{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4KOLVQUF6L2IKPJ5RUP3KBUGXW","short_pith_number":"pith:4KOLVQUF","canonical_record":{"source":{"id":"1709.08307","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-25T03:53:29Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"e5e16e80de3fe8a383306a235b718142552eb1eafe3925255ca0d5b64604e9b1","abstract_canon_sha256":"8f2b7f478277651ec0f6e33203e238baf84c28ed080e032c09d9c6de75fdb85a"},"schema_version":"1.0"},"canonical_sha256":"e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b","source":{"kind":"arxiv","id":"1709.08307","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.08307","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"1709.08307v1","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08307","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"4KOLVQUF6L2I","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4KOLVQUF6L2IKPJ5","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4KOLVQUF","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4KOLVQUF6L2IKPJ5RUP3KBUGXW","target":"record","payload":{"canonical_record":{"source":{"id":"1709.08307","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-25T03:53:29Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"e5e16e80de3fe8a383306a235b718142552eb1eafe3925255ca0d5b64604e9b1","abstract_canon_sha256":"8f2b7f478277651ec0f6e33203e238baf84c28ed080e032c09d9c6de75fdb85a"},"schema_version":"1.0"},"canonical_sha256":"e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:43.159231Z","signature_b64":"b4a5wVBn8jvoK7M4VGU9wcGtXbhcZFOqxx8VaAcwss5nc3ZZ+q8Q2eNP9swWI++nyxRPXXkgGe5z9yKrqqouAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b","last_reissued_at":"2026-05-18T00:27:43.158591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:43.158591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.08307","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":"2026-05-18T00:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5d08sRKaX/aImTDQ51NUCUY2yACujOhdqrAZK9Gizr8dfHOgNeLz/RjdytDBwOui4yct26+bTaZr4EuqZk1UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T22:30:07.298561Z"},"content_sha256":"4cf2ccde16058b514efcf032df90cd66bbac86eccc7f27944264557527bdebd2","schema_version":"1.0","event_id":"sha256:4cf2ccde16058b514efcf032df90cd66bbac86eccc7f27944264557527bdebd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4KOLVQUF6L2IKPJ5RUP3KBUGXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First results from GeMS/GSAOI for project SUNBIRD: Supernovae UNmasked By Infra-Red Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Alberdi, A. Efstathiou, C. Baldwin, C. Romero-Ca\\~nizales, E. C. Kool, E. Kankare, F. E. Bauer, J. Kotilainen, M. A. P\\'erez-Torres, M. Schirmer, P. V\\\"ais\\\"anen, R. Herrero-Illana, R. M. McDermid, S. Mattila, S. Ryder, T. Reynolds","submitted_at":"2017-09-25T03:53:29Z","abstract_excerpt":"Core collapse supernova (CCSN) rates suffer from large uncertainties as many CCSNe exploding in regions of bright background emission and significant dust extinction remain unobserved. Such a shortfall is particularly prominent in luminous infrared galaxies (LIRGs), which have high star formation (and thus CCSN) rates and host bright and crowded nuclear regions, where large extinctions and reduced search detection efficiency likely lead to a significant fraction of CCSNe remaining undiscovered. We present the first results of project SUNBIRD (Supernovae UNmasked By Infra-Red Detection), where "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08307","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":"2026-05-18T00:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gls5LqpeQKTqc0iAkKokDtqsfJUJ3a1+kINzjfasNzTPbAFbgqskUpu6vjqgQXisJvbvQViyg9EFo5f63TLdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T22:30:07.299162Z"},"content_sha256":"eef5e3fa5ed2c43f0d13c4e4a36adf2c8eabee3bcf7870a666e88cc8767362aa","schema_version":"1.0","event_id":"sha256:eef5e3fa5ed2c43f0d13c4e4a36adf2c8eabee3bcf7870a666e88cc8767362aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/bundle.json","state_url":"https://pith.science/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/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":"2026-05-20T22:30:07Z","links":{"resolver":"https://pith.science/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW","bundle":"https://pith.science/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/bundle.json","state":"https://pith.science/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KOLVQUF6L2IKPJ5RUP3KBUGXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4KOLVQUF6L2IKPJ5RUP3KBUGXW","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":"8f2b7f478277651ec0f6e33203e238baf84c28ed080e032c09d9c6de75fdb85a","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-25T03:53:29Z","title_canon_sha256":"e5e16e80de3fe8a383306a235b718142552eb1eafe3925255ca0d5b64604e9b1"},"schema_version":"1.0","source":{"id":"1709.08307","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.08307","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"1709.08307v1","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08307","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"4KOLVQUF6L2I","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4KOLVQUF6L2IKPJ5","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4KOLVQUF","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:eef5e3fa5ed2c43f0d13c4e4a36adf2c8eabee3bcf7870a666e88cc8767362aa","target":"graph","created_at":"2026-05-18T00:27:43Z","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":"Core collapse supernova (CCSN) rates suffer from large uncertainties as many CCSNe exploding in regions of bright background emission and significant dust extinction remain unobserved. Such a shortfall is particularly prominent in luminous infrared galaxies (LIRGs), which have high star formation (and thus CCSN) rates and host bright and crowded nuclear regions, where large extinctions and reduced search detection efficiency likely lead to a significant fraction of CCSNe remaining undiscovered. We present the first results of project SUNBIRD (Supernovae UNmasked By Infra-Red Detection), where ","authors_text":"A. Alberdi, A. Efstathiou, C. Baldwin, C. Romero-Ca\\~nizales, E. C. Kool, E. Kankare, F. E. Bauer, J. Kotilainen, M. A. P\\'erez-Torres, M. Schirmer, P. V\\\"ais\\\"anen, R. Herrero-Illana, R. M. McDermid, S. Mattila, S. Ryder, T. Reynolds","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-25T03:53:29Z","title":"First results from GeMS/GSAOI for project SUNBIRD: Supernovae UNmasked By Infra-Red Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08307","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":"sha256:4cf2ccde16058b514efcf032df90cd66bbac86eccc7f27944264557527bdebd2","target":"record","created_at":"2026-05-18T00:27:43Z","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":"8f2b7f478277651ec0f6e33203e238baf84c28ed080e032c09d9c6de75fdb85a","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-25T03:53:29Z","title_canon_sha256":"e5e16e80de3fe8a383306a235b718142552eb1eafe3925255ca0d5b64604e9b1"},"schema_version":"1.0","source":{"id":"1709.08307","kind":"arxiv","version":1}},"canonical_sha256":"e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b","first_computed_at":"2026-05-18T00:27:43.158591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:43.158591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b4a5wVBn8jvoK7M4VGU9wcGtXbhcZFOqxx8VaAcwss5nc3ZZ+q8Q2eNP9swWI++nyxRPXXkgGe5z9yKrqqouAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:43.159231Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.08307","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cf2ccde16058b514efcf032df90cd66bbac86eccc7f27944264557527bdebd2","sha256:eef5e3fa5ed2c43f0d13c4e4a36adf2c8eabee3bcf7870a666e88cc8767362aa"],"state_sha256":"d7030bb54d9950dc08669e3711adad342e5dbe1cdf143940eac002ec1b93dd93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pnpYT5BMIyIRdrK2ALj3jkFnx6XDKVg95DZHrUhQvhfsjzXtuvpmPzZ1dQSsKb8MNAUbwMUS4O7naZEV/JUlCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T22:30:07.301893Z","bundle_sha256":"719c1a70bd43d9f973f2be99efa4a2fbb7acc919b621854f73c315e4b04d4bc7"}}