{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:GM5GQRRNL5SG76O4SIPSBCAXTY","short_pith_number":"pith:GM5GQRRN","canonical_record":{"source":{"id":"2407.08557","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-11T14:41:49Z","cross_cats_sorted":[],"title_canon_sha256":"9866750daacb2dde863d5c5b14f58c78ab40ba264a2e1e70f3f372e119c2ab00","abstract_canon_sha256":"34385d74d8f6697854625fdae4dbd7c1cd0b2b821c8f6fee64488cd43dfe16ee"},"schema_version":"1.0"},"canonical_sha256":"333a68462d5f646ff9dc921f2088179e24010cbc3ab195987dee9675252e8352","source":{"kind":"arxiv","id":"2407.08557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.08557","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"arxiv_version","alias_value":"2407.08557v1","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.08557","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_12","alias_value":"GM5GQRRNL5SG","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_16","alias_value":"GM5GQRRNL5SG76O4","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_8","alias_value":"GM5GQRRN","created_at":"2026-07-05T09:20:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:GM5GQRRNL5SG76O4SIPSBCAXTY","target":"record","payload":{"canonical_record":{"source":{"id":"2407.08557","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-11T14:41:49Z","cross_cats_sorted":[],"title_canon_sha256":"9866750daacb2dde863d5c5b14f58c78ab40ba264a2e1e70f3f372e119c2ab00","abstract_canon_sha256":"34385d74d8f6697854625fdae4dbd7c1cd0b2b821c8f6fee64488cd43dfe16ee"},"schema_version":"1.0"},"canonical_sha256":"333a68462d5f646ff9dc921f2088179e24010cbc3ab195987dee9675252e8352","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:20:00.966273Z","signature_b64":"ELMEw8CepeuaktO0vnBfLyovmtKaRdA9JB8QBhsu6NqyHdQmlZZkkL4xHeRh7u8dSufw/l11+y4JSs6Jpll8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"333a68462d5f646ff9dc921f2088179e24010cbc3ab195987dee9675252e8352","last_reissued_at":"2026-07-05T09:20:00.965769Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:20:00.965769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.08557","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":"2026-07-05T09:20:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bV+KGBvJN00kqCvMLILXWrYw6fKQd54bbFrDhFbrhRohb0ZR1Fehl+m+vyOtZ9MqU3yhVcdUwoqFIsdhuHq/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:37.679259Z"},"content_sha256":"3eccf291d30f3c063fdb5ef8fc80e1d77af6aa90dfe59cbeed630b4f3c82461e","schema_version":"1.0","event_id":"sha256:3eccf291d30f3c063fdb5ef8fc80e1d77af6aa90dfe59cbeed630b4f3c82461e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:GM5GQRRNL5SG76O4SIPSBCAXTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asgard/NOTT: First lab assembly and experimental results","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Bigioli, A. Mazzoli, A. P. Jo\\'o, A. Sanny, A. Taras, B. La Torre, B. Vandenbussche, D. Defr\\`ere, G. Garreau, G. Medgyesi, G. Raskin, J. Morren, K. Missiaen, L. Labadie, M-A. Martinod, M. Ireland, M. Salman, R. Laugier, S. Gross, S. Madden","submitted_at":"2024-07-11T14:41:49Z","abstract_excerpt":"Asgard/NOTT is an ERC-funded project hosted at KU Leuven and is part of a new visitor instrumental suite, called Asgard, under preparation for the Very Large Telescope Interferometer (VLTI). Leveraging nulling capabilities and the long VLTI baselines, it is optimized for high-contrast imaging of the snow line region around young nearby main-sequence stars. This will enable the characterization of the atmosphere of young giant exoplanets and warm/hot exozodiacal dust with spectroscopy in the L'-band (3.5-4.0$\\mu$m). In this work, we present the first lab assembly of the instrument done at KU Le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.08557","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/2407.08557/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":"2026-07-05T09:20:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OCUqv3ldvVx1VvwA+Eur7hOwdC3hSUgccDt0afJE7Xkx6sW6NiJG9SvO/BMlewR74eFV/5baK8AFWDxKRxB+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:12:37.679772Z"},"content_sha256":"8a01a1bb0e0d459fdc78177a80b6e998badecafe873a0371731bbd6600a63472","schema_version":"1.0","event_id":"sha256:8a01a1bb0e0d459fdc78177a80b6e998badecafe873a0371731bbd6600a63472"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/bundle.json","state_url