{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BHI25VJVX7MNE2XCAXTWR6A3JY","short_pith_number":"pith:BHI25VJV","canonical_record":{"source":{"id":"2010.10425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-10-20T16:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"0f31423e01243851e0f186c309429da31ae44a5e07c70b9db2768e43de9310ff","abstract_canon_sha256":"c545d325c7a27d951d48d582af127295be96be4e36ffe12092fff10e129f0bfa"},"schema_version":"1.0"},"canonical_sha256":"09d1aed535bfd8d26ae205e768f81b4e3a2fbcac622a81f7815147d5172dfcd8","source":{"kind":"arxiv","id":"2010.10425","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.10425","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"arxiv_version","alias_value":"2010.10425v1","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.10425","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_12","alias_value":"BHI25VJVX7MN","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_16","alias_value":"BHI25VJVX7MNE2XC","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_8","alias_value":"BHI25VJV","created_at":"2026-07-05T01:44:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BHI25VJVX7MNE2XCAXTWR6A3JY","target":"record","payload":{"canonical_record":{"source":{"id":"2010.10425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-10-20T16:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"0f31423e01243851e0f186c309429da31ae44a5e07c70b9db2768e43de9310ff","abstract_canon_sha256":"c545d325c7a27d951d48d582af127295be96be4e36ffe12092fff10e129f0bfa"},"schema_version":"1.0"},"canonical_sha256":"09d1aed535bfd8d26ae205e768f81b4e3a2fbcac622a81f7815147d5172dfcd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:44:30.179308Z","signature_b64":"/uWHAztePqJDW3JprgScbktbT/7QgxiGtosagfiCUe6BZAKeXULVgajdeD2tx33OelQ5wMYKAUWiS1c0Ct2BBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09d1aed535bfd8d26ae205e768f81b4e3a2fbcac622a81f7815147d5172dfcd8","last_reissued_at":"2026-07-05T01:44:30.178835Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:44:30.178835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.10425","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":"2026-07-05T01:44:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0cXgU2UDin9KxbFw377gqE50/VklQvqRZfRgIb53NhODpPJS52TL/VOVaY+DZlQWUL4WXtNna/Nmvm+KDE7FBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T03:08:04.334732Z"},"content_sha256":"1be3b776eea14a5996df41ecb8390a8e9232e9b843dd150e544c99b773f9a75d","schema_version":"1.0","event_id":"sha256:1be3b776eea14a5996df41ecb8390a8e9232e9b843dd150e544c99b773f9a75d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BHI25VJVX7MNE2XCAXTWR6A3JY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assembly, Integration, and Verification Activities for a 2U CubeSat, EIRSAT-1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alexei Ulyanov, Andrew Gloster, Conor O'Toole, Daire Sherwin, Daith\\'i de Faoite, David McKeown, David Murphy, Favour Okosun, Gianluca Fontanesi, Jack Reilly, Jessica Erkal, Joe Flanagan, Joe Mangan, Joseph Thompson, Kenneth Stanton, L\\'ana Salmon, Lorraine Hanlon, Maeve Doyle, Masoud Emam, Paul Cahill, Rachel Dunwoody, Rakhi Rajagopalan Nair, Ronan Wall, Sarah Walsh, Sheila McBreen, Umair Javaid, William O'Connor","submitted_at":"2020-10-20T16:36:02Z","abstract_excerpt":"The Educational Irish Research Satellite, EIRSAT-1, is a project developed by students at University College Dublin that aims to design, build, and launch Ireland's first satellite. EIRSAT-1 is a 2U CubeSat incorporating three novel payloads; GMOD, a gamma-ray detector, EMOD, a thermal coating management experiment, and WBC, a novel attitude control algorithm. The EIRSAT-1 project is carried out with the support of the Education Office of the European Space Agency, under the educational Fly your Satellite! programme. The Assembly, Integration and Verification plan for EIRSAT-1 is central