{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NYB3IVWIVL5FD3QGBODNUREK4U","short_pith_number":"pith:NYB3IVWI","canonical_record":{"source":{"id":"2407.18737","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-26T13:46:02Z","cross_cats_sorted":[],"title_canon_sha256":"ffb81b31de7565baca334e8fea54a1bd5a027044abe0b3576a48e73bc9e46779","abstract_canon_sha256":"dc81b4cca35773ba0ad7d45a5465cff38088bd66f3c7f8a394ab8816dadba96f"},"schema_version":"1.0"},"canonical_sha256":"6e03b456c8aafa51ee060b86da448ae53215a435eb9b2a491fbc4e26ea9840d6","source":{"kind":"arxiv","id":"2407.18737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.18737","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"arxiv_version","alias_value":"2407.18737v1","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.18737","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_12","alias_value":"NYB3IVWIVL5F","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_16","alias_value":"NYB3IVWIVL5FD3QG","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_8","alias_value":"NYB3IVWI","created_at":"2026-07-05T08:48:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NYB3IVWIVL5FD3QGBODNUREK4U","target":"record","payload":{"canonical_record":{"source":{"id":"2407.18737","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-26T13:46:02Z","cross_cats_sorted":[],"title_canon_sha256":"ffb81b31de7565baca334e8fea54a1bd5a027044abe0b3576a48e73bc9e46779","abstract_canon_sha256":"dc81b4cca35773ba0ad7d45a5465cff38088bd66f3c7f8a394ab8816dadba96f"},"schema_version":"1.0"},"canonical_sha256":"6e03b456c8aafa51ee060b86da448ae53215a435eb9b2a491fbc4e26ea9840d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:48:54.211876Z","signature_b64":"RuWBMDBDIyrvV2Za8JwfLL3OdBA+VjKEE8uFFDR9bNQoQa9BSxBdJZyBIqnciue1RabsS7hQ0oMV8sOmi4pgAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e03b456c8aafa51ee060b86da448ae53215a435eb9b2a491fbc4e26ea9840d6","last_reissued_at":"2026-07-05T08:48:54.211473Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:48:54.211473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.18737","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":"2026-07-05T08:48:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WvFTV39L36blq0nwBRbM+7wRnPEpjYKmBWbW2Sj3r+3j44JSlKqO5JTTUTmzjygGnB3OTPAMYfRA8W2eyssBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:21:32.256116Z"},"content_sha256":"ee2ae3732fda776b0c80219272f8a4bf76a02b6f60d6aedc40d98a1808dc1606","schema_version":"1.0","event_id":"sha256:ee2ae3732fda776b0c80219272f8a4bf76a02b6f60d6aedc40d98a1808dc1606"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NYB3IVWIVL5FD3QGBODNUREK4U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Double-Sided Silicon Strip Detector Tracker onboard the ComPair Balloon Flight","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Adam J. Schoenwald, Anna Zajczyk, Carolyn Kierans, Iker Liceaga-Indart, Jeremy S. Perkins, Lucas Parker, Nicholas Kirschner, Regina Caputo, Sambid Wasti, Sean Griffin","submitted_at":"2024-07-26T13:46:02Z","abstract_excerpt":"The ComPair balloon instrument is a prototype of the All-sky Medium Energy Gamma-ray Observatory (AMEGO) mission concept. AMEGO aims to bridge the spectral gap in sensitivity that currently exists from $\\sim$100 keV to $\\sim$100 MeV by being sensitive to both Compton and pair-production events. This is made possible through the use of four subsystems working together to reconstruct events: a double-sided silicon strip detector (DSSD) Tracker, a virtual Frisch grid cadmium zinc telluride (CZT) Low Energy Calorimeter, a ceasium iodide (CsI) High Energy Calorimeter, and an anti-coincidence detect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.18737","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/2407.18737/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":"2026-07-05T08:48:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGzxewDrnc7gMQz4wR0ym+GMrwXe6YUFsJZos5znk8KOuFhkY9HiFLL2wBELs081Lh/jflCsEXLhsTS+SuZGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:21:32.256623Z"},"content_sha256":"eba2fa5b89ce170a919bebda95d92583686ef721bdd7cce9494663685264bbb7","schema_version":"1.0","event_id":"sha256:eba2fa5b89ce170a919bebda95d92583686ef721bdd7cce9494663685264bbb7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NYB3IVWIVL5FD3QGBODNUREK4U/bundle.json","state_url":"https://pith