{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:AMO53CYCFFKUATKYZ3RK35463J","short_pith_number":"pith:AMO53CYC","canonical_record":{"source":{"id":"2503.17283","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-03-21T16:30:22Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"title_canon_sha256":"eb794dda8ff9e3215aaa3ae8b506d31085f7e8fa9c2037f2ce6390be8415406d","abstract_canon_sha256":"e43337589b3432c365735f356c01449d8389763735cb3a3901babae26dc3d8f0"},"schema_version":"1.0"},"canonical_sha256":"031ddd8b022955404d58cee2adf79eda4eb61999450f352ea236ebca29ec695b","source":{"kind":"arxiv","id":"2503.17283","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17283","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17283v1","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17283","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_12","alias_value":"AMO53CYCFFKU","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_16","alias_value":"AMO53CYCFFKUATKY","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_8","alias_value":"AMO53CYC","created_at":"2026-07-05T11:10:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:AMO53CYCFFKUATKYZ3RK35463J","target":"record","payload":{"canonical_record":{"source":{"id":"2503.17283","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-03-21T16:30:22Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"title_canon_sha256":"eb794dda8ff9e3215aaa3ae8b506d31085f7e8fa9c2037f2ce6390be8415406d","abstract_canon_sha256":"e43337589b3432c365735f356c01449d8389763735cb3a3901babae26dc3d8f0"},"schema_version":"1.0"},"canonical_sha256":"031ddd8b022955404d58cee2adf79eda4eb61999450f352ea236ebca29ec695b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:10:06.737248Z","signature_b64":"iQ6rE5ISyI8/48T68ecuHwt0erbTNSNc01sKowk5GM4CIALeTPNvrMWoN+bnT86+mXJlPxD5RfoJz33r1ZCBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"031ddd8b022955404d58cee2adf79eda4eb61999450f352ea236ebca29ec695b","last_reissued_at":"2026-07-05T11:10:06.736734Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:10:06.736734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.17283","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":"2026-07-05T11:10:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYgMPRPy/6b9wz5u4gYG7XkTwhQpjD5FsIbIZjKP2TFezE6XDBlL6IEsRzDCmnDjH1N7Pt4qShGcCKXnivnABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:09:34.620685Z"},"content_sha256":"5275b819625d43492644c037e8bd5c342cd8c834c723e3c9d51a8a2e73931096","schema_version":"1.0","event_id":"sha256:5275b819625d43492644c037e8bd5c342cd8c834c723e3c9d51a8a2e73931096"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:AMO53CYCFFKUATKYZ3RK35463J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Efficiency trends in HPC: what high-energy and astrophysicists need to know","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"primary_cat":"cs.DC","authors_text":"Bartosz Kostrzewa, Estela Suarez, Jorge Amaya, Maria Girone, Martin Frank, Oliver Freyermuth, Susanne Pfalzner","submitted_at":"2025-03-21T16:30:22Z","abstract_excerpt":"The growing energy demands of HPC systems have made energy efficiency a critical concern for system developers and operators. However, HPC users are generally less aware of how these energy concerns influence the design, deployment, and operation of supercomputers even though they experience the consequences. This paper examines the implications of HPC's energy consumption, providing an overview of current trends aimed at improving energy efficiency. We describe how hardware innovations such as energy-efficient processors, novel system architectures, power management techniques, and advanced s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17283","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/2503.17283/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":"2026-07-05T11:10:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybArAoMIB7v+xAdV+P8gdDPUzvA7KALzAwikCjPDqqvSMTTWONEwBbQiUaTDJ5ELAxoLtlfCOioTguHjpMpCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:09:34.621067Z"},"content_sha256":"e2059ab548b077593b10c9d801217fc0273bc28e3e60d8260962fe09d9bb7e2c","schema_version":"1.0","event_id":"sha256:e2059ab548b077593b10c9d801217fc0273bc28e3e60d8260962fe09d9bb7e2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AMO53CYCFFKUATKYZ3RK35463J/bundle.json","state_url":"https://pith.science/pith/AMO