to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.10425","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/2010.10425/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":"2026-07-05T01:44:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"79NMT+K6F0BVkw3kIL3UDIVjzaeXr805bE7usFX2pacoyXunTbr7nzhiHXyWOrkTdhtW+3fV2kyEcRI+wfo6AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T03:08:04.335104Z"},"content_sha256":"a9d00f4128834df3e2c59b291211d32db240a322b2ab8945e2195d4e01288b01","schema_version":"1.0","event_id":"sha256:a9d00f4128834df3e2c59b291211d32db240a322b2ab8945e2195d4e01288b01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/bundle.json","state_url":"https://pith.science/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/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":"2026-08-20T03:08:04Z","links":{"resolver":"https://pith.science/pith/BHI25VJVX7MNE2XCAXTWR6A3JY","bundle":"https://pith.science/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/bundle.json","state":"https://pith.science/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BHI25VJVX7MNE2XCAXTWR6A3JY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BHI25VJVX7MNE2XCAXTWR6A3JY","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":"c545d325c7a27d951d48d582af127295be96be4e36ffe12092fff10e129f0bfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-10-20T16:36:02Z","title_canon_sha256":"0f31423e01243851e0f186c309429da31ae44a5e07c70b9db2768e43de9310ff"},"schema_version":"1.0","source":{"id":"2010.10425","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.10425","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"arxiv_version","alias_value":"2010.10425v1","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.10425","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_12","alias_value":"BHI25VJVX7MN","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_16","alias_value":"BHI25VJVX7MNE2XC","created_at":"2026-07-05T01:44:30Z"},{"alias_kind":"pith_short_8","alias_value":"BHI25VJV","created_at":"2026-07-05T01:44:30Z"}],"graph_snapshots":[{"event_id":"sha256:a9d00f4128834df3e2c59b291211d32db240a322b2ab8945e2195d4e01288b01","target":"graph","created_at":"2026-07-05T01:44:30Z","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/2010.10425/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Educational Irish Research Satellite, EIRSAT-1, is a project developed by students at University College Dublin that aims to design, build, and launch Ireland's first satellite. EIRSAT-1 is a 2U CubeSat incorporating three novel payloads; GMOD, a gamma-ray detector, EMOD, a thermal coating management experiment, and WBC, a novel attitude control algorithm. The EIRSAT-1 project is carried out with the support of the Education Office of the European Space Agency, under the educational Fly your Satellite! programme. The Assembly, Integration and Verification plan for EIRSAT-1 is central to th","authors_text":"Alexei Ulyanov, Andrew Gloster, Conor O'Toole, Daire Sherwin, Daith\\'i de Faoite, David McKeown, David Murphy, Favour Okosun, Gianluca Fontanesi, Jack Reilly, Jessica Erkal, Joe Flanagan, Joe Mangan, Joseph Thompson, Kenneth Stanton, L\\'ana Salmon, Lorraine Hanlon, Maeve Doyle, Masoud Emam, Paul Cahill, Rachel Dunwoody, Rakhi Rajagopalan Nair, Ronan Wall, Sarah Walsh, Sheila McBreen, Umair Javaid, William O'Connor","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-10-20T16:36:02Z","title":"Assembly, Integration, and Verification Activities for a 2U CubeSat, EIRSAT-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.10425","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":"sha256:1be3b776eea14a5996df41ecb8390a8e9232e9b843dd150e544c99b773f9a75d","target":"record","created_at":"2026-07-05T01:44:30Z","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":"c545d325c7a27d951d48d582af127295be96be4e36ffe12092fff10e129f0bfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-10-20T16:36:02Z","title_canon_sha256":"0f31423e01243851e0f186c309429da31ae44a5e07c70b9db2768e43de9310ff"},"schema_version":"1.0","source":{"id":"2010.10425","kind":"arxiv","version":1}},"canonical_sha256":"09d1aed535bfd8d26ae205e768f81b4e3a2fbcac622a81f7815147d5172dfcd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09d1aed535bfd8d26ae205e768f81b4e3a2fbcac622a81f7815147d5172dfcd8","first_computed_at":"2026-07-05T01:44:30.178835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:44:30.178835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/uWHAztePqJDW3JprgScbktbT/7QgxiGtosagfiCUe6BZAKeXULVgajdeD2tx33OelQ5wMYKAUWiS1c0Ct2BBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:44:30.179308Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.10425","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1be3b776eea14a5996df41ecb8390a8e9232e9b843dd150e544c99b773f9a75d","sha256:a9d00f4128834df3e2c59b291211d32db240a322b2ab8945e2195d4e01288b01"],"state_sha256":"03426ce62804270afe542af23b98384d6c9ed5a254910ba7cfc220a5ed4cc17e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1LhuJkIBj20+Gz07teLtkJBwkColSNAEeWyOc86ZczaT+VlR2p+aMaGM+XvDvq4DX9UQxsi/yun7seqsK2acBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T03:08:04.337509Z","bundle_sha256":"32474b1fa509717638893e7c781c2e575d04bf584b9680624b9e10f4d2d07afa"}}