":"https://pith.science/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/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":"2026-08-05T06:12:37Z","links":{"resolver":"https://pith.science/pith/GM5GQRRNL5SG76O4SIPSBCAXTY","bundle":"https://pith.science/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/bundle.json","state":"https://pith.science/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GM5GQRRNL5SG76O4SIPSBCAXTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:GM5GQRRNL5SG76O4SIPSBCAXTY","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":"34385d74d8f6697854625fdae4dbd7c1cd0b2b821c8f6fee64488cd43dfe16ee","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-11T14:41:49Z","title_canon_sha256":"9866750daacb2dde863d5c5b14f58c78ab40ba264a2e1e70f3f372e119c2ab00"},"schema_version":"1.0","source":{"id":"2407.08557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.08557","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"arxiv_version","alias_value":"2407.08557v1","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.08557","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_12","alias_value":"GM5GQRRNL5SG","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_16","alias_value":"GM5GQRRNL5SG76O4","created_at":"2026-07-05T09:20:00Z"},{"alias_kind":"pith_short_8","alias_value":"GM5GQRRN","created_at":"2026-07-05T09:20:00Z"}],"graph_snapshots":[{"event_id":"sha256:8a01a1bb0e0d459fdc78177a80b6e998badecafe873a0371731bbd6600a63472","target":"graph","created_at":"2026-07-05T09:20:00Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.08557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Asgard/NOTT is an ERC-funded project hosted at KU Leuven and is part of a new visitor instrumental suite, called Asgard, under preparation for the Very Large Telescope Interferometer (VLTI). Leveraging nulling capabilities and the long VLTI baselines, it is optimized for high-contrast imaging of the snow line region around young nearby main-sequence stars. This will enable the characterization of the atmosphere of young giant exoplanets and warm/hot exozodiacal dust with spectroscopy in the L'-band (3.5-4.0$\\mu$m). In this work, we present the first lab assembly of the instrument done at KU Le","authors_text":"A. Bigioli, A. Mazzoli, A. P. Jo\\'o, A. Sanny, A. Taras, B. La Torre, B. Vandenbussche, D. Defr\\`ere, G. Garreau, G. Medgyesi, G. Raskin, J. Morren, K. Missiaen, L. Labadie, M-A. Martinod, M. Ireland, M. Salman, R. Laugier, S. Gross, S. Madden","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-11T14:41:49Z","title":"Asgard/NOTT: First lab assembly and experimental results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.08557","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":"sha256:3eccf291d30f3c063fdb5ef8fc80e1d77af6aa90dfe59cbeed630b4f3c82461e","target":"record","created_at":"2026-07-05T09:20:00Z","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":"34385d74d8f6697854625fdae4dbd7c1cd0b2b821c8f6fee64488cd43dfe16ee","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-11T14:41:49Z","title_canon_sha256":"9866750daacb2dde863d5c5b14f58c78ab40ba264a2e1e70f3f372e119c2ab00"},"schema_version":"1.0","source":{"id":"2407.08557","kind":"arxiv","version":1}},"canonical_sha256":"333a68462d5f646ff9dc921f2088179e24010cbc3ab195987dee9675252e8352","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"333a68462d5f646ff9dc921f2088179e24010cbc3ab195987dee9675252e8352","first_computed_at":"2026-07-05T09:20:00.965769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:20:00.965769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ELMEw8CepeuaktO0vnBfLyovmtKaRdA9JB8QBhsu6NqyHdQmlZZkkL4xHeRh7u8dSufw/l11+y4JSs6Jpll8Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:20:00.966273Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.08557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3eccf291d30f3c063fdb5ef8fc80e1d77af6aa90dfe59cbeed630b4f3c82461e","sha256:8a01a1bb0e0d459fdc78177a80b6e998badecafe873a0371731bbd6600a63472"],"state_sha256":"255502b5385e7e1ab168d68fef5e8ffa188bd42054e6a8c40af3f2ebcb4940e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8sfmeRj5pdsQ34uwYzfDZ5oG6SRTfpk2k0G/VKnJEzyDGkVXBNCL2OqlW3VLAuQV+1Nh8W8gXPxlFKtDnzCSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:12:37.685192Z","bundle_sha256":"5c31c215a48f23233609e0cc55e9bab2e4902b6747bd8ddea98eb53e38764069"}}