{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YXYGRV2Q377UCANMY67M4VZK5Z","short_pith_number":"pith:YXYGRV2Q","canonical_record":{"source":{"id":"2310.19864","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-30T18:00:00Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"9ad905035ef842ae14a1d5ae812145a31c7bc558b6b6d845aabcea38ed3ef385","abstract_canon_sha256":"c1302e685e6e857bcc38d7aa0b06c965601621e4a2ce4ea143bf0f87d90e4ea0"},"schema_version":"1.0"},"canonical_sha256":"c5f068d750dfff4101acc7bece572aee5c04a3eeb7707f6e8f1d0cde9678f681","source":{"kind":"arxiv","id":"2310.19864","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.19864","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"arxiv_version","alias_value":"2310.19864v1","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.19864","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_12","alias_value":"YXYGRV2Q377U","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_16","alias_value":"YXYGRV2Q377UCANM","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_8","alias_value":"YXYGRV2Q","created_at":"2026-07-05T07:07:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YXYGRV2Q377UCANMY67M4VZK5Z","target":"record","payload":{"canonical_record":{"source":{"id":"2310.19864","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-30T18:00:00Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"9ad905035ef842ae14a1d5ae812145a31c7bc558b6b6d845aabcea38ed3ef385","abstract_canon_sha256":"c1302e685e6e857bcc38d7aa0b06c965601621e4a2ce4ea143bf0f87d90e4ea0"},"schema_version":"1.0"},"canonical_sha256":"c5f068d750dfff4101acc7bece572aee5c04a3eeb7707f6e8f1d0cde9678f681","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:07:20.748537Z","signature_b64":"fIlj3iwLDy2NPiMj1mSn9J6pGZDgeUcP1C8/3rgF/y2eYErh5QX96HqUPmbCUmIZSqgtxAO1OEBad2rn9S7wDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5f068d750dfff4101acc7bece572aee5c04a3eeb7707f6e8f1d0cde9678f681","last_reissued_at":"2026-07-05T07:07:20.747982Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:07:20.747982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.19864","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":"2026-07-05T07:07:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SfPLa823ZrG76kXMX5dl/xloQdVM7Fe2t8ED07tRYU8wQl1VjV3wQeOplHQp2ZySGspK6LkZ5cBMzhZOI/G2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:15:33.183468Z"},"content_sha256":"e16d032763a28a8ab41a0f4d6a8d93573599b30875369ed94cb17324d4faca1d","schema_version":"1.0","event_id":"sha256:e16d032763a28a8ab41a0f4d6a8d93573599b30875369ed94cb17324d4faca1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YXYGRV2Q377UCANMY67M4VZK5Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The DECam Ecliptic Exploration Project (DEEP) II. Observational Strategy and Design","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"Andrew McNeill, Andrew S. Rivkin, Cesar Fuentes, Chadwick A. Trujillo, Colin Orion Chandler, Darin Ragozzine, David E. Trilling, David W. Gerdes, Fred C. Adams, Hayden Smotherman, Hilke Schlichting, Hsing Wen Lin, Kevin J. Napier, Larissa Markwardt, Mario Juric, Matthew J. Holman, Matthew J. Payne, Michael Mommert, Pedro H. Bernardinelli, Ryder Strauss, Scott S. Sheppard, William J. Oldroyd","submitted_at":"2023-10-30T18:00:00Z","abstract_excerpt":"We present the DECam Ecliptic Exploration Project (DEEP) survey strategy including observing cadence for orbit determination, exposure times, field pointings and filter choices. The overall goal of the survey is to discover and characterize the orbits of a few thousand Trans-Neptunian Objects (TNOs) using the Dark Energy Camera (DECam) on the Cerro Tololo Inter-American Observatory (CTIO) Blanco 4 meter telescope. The experiment is designed to collect a very deep series of exposures totaling a few hours on sky for each of several 2.7 square degree DECam fields-of-view to achieve a magnitude of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.19864","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/2310.19864/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":"2026-07-05T07:07:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BHR774unHJrMeXNcCxy15zqCTMzZsx5RExt6j42n2v25y+MF3Fipk6GvlGcvrtlTW09hyxoXdPGTJVlrMtZLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:15:33.184359Z"},"content_sha256":"598463591e4a2c6fa9834cd58da66ec08961827331f71b809321bbd2e9179976","schema_version":"1.0","event_id":"sha256:598463591e4a2c6fa9834cd58da66ec08961827331f71b809321bbd2e9179976"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YXYGRV2Q377UCANMY67M4VZK5Z/bundle.json","state_url":