.science/pith/NYB3IVWIVL5FD3QGBODNUREK4U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NYB3IVWIVL5FD3QGBODNUREK4U/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":"2026-08-09T21:21:32Z","links":{"resolver":"https://pith.science/pith/NYB3IVWIVL5FD3QGBODNUREK4U","bundle":"https://pith.science/pith/NYB3IVWIVL5FD3QGBODNUREK4U/bundle.json","state":"https://pith.science/pith/NYB3IVWIVL5FD3QGBODNUREK4U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NYB3IVWIVL5FD3QGBODNUREK4U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NYB3IVWIVL5FD3QGBODNUREK4U","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":"dc81b4cca35773ba0ad7d45a5465cff38088bd66f3c7f8a394ab8816dadba96f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-26T13:46:02Z","title_canon_sha256":"ffb81b31de7565baca334e8fea54a1bd5a027044abe0b3576a48e73bc9e46779"},"schema_version":"1.0","source":{"id":"2407.18737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.18737","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"arxiv_version","alias_value":"2407.18737v1","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.18737","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_12","alias_value":"NYB3IVWIVL5F","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_16","alias_value":"NYB3IVWIVL5FD3QG","created_at":"2026-07-05T08:48:54Z"},{"alias_kind":"pith_short_8","alias_value":"NYB3IVWI","created_at":"2026-07-05T08:48:54Z"}],"graph_snapshots":[{"event_id":"sha256:eba2fa5b89ce170a919bebda95d92583686ef721bdd7cce9494663685264bbb7","target":"graph","created_at":"2026-07-05T08:48:54Z","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/2407.18737/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ComPair balloon instrument is a prototype of the All-sky Medium Energy Gamma-ray Observatory (AMEGO) mission concept. AMEGO aims to bridge the spectral gap in sensitivity that currently exists from $\\sim$100 keV to $\\sim$100 MeV by being sensitive to both Compton and pair-production events. This is made possible through the use of four subsystems working together to reconstruct events: a double-sided silicon strip detector (DSSD) Tracker, a virtual Frisch grid cadmium zinc telluride (CZT) Low Energy Calorimeter, a ceasium iodide (CsI) High Energy Calorimeter, and an anti-coincidence detect","authors_text":"Adam J. Schoenwald, Anna Zajczyk, Carolyn Kierans, Iker Liceaga-Indart, Jeremy S. Perkins, Lucas Parker, Nicholas Kirschner, Regina Caputo, Sambid Wasti, Sean Griffin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-26T13:46:02Z","title":"The Double-Sided Silicon Strip Detector Tracker onboard the ComPair Balloon Flight"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.18737","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:ee2ae3732fda776b0c80219272f8a4bf76a02b6f60d6aedc40d98a1808dc1606","target":"record","created_at":"2026-07-05T08:48:54Z","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":"dc81b4cca35773ba0ad7d45a5465cff38088bd66f3c7f8a394ab8816dadba96f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-26T13:46:02Z","title_canon_sha256":"ffb81b31de7565baca334e8fea54a1bd5a027044abe0b3576a48e73bc9e46779"},"schema_version":"1.0","source":{"id":"2407.18737","kind":"arxiv","version":1}},"canonical_sha256":"6e03b456c8aafa51ee060b86da448ae53215a435eb9b2a491fbc4e26ea9840d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e03b456c8aafa51ee060b86da448ae53215a435eb9b2a491fbc4e26ea9840d6","first_computed_at":"2026-07-05T08:48:54.211473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:48:54.211473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RuWBMDBDIyrvV2Za8JwfLL3OdBA+VjKEE8uFFDR9bNQoQa9BSxBdJZyBIqnciue1RabsS7hQ0oMV8sOmi4pgAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:48:54.211876Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.18737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee2ae3732fda776b0c80219272f8a4bf76a02b6f60d6aedc40d98a1808dc1606","sha256:eba2fa5b89ce170a919bebda95d92583686ef721bdd7cce9494663685264bbb7"],"state_sha256":"e8a2d3884ae7d4db8b25d3df2178ca84fb16ae2ec391269b9bd9423f22c99ec8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ph48PFabP6gt4K1pWg1nO+5+mmPV5la4ez2RVcgz06OAb+FVVEI+JClSLqC7AwSRwp0Zl0afulh8KbY23NBOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T21:21:32.260552Z","bundle_sha256":"c6d72016a350c4cdd13975fce8d2f584ecdc2c17c26b2b31dc7cad43b5fc036b"}}