{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:55SMNJYBKU5W3DVHB34D5AYKGP","short_pith_number":"pith:55SMNJYB","canonical_record":{"source":{"id":"1309.2188","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-06T08:01:46Z","cross_cats_sorted":[],"title_canon_sha256":"b28097c2673f1ec2bcec2981595bfd7ad8320f6160c26a9f331f0c2a1bb9b696","abstract_canon_sha256":"37b6a03479665a729c9c40279339ee91bd72da9fdd01f77ff3b9edb0517b1d6f"},"schema_version":"1.0"},"canonical_sha256":"ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5","source":{"kind":"arxiv","id":"1309.2188","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.2188","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"arxiv_version","alias_value":"1309.2188v1","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.2188","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"pith_short_12","alias_value":"55SMNJYBKU5W","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"55SMNJYBKU5W3DVH","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"55SMNJYB","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:55SMNJYBKU5W3DVHB34D5AYKGP","target":"record","payload":{"canonical_record":{"source":{"id":"1309.2188","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-06T08:01:46Z","cross_cats_sorted":[],"title_canon_sha256":"b28097c2673f1ec2bcec2981595bfd7ad8320f6160c26a9f331f0c2a1bb9b696","abstract_canon_sha256":"37b6a03479665a729c9c40279339ee91bd72da9fdd01f77ff3b9edb0517b1d6f"},"schema_version":"1.0"},"canonical_sha256":"ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:46.985385Z","signature_b64":"6T3A/Cr76+KxNNxw+LOYKjpQIQRBlLTFu0W4o0YfHhZ7vdTrPvwqwd8W+eCU/aa47+mfw5j8fyAfl4xgAw6bBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5","last_reissued_at":"2026-05-18T03:13:46.984590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:46.984590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.2188","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":"2026-05-18T03:13:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XnnM7fUD+FlNMDG63ssi/nkeiDgbDkMvrZK/dFR0LjOeiWuv4mkzfTcXrwh/LVLy0/job+NzplRM2guLk2G6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:17:52.993263Z"},"content_sha256":"a475c22796b8f50758156a30de09dbb35f2b7c393588399eb62327100ba07ec3","schema_version":"1.0","event_id":"sha256:a475c22796b8f50758156a30de09dbb35f2b7c393588399eb62327100ba07ec3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:55SMNJYBKU5W3DVHB34D5AYKGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"IR Spectrometer Project for the BTA Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"E. V. Emelianov, V. A. Murzin, V. F. Vdovin, V. L. Afanasiev","submitted_at":"2013-09-06T08:01:46Z","abstract_excerpt":"We introduce a project of new cooled infrared spectrometer-photometer for 6-m telescope BTA (Special Astrophysical Observatory of Russian Science Academy). The device would extend the wavelength range accessible for observations on the 6-m BTA telescope toward near infrared (0.8-2.5 um)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.2188","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":""},"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":"2026-05-18T03:13:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EAh5m2kVfLFprzeln9461e87U2e0GUu6kQn49zIgc4reV7b4Qn248QRdyIYNZxcKvdvTGmvJjTKansx2Tp+VDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:17:52.993648Z"},"content_sha256":"9d03bd8573b220f76180309a51f444e27e05f036f048e25920ba56e848bcfa50","schema_version":"1.0","event_id":"sha256:9d03bd8573b220f76180309a51f444e27e05f036f048e25920ba56e848bcfa50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP/bundle.json","state_url":"https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55SMNJYBKU5W3DVHB34D5AYKGP/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":"2026-05-27T01:17:52Z","links":{"resolver":"https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP","bundle":"https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP/bundle.json","state":"https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55SMNJYBKU5W3DVHB34D5AYKGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:55SMNJYBKU5W3DVHB34D5AYKGP","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":"37b6a03479665a729c9c40279339ee91bd72da9fdd01f77ff3b9edb0517b1d6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-06T08:01:46Z","title_canon_sha256":"b28097c2673f1ec2bcec2981595bfd7ad8320f6160c26a9f331f0c2a1bb9b696"},"schema_version":"1.0","source":{"id":"1309.2188","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.2188","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"arxiv_version","alias_value":"1309.2188v1","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.2188","created_at":"2026-05-18T03:13:46Z"},{"alias_kind":"pith_short_12","alias_value":"55SMNJYBKU5W","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"55SMNJYBKU5W3DVH","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"55SMNJYB","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:9d03bd8573b220f76180309a51f444e27e05f036f048e25920ba56e848bcfa50","target":"graph","created_at":"2026-05-18T03:13:46Z","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"},"paper":{"abstract_excerpt":"We introduce a project of new cooled infrared spectrometer-photometer for 6-m telescope BTA (Special Astrophysical Observatory of Russian Science Academy). The device would extend the wavelength range accessible for observations on the 6-m BTA telescope toward near infrared (0.8-2.5 um).","authors_text":"E. V. Emelianov, V. A. Murzin, V. F. Vdovin, V. L. Afanasiev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-06T08:01:46Z","title":"IR Spectrometer Project for the BTA Telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.2188","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:a475c22796b8f50758156a30de09dbb35f2b7c393588399eb62327100ba07ec3","target":"record","created_at":"2026-05-18T03:13:46Z","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":"37b6a03479665a729c9c40279339ee91bd72da9fdd01f77ff3b9edb0517b1d6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-06T08:01:46Z","title_canon_sha256":"b28097c2673f1ec2bcec2981595bfd7ad8320f6160c26a9f331f0c2a1bb9b696"},"schema_version":"1.0","source":{"id":"1309.2188","kind":"arxiv","version":1}},"canonical_sha256":"ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5","first_computed_at":"2026-05-18T03:13:46.984590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:46.984590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6T3A/Cr76+KxNNxw+LOYKjpQIQRBlLTFu0W4o0YfHhZ7vdTrPvwqwd8W+eCU/aa47+mfw5j8fyAfl4xgAw6bBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:46.985385Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.2188","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a475c22796b8f50758156a30de09dbb35f2b7c393588399eb62327100ba07ec3","sha256:9d03bd8573b220f76180309a51f444e27e05f036f048e25920ba56e848bcfa50"],"state_sha256":"1a06f131cd953422e2bf24cdccac134d852f9b59ed55a633a8f564ad9ee0dd88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PWdrLPqWKuElL6XL0oZAA/szvhsNV8qDvAHQtsZC2PW4JaiVYPfmXzYUS52DSxm+g1/635c1n2sWuPp4QdkjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:17:52.995814Z","bundle_sha256":"227421bd3069392a93e548718f2554f91a1bacb62cab21824a76696598fba564"}}