53CYCFFKUATKYZ3RK35463J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AMO53CYCFFKUATKYZ3RK35463J/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":"2026-07-07T15:09:34Z","links":{"resolver":"https://pith.science/pith/AMO53CYCFFKUATKYZ3RK35463J","bundle":"https://pith.science/pith/AMO53CYCFFKUATKYZ3RK35463J/bundle.json","state":"https://pith.science/pith/AMO53CYCFFKUATKYZ3RK35463J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AMO53CYCFFKUATKYZ3RK35463J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AMO53CYCFFKUATKYZ3RK35463J","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":"e43337589b3432c365735f356c01449d8389763735cb3a3901babae26dc3d8f0","cross_cats_sorted":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-03-21T16:30:22Z","title_canon_sha256":"eb794dda8ff9e3215aaa3ae8b506d31085f7e8fa9c2037f2ce6390be8415406d"},"schema_version":"1.0","source":{"id":"2503.17283","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17283","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17283v1","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17283","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_12","alias_value":"AMO53CYCFFKU","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_16","alias_value":"AMO53CYCFFKUATKY","created_at":"2026-07-05T11:10:06Z"},{"alias_kind":"pith_short_8","alias_value":"AMO53CYC","created_at":"2026-07-05T11:10:06Z"}],"graph_snapshots":[{"event_id":"sha256:e2059ab548b077593b10c9d801217fc0273bc28e3e60d8260962fe09d9bb7e2c","target":"graph","created_at":"2026-07-05T11:10:06Z","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/2503.17283/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The growing energy demands of HPC systems have made energy efficiency a critical concern for system developers and operators. However, HPC users are generally less aware of how these energy concerns influence the design, deployment, and operation of supercomputers even though they experience the consequences. This paper examines the implications of HPC's energy consumption, providing an overview of current trends aimed at improving energy efficiency. We describe how hardware innovations such as energy-efficient processors, novel system architectures, power management techniques, and advanced s","authors_text":"Bartosz Kostrzewa, Estela Suarez, Jorge Amaya, Maria Girone, Martin Frank, Oliver Freyermuth, Susanne Pfalzner","cross_cats":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-03-21T16:30:22Z","title":"Energy Efficiency trends in HPC: what high-energy and astrophysicists need to know"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17283","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":"sha256:5275b819625d43492644c037e8bd5c342cd8c834c723e3c9d51a8a2e73931096","target":"record","created_at":"2026-07-05T11:10:06Z","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":"e43337589b3432c365735f356c01449d8389763735cb3a3901babae26dc3d8f0","cross_cats_sorted":["astro-ph.CO","astro-ph.SR","hep-ex","hep-lat","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-03-21T16:30:22Z","title_canon_sha256":"eb794dda8ff9e3215aaa3ae8b506d31085f7e8fa9c2037f2ce6390be8415406d"},"schema_version":"1.0","source":{"id":"2503.17283","kind":"arxiv","version":1}},"canonical_sha256":"031ddd8b022955404d58cee2adf79eda4eb61999450f352ea236ebca29ec695b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"031ddd8b022955404d58cee2adf79eda4eb61999450f352ea236ebca29ec695b","first_computed_at":"2026-07-05T11:10:06.736734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:10:06.736734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iQ6rE5ISyI8/48T68ecuHwt0erbTNSNc01sKowk5GM4CIALeTPNvrMWoN+bnT86+mXJlPxD5RfoJz33r1ZCBCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:10:06.737248Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.17283","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5275b819625d43492644c037e8bd5c342cd8c834c723e3c9d51a8a2e73931096","sha256:e2059ab548b077593b10c9d801217fc0273bc28e3e60d8260962fe09d9bb7e2c"],"state_sha256":"f6d28743525c101867e214b297c69050c495b4a9c27a161018c9196983e6e7d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pL99P4Pw2ISAbtXPveFTkh6ozpgOpc1rBtnZ8WclVrEbgZPgzdvorOA5NgRWvPg8c+fP09tcTX3GgEJIBmjMDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:09:34.623114Z","bundle_sha256":"14fdaa35dfa4f62b995d30f734a285c201855faf14ef579cb26eab9a47512216"}}