{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:5SIZVDLZX6JLML74R7PMFRLWOV","short_pith_number":"pith:5SIZVDLZ","canonical_record":{"source":{"id":"2410.16510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-10-21T21:01:43Z","cross_cats_sorted":[],"title_canon_sha256":"7ecbb11b2b67bbb502b415aae5de486db9788607294d1e4d0157133b6e20db3b","abstract_canon_sha256":"7e60ee174ece08d2f153f95f9ba5b9173c727df672718a44071b1f30d6b714e6"},"schema_version":"1.0"},"canonical_sha256":"ec919a8d79bf92b62ffc8fdec2c57675532f7a79256007f2218ad70cf5512090","source":{"kind":"arxiv","id":"2410.16510","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.16510","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"arxiv_version","alias_value":"2410.16510v2","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.16510","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_12","alias_value":"5SIZVDLZX6JL","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_16","alias_value":"5SIZVDLZX6JLML74","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_8","alias_value":"5SIZVDLZ","created_at":"2026-07-05T10:44:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:5SIZVDLZX6JLML74R7PMFRLWOV","target":"record","payload":{"canonical_record":{"source":{"id":"2410.16510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-10-21T21:01:43Z","cross_cats_sorted":[],"title_canon_sha256":"7ecbb11b2b67bbb502b415aae5de486db9788607294d1e4d0157133b6e20db3b","abstract_canon_sha256":"7e60ee174ece08d2f153f95f9ba5b9173c727df672718a44071b1f30d6b714e6"},"schema_version":"1.0"},"canonical_sha256":"ec919a8d79bf92b62ffc8fdec2c57675532f7a79256007f2218ad70cf5512090","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:18.941468Z","signature_b64":"a+D1ssbyyT96Wb83X0as916JweZ2XRoWOYfSMNuohHIhZtxNzKmRJmmwB4sE0gxpWHz+JEjQqD+5AoK3gvGADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec919a8d79bf92b62ffc8fdec2c57675532f7a79256007f2218ad70cf5512090","last_reissued_at":"2026-07-05T10:44:18.940947Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:18.940947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.16510","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":"2026-07-05T10:44:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5xs80xy2vuszW6sozFBmQHaewoXaTCCYHvPbS7acfp6Tvr694MTjL6TaDsfnpLYV5ZF8WOWZhr5FyuIT8vGIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:56:22.199361Z"},"content_sha256":"11cd8fa7b1819a66e398665219f1c34644ca075383a8620c67bcd25ee4b670fa","schema_version":"1.0","event_id":"sha256:11cd8fa7b1819a66e398665219f1c34644ca075383a8620c67bcd25ee4b670fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:5SIZVDLZX6JLML74R7PMFRLWOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low Energy Backgrounds and Excess Noise in a Two-Channel Low-Threshold Calorimeter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Bernard Sadoulet, Bjoern Penning, Bruno Serfass, Burkhant Suerfu, Caleb W. Fink, Clarence L. Chang, Daniel N. McKinsey, David Z. Osterman, Gensheng Wang, Ivar Rydstrom, Junsong Lin, Luke Chaplinsky, Maggie Reed, Marharyta Lisovenko, Mark Platt, Matt Pyle, Maurice Garcia-Sciveres, Michael R. Williams, Peter Sorensen, Pratyush K. Patel, Robin Anthony-Petersen, Roger K. Romani, Rupak Mahapatra, Samuel L. Watkins, Scott A. Hertel, Vetri Velan, Wei Guo, William Matava, Xinran Li, Yen-Yung Chang, Yinghe Qi, Yue Wang","submitted_at":"2024-10-21T21:01:43Z","abstract_excerpt":"We describe observations of low energy excess (LEE) events, background events observed in all light dark matter direct detection calorimeters, and noise in a Transition Edge Sensor based two-channel silicon athermal phonon detector with 375 meV baseline energy resolution. We measure two distinct LEE populations: ``shared'' multichannel events with a pulse shape consistent with substrate athermal phonon events, and sub-eV events that couple nearly exclusively to a single channel with a significantly faster pulse shape. These ``singles'' are consistent with events occurring within the aluminum a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.16510","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.16510/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":"2026-07-05T10:44:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D4/gvE6KuEUg8mvae7Ua8GJo2RlzI+8K1r0MLX1OLKs6WoKydEOmWzyJKZ2E/MtLrJIsBHNmkSoXvNaGPHIODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:56:22.199740Z"},"content_sha256":"40fc32e80431a946a71a84e86ff45000be36957e83498ba39d0dbcee72105d12","schema_version":"1.0","event_id":"sha256:40fc32e80431a946a71a84e86ff45000be36957e83498ba39d0dbcee72105d12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5SIZVDLZX6JLML74R7PMFRLWOV/bundle.json","state_url":"https://pith.science