{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YFYFNYXXRLT4XC4EQJKGRQ7MPL","short_pith_number":"pith:YFYFNYXX","canonical_record":{"source":{"id":"1506.02656","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-08T20:00:27Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3d0dff3a1708cc9888a850ce7ee30378796d7f9b9ecd2774cf4511dcb45fe17d","abstract_canon_sha256":"308de326876e7f88f8e0aee7fa9da4cd53ee874468307ddf443e322a41c41baf"},"schema_version":"1.0"},"canonical_sha256":"c17056e2f78ae7cb8b84825468c3ec7ac451996069a0b78056a006e5e3e3a04a","source":{"kind":"arxiv","id":"1506.02656","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02656","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02656v2","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02656","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"pith_short_12","alias_value":"YFYFNYXXRLT4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YFYFNYXXRLT4XC4E","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YFYFNYXX","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YFYFNYXXRLT4XC4EQJKGRQ7MPL","target":"record","payload":{"canonical_record":{"source":{"id":"1506.02656","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-08T20:00:27Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3d0dff3a1708cc9888a850ce7ee30378796d7f9b9ecd2774cf4511dcb45fe17d","abstract_canon_sha256":"308de326876e7f88f8e0aee7fa9da4cd53ee874468307ddf443e322a41c41baf"},"schema_version":"1.0"},"canonical_sha256":"c17056e2f78ae7cb8b84825468c3ec7ac451996069a0b78056a006e5e3e3a04a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:00.449413Z","signature_b64":"Ggej0bgsZJ0MrbKrlUfenEXQlklGMXUGnWW3ipFP1xpWXX4UWBD85Qst2G+gKUJeQuvq52BbGpbDL0inohLMBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c17056e2f78ae7cb8b84825468c3ec7ac451996069a0b78056a006e5e3e3a04a","last_reissued_at":"2026-05-18T01:19:00.448938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:00.448938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.02656","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:19:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CMoQWgfvU4iGKYmnZnax4qobQkpqOVi01n2chRPsKAoVz6vm2bns4uS32dafodcR9oydBg3592f6t/ZwjkNYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:40:06.033425Z"},"content_sha256":"5e0faa683a487435f58f154afa380a4be5e600b9c010c96a278ed7d79dccd05b","schema_version":"1.0","event_id":"sha256:5e0faa683a487435f58f154afa380a4be5e600b9c010c96a278ed7d79dccd05b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YFYFNYXXRLT4XC4EQJKGRQ7MPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic Calorimeter Shower Size: Challenges and Opportunities for Jet Substructure in the Superboosted Regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ph","authors_text":"Gilad Perez, Seung J. Lee, Shikma Bressler, Thomas Flacke, Yevgeny Kats","submitted_at":"2015-06-08T20:00:27Z","abstract_excerpt":"Hadrons have finite interaction size with dense material, a basic feature common to known forms of hadronic calorimeters (HCAL). We argue that substructure variables cannot use HCAL information to access the microscopic nature of jets much narrower than the hadronic shower size, which we call superboosted massive jets. It implies that roughly 15% of their transverse energy profile remains inaccessible due to the presence of long-lived neutral hadrons. This part of the jet substructure is also subject to order-one fluctuations. We demonstrate that the effects of the fluctuations are not reduced"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02656","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:19:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZvcfLXYQc15KvoNg8c3yKvdO0JI+FzaWHEEv3+XMN57WqM4B54YrkEdYPCpvA8K5GZtMlmYfANR6XEg2duAoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:40:06.034153Z"},"content_sha256":"99faf8a28975199da2000c1285347848def7378d8547ebca0f163cc7d126be5c","schema_version":"1.0","event_id":"sha256:99faf8a28975199da2000c1285347848def7378d8547ebca0f163cc7d126be5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/bundle.json","state_url":"https://pith.science/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/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":"2026-05-30T14:40:06Z","links":{"resolver":"https://pith.science/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL","bundle":"https://pith.science/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/bundle.json","state":"https://pith.science/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YFYFNYXXRLT4XC4EQJKGRQ7MPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YFYFNYXXRLT4XC4EQJKGRQ7MPL","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":"308de326876e7f88f8e0aee7fa9da4cd53ee874468307ddf443e322a41c41baf","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-08T20:00:27Z","title_canon_sha256":"3d0dff3a1708cc9888a850ce7ee30378796d7f9b9ecd2774cf4511dcb45fe17d"},"schema_version":"1.0","source":{"id":"1506.02656","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02656","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02656v2","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02656","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"pith_short_12","alias_value":"YFYFNYXXRLT4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YFYFNYXXRLT4XC4E","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YFYFNYXX","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:99faf8a28975199da2000c1285347848def7378d8547ebca0f163cc7d126be5c","target":"graph","created_at":"2026-05-18T01:19:00Z","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"},"paper":{"abstract_excerpt":"Hadrons have finite interaction size with dense material, a basic feature common to known forms of hadronic calorimeters (HCAL). We argue that substructure variables cannot use HCAL information to access the microscopic nature of jets much narrower than the hadronic shower size, which we call superboosted massive jets. It implies that roughly 15% of their transverse energy profile remains inaccessible due to the presence of long-lived neutral hadrons. This part of the jet substructure is also subject to order-one fluctuations. We demonstrate that the effects of the fluctuations are not reduced","authors_text":"Gilad Perez, Seung J. Lee, Shikma Bressler, Thomas Flacke, Yevgeny Kats","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-08T20:00:27Z","title":"Hadronic Calorimeter Shower Size: Challenges and Opportunities for Jet Substructure in the Superboosted Regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02656","kind":"arxiv","version":2},"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":"sha256:5e0faa683a487435f58f154afa380a4be5e600b9c010c96a278ed7d79dccd05b","target":"record","created_at":"2026-05-18T01:19:00Z","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":"308de326876e7f88f8e0aee7fa9da4cd53ee874468307ddf443e322a41c41baf","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-08T20:00:27Z","title_canon_sha256":"3d0dff3a1708cc9888a850ce7ee30378796d7f9b9ecd2774cf4511dcb45fe17d"},"schema_version":"1.0","source":{"id":"1506.02656","kind":"arxiv","version":2}},"canonical_sha256":"c17056e2f78ae7cb8b84825468c3ec7ac451996069a0b78056a006e5e3e3a04a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c17056e2f78ae7cb8b84825468c3ec7ac451996069a0b78056a006e5e3e3a04a","first_computed_at":"2026-05-18T01:19:00.448938Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:00.448938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ggej0bgsZJ0MrbKrlUfenEXQlklGMXUGnWW3ipFP1xpWXX4UWBD85Qst2G+gKUJeQuvq52BbGpbDL0inohLMBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:00.449413Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.02656","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e0faa683a487435f58f154afa380a4be5e600b9c010c96a278ed7d79dccd05b","sha256:99faf8a28975199da2000c1285347848def7378d8547ebca0f163cc7d126be5c"],"state_sha256":"09df9029075416bc257b107dedfd06e26143763db391b6f8b1def9e7d00db9f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0N4gQ9FiZ4aSBxwtnUOz7gQCU552rU2FC8KdEZBsm3LfLPWCueJ6UyaeGdupTU3nmUpzATqS+NEUGzTzBxdEAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:40:06.037928Z","bundle_sha256":"c88290930af20cb37e43ecd96545e6b5f97c4d4e5b0c846d6fed4f19f6140ec6"}}