"https://pith.science/pith/YXYGRV2Q377UCANMY67M4VZK5Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YXYGRV2Q377UCANMY67M4VZK5Z/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":"2026-08-05T09:15:33Z","links":{"resolver":"https://pith.science/pith/YXYGRV2Q377UCANMY67M4VZK5Z","bundle":"https://pith.science/pith/YXYGRV2Q377UCANMY67M4VZK5Z/bundle.json","state":"https://pith.science/pith/YXYGRV2Q377UCANMY67M4VZK5Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YXYGRV2Q377UCANMY67M4VZK5Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YXYGRV2Q377UCANMY67M4VZK5Z","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":"c1302e685e6e857bcc38d7aa0b06c965601621e4a2ce4ea143bf0f87d90e4ea0","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-30T18:00:00Z","title_canon_sha256":"9ad905035ef842ae14a1d5ae812145a31c7bc558b6b6d845aabcea38ed3ef385"},"schema_version":"1.0","source":{"id":"2310.19864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.19864","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"arxiv_version","alias_value":"2310.19864v1","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.19864","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_12","alias_value":"YXYGRV2Q377U","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_16","alias_value":"YXYGRV2Q377UCANM","created_at":"2026-07-05T07:07:20Z"},{"alias_kind":"pith_short_8","alias_value":"YXYGRV2Q","created_at":"2026-07-05T07:07:20Z"}],"graph_snapshots":[{"event_id":"sha256:598463591e4a2c6fa9834cd58da66ec08961827331f71b809321bbd2e9179976","target":"graph","created_at":"2026-07-05T07:07:20Z","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/2310.19864/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the DECam Ecliptic Exploration Project (DEEP) survey strategy including observing cadence for orbit determination, exposure times, field pointings and filter choices. The overall goal of the survey is to discover and characterize the orbits of a few thousand Trans-Neptunian Objects (TNOs) using the Dark Energy Camera (DECam) on the Cerro Tololo Inter-American Observatory (CTIO) Blanco 4 meter telescope. The experiment is designed to collect a very deep series of exposures totaling a few hours on sky for each of several 2.7 square degree DECam fields-of-view to achieve a magnitude of","authors_text":"Andrew McNeill, Andrew S. Rivkin, Cesar Fuentes, Chadwick A. Trujillo, Colin Orion Chandler, Darin Ragozzine, David E. Trilling, David W. Gerdes, Fred C. Adams, Hayden Smotherman, Hilke Schlichting, Hsing Wen Lin, Kevin J. Napier, Larissa Markwardt, Mario Juric, Matthew J. Holman, Matthew J. Payne, Michael Mommert, Pedro H. Bernardinelli, Ryder Strauss, Scott S. Sheppard, William J. Oldroyd","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-30T18:00:00Z","title":"The DECam Ecliptic Exploration Project (DEEP) II. Observational Strategy and Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.19864","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:e16d032763a28a8ab41a0f4d6a8d93573599b30875369ed94cb17324d4faca1d","target":"record","created_at":"2026-07-05T07:07:20Z","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":"c1302e685e6e857bcc38d7aa0b06c965601621e4a2ce4ea143bf0f87d90e4ea0","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-10-30T18:00:00Z","title_canon_sha256":"9ad905035ef842ae14a1d5ae812145a31c7bc558b6b6d845aabcea38ed3ef385"},"schema_version":"1.0","source":{"id":"2310.19864","kind":"arxiv","version":1}},"canonical_sha256":"c5f068d750dfff4101acc7bece572aee5c04a3eeb7707f6e8f1d0cde9678f681","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5f068d750dfff4101acc7bece572aee5c04a3eeb7707f6e8f1d0cde9678f681","first_computed_at":"2026-07-05T07:07:20.747982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:07:20.747982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fIlj3iwLDy2NPiMj1mSn9J6pGZDgeUcP1C8/3rgF/y2eYErh5QX96HqUPmbCUmIZSqgtxAO1OEBad2rn9S7wDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:07:20.748537Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.19864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e16d032763a28a8ab41a0f4d6a8d93573599b30875369ed94cb17324d4faca1d","sha256:598463591e4a2c6fa9834cd58da66ec08961827331f71b809321bbd2e9179976"],"state_sha256":"e56b29811e126c81a27f91b59a6cecdf929a9a2e989c395c1a3baded19aa8ece"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ii1l9EGIvlsxsRYpCFsaI9PB/4/aj/Nbz4dFei46xssToHDftqYwCkJe8bIHGc/Xay6hnYvoVd/+J25/PH8Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:15:33.190242Z","bundle_sha256":"17274e80e1142cc669a306b72d613af56210621a6a9b738968f49132524be59b"}}