/pith/5SIZVDLZX6JLML74R7PMFRLWOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5SIZVDLZX6JLML74R7PMFRLWOV/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":"2026-07-14T21:56:22Z","links":{"resolver":"https://pith.science/pith/5SIZVDLZX6JLML74R7PMFRLWOV","bundle":"https://pith.science/pith/5SIZVDLZX6JLML74R7PMFRLWOV/bundle.json","state":"https://pith.science/pith/5SIZVDLZX6JLML74R7PMFRLWOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5SIZVDLZX6JLML74R7PMFRLWOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5SIZVDLZX6JLML74R7PMFRLWOV","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":"7e60ee174ece08d2f153f95f9ba5b9173c727df672718a44071b1f30d6b714e6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-10-21T21:01:43Z","title_canon_sha256":"7ecbb11b2b67bbb502b415aae5de486db9788607294d1e4d0157133b6e20db3b"},"schema_version":"1.0","source":{"id":"2410.16510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.16510","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"arxiv_version","alias_value":"2410.16510v2","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.16510","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_12","alias_value":"5SIZVDLZX6JL","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_16","alias_value":"5SIZVDLZX6JLML74","created_at":"2026-07-05T10:44:18Z"},{"alias_kind":"pith_short_8","alias_value":"5SIZVDLZ","created_at":"2026-07-05T10:44:18Z"}],"graph_snapshots":[{"event_id":"sha256:40fc32e80431a946a71a84e86ff45000be36957e83498ba39d0dbcee72105d12","target":"graph","created_at":"2026-07-05T10:44:18Z","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/2410.16510/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe observations of low energy excess (LEE) events, background events observed in all light dark matter direct detection calorimeters, and noise in a Transition Edge Sensor based two-channel silicon athermal phonon detector with 375 meV baseline energy resolution. We measure two distinct LEE populations: ``shared'' multichannel events with a pulse shape consistent with substrate athermal phonon events, and sub-eV events that couple nearly exclusively to a single channel with a significantly faster pulse shape. These ``singles'' are consistent with events occurring within the aluminum a","authors_text":"Bernard Sadoulet, Bjoern Penning, Bruno Serfass, Burkhant Suerfu, Caleb W. Fink, Clarence L. Chang, Daniel N. McKinsey, David Z. Osterman, Gensheng Wang, Ivar Rydstrom, Junsong Lin, Luke Chaplinsky, Maggie Reed, Marharyta Lisovenko, Mark Platt, Matt Pyle, Maurice Garcia-Sciveres, Michael R. Williams, Peter Sorensen, Pratyush K. Patel, Robin Anthony-Petersen, Roger K. Romani, Rupak Mahapatra, Samuel L. Watkins, Scott A. Hertel, Vetri Velan, Wei Guo, William Matava, Xinran Li, Yen-Yung Chang, Yinghe Qi, Yue Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-10-21T21:01:43Z","title":"Low Energy Backgrounds and Excess Noise in a Two-Channel Low-Threshold Calorimeter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.16510","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":"sha256:11cd8fa7b1819a66e398665219f1c34644ca075383a8620c67bcd25ee4b670fa","target":"record","created_at":"2026-07-05T10:44:18Z","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":"7e60ee174ece08d2f153f95f9ba5b9173c727df672718a44071b1f30d6b714e6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2024-10-21T21:01:43Z","title_canon_sha256":"7ecbb11b2b67bbb502b415aae5de486db9788607294d1e4d0157133b6e20db3b"},"schema_version":"1.0","source":{"id":"2410.16510","kind":"arxiv","version":2}},"canonical_sha256":"ec919a8d79bf92b62ffc8fdec2c57675532f7a79256007f2218ad70cf5512090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec919a8d79bf92b62ffc8fdec2c57675532f7a79256007f2218ad70cf5512090","first_computed_at":"2026-07-05T10:44:18.940947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:18.940947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a+D1ssbyyT96Wb83X0as916JweZ2XRoWOYfSMNuohHIhZtxNzKmRJmmwB4sE0gxpWHz+JEjQqD+5AoK3gvGADw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:18.941468Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.16510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11cd8fa7b1819a66e398665219f1c34644ca075383a8620c67bcd25ee4b670fa","sha256:40fc32e80431a946a71a84e86ff45000be36957e83498ba39d0dbcee72105d12"],"state_sha256":"3120e18ce869d8958ea3406528a48e7a452e6053eb46ff8776810f6cfe52108e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PSbSq+1Pb+KGD6PEBmNTvmsTxvh1PUOaJ+cVDwt0Oq94O6994967/PufGppi4VGRLl2KkjPOA8GnD1/bFXkAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T21:56:22.201958Z","bundle_sha256":"0b5eee2e71037b09b13eef1786f4dad661e633d1036f7284c1990492b31bc49d"}}