_sorted":[],"title_canon_sha256":"6b7e633e4a247be4fbdbf2eb769072b2946795c8a0a05a2f18a8d958b293fe27","abstract_canon_sha256":"f78cd89010107a177c80955d189db4296927b7b51036d84fdfbc25ce3fcb9b11"},"schema_version":"1.0"},"canonical_sha256":"9104bdc994d12b1d0d73b2ef3a6e6d55fb896fe55900732704891f81a367b100","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:25:44.720064Z","signature_b64":"j3NyGQv9zNEihVdASo7RJUf9Cgdd3XKiv1F660FKURF8nJ7IogGP7cB5so66YrWNdOZcp/ECgoAdoHTtErhpDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9104bdc994d12b1d0d73b2ef3a6e6d55fb896fe55900732704891f81a367b100","last_reissued_at":"2026-07-05T06:25:44.719585Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:25:44.719585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.15816","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":"2026-07-05T06:25:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a5/2R9KBsAV4GBoOHxVsOGrpIVzbG9PmUCNFXoYn7UFhZDQK7Ei7PG6CXDK9CZgm2Mq33FUgSE3H2Gi127BEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:28:50.522967Z"},"content_sha256":"c3a90ae3084fc72f6fe917961f02a789e6c11c985c4b06a60ea2b9795c33549e","schema_version":"1.0","event_id":"sha256:c3a90ae3084fc72f6fe917961f02a789e6c11c985c4b06a60ea2b9795c33549e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:SECL3SMU2EVR2DLTWLXTU3TNKX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Promise and Pitfalls of Optimizing Embodied Carbon","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"David Irwin, Noman Bashir, Prashant Shenoy","submitted_at":"2023-06-27T22:20:50Z","abstract_excerpt":"To halt further climate change, computing, along with the rest of society, must reduce, and eventually eliminate, its carbon emissions. Recently, many researchers have focused on estimating and optimizing computing's \\emph{embodied carbon}, i.e., from manufacturing computing infrastructure, in addition to its \\emph{operational carbon}, i.e., from executing computations, primarily because the former is much larger than the latter but has received less research attention. Focusing attention on embodied carbon is important because it can incentivize i) operators to increase their infrastructure's"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15816","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/2306.15816/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":"2026-07-05T06:25:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lx7B69+jSqCJLdS//m1ahgQndE3pEhBb6bGq29YINNICod6jtIrfLSoXF9pAdcjL/Wcvms1nzNY20EQkzq4ADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:28:50.523516Z"},"content_sha256":"2d981ab5083987b15a269e34eadf03fa8acf9ca41e583c325774778b1037fcfb","schema_version":"1.0","event_id":"sha256:2d981ab5083987b15a269e34eadf03fa8acf9ca41e583c325774778b1037fcfb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/bundle.json","state_url":"https://pith.science/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/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":"2026-08-05T18:28:50Z","links":{"resolver":"https://pith.science/pith/SECL3SMU2EVR2DLTWLXTU3TNKX","bundle":"https://pith.science/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/bundle.json","state":"https://pith.science/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SECL3SMU2EVR2DLTWLXTU3TNKX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SECL3SMU2EVR2DLTWLXTU3TNKX","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":"f78cd89010107a177c80955d189db4296927b7b51036d84fdfbc25ce3fcb9b11","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-06-27T22:20:50Z","title_canon_sha256":"6b7e633e4a247be4fbdbf2eb769072b2946795c8a0a05a2f18a8d958b293fe27"},"schema_version":"1.0","source":{"id":"2306.15816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15816","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15816v1","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15816","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_12","alias_value":"SECL3SMU2EVR","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_16","alias_value":"SECL3SMU2EVR2DLT","created_at":"2026-07-05T06:25:44Z"},{"alias_kind":"pith_short_8","alias_value":"SECL3SMU","created_at":"2026-07-05T06:25:44Z"}],"graph_snapshots":[{"event_id":"sha256:2d981ab5083987b15a269e34eadf03fa8acf9ca41e583c325774778b1037fcfb","target":"graph","created_at":"2026-07-05T06:25:44Z","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/2306.15816/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To halt further climate change, computing, along with the rest of society, must reduce, and eventually eliminate, its carbon emissions. Recently, many researchers have focused on estimating and optimizing computing's \\emph{embodied carbon}, i.e., from manufacturing computing infrastructure, in addition to its \\emph{operational carbon}, i.e., from executing computations, primarily because the former is much larger than the latter but has received less research attention. Focusing attention on embodied carbon is important because it can incentivize i) operators to increase their infrastructure's","authors_text":"David Irwin, Noman Bashir, Prashant Shenoy","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-06-27T22:20:50Z","title":"On the Promise and Pitfalls of Optimizing Embodied Carbon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15816","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:c3a90ae3084fc72f6fe917961f02a789e6c11c985c4b06a60ea2b9795c33549e","target":"record","created_at":"2026-07-05T06:25:44Z","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":"f78cd89010107a177c80955d189db4296927b7b51036d84fdfbc25ce3fcb9b11","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-06-27T22:20:50Z","title_canon_sha256":"6b7e633e4a247be4fbdbf2eb769072b2946795c8a0a05a2f18a8d958b293fe27"},"schema_version":"1.0","source":{"id":"2306.15816","kind":"arxiv","version":1}},"canonical_sha256":"9104bdc994d12b1d0d73b2ef3a6e6d55fb896fe55900732704891f81a367b100","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9104bdc994d12b1d0d73b2ef3a6e6d55fb896fe55900732704891f81a367b100","first_computed_at":"2026-07-05T06:25:44.719585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:25:44.719585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j3NyGQv9zNEihVdASo7RJUf9Cgdd3XKiv1F660FKURF8nJ7IogGP7cB5so66YrWNdOZcp/ECgoAdoHTtErhpDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:25:44.720064Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.15816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3a90ae3084fc72f6fe917961f02a789e6c11c985c4b06a60ea2b9795c33549e","sha256:2d981ab5083987b15a269e34eadf03fa8acf9ca41e583c325774778b1037fcfb"],"state_sha256":"1c365d20c6b3b7751c4a75a11c66445f9a0f4b216aafd41d30d4447bc24ba0fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQtVeb4c+4v1/G0uBaN4xL2fLKMVCtNwkrwoc3dka27ciNk4TWryX3B7lLqCxxtFwy2Tem/2KcP0mdkNU//GBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T18:28:50.527144Z","bundle_sha256":"fd4bdea9270c40e9b75944266da0bc8b5047e4f9471b499bdc8565a8b7680138"}}