{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OZVAZ3SKLTN2SSMJZS6PO4PT7M","short_pith_number":"pith:OZVAZ3SK","canonical_record":{"source":{"id":"1809.01142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-04T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"75b0d4d23d40c22f4304b89ebb78ac97a9675fea6f439a7f302c59e684c04a56","abstract_canon_sha256":"8dd7a92f649bb523a3418e570ad91409ce1f7ff94798cab5966f32f5e3b98f3f"},"schema_version":"1.0"},"canonical_sha256":"766a0cee4a5cdba94989ccbcf771f3fb12e9e8a5a1a06287c779d1719a13b0c1","source":{"kind":"arxiv","id":"1809.01142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01142","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01142v1","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01142","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"OZVAZ3SKLTN2","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OZVAZ3SKLTN2SSMJ","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OZVAZ3SK","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OZVAZ3SKLTN2SSMJZS6PO4PT7M","target":"record","payload":{"canonical_record":{"source":{"id":"1809.01142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-04T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"75b0d4d23d40c22f4304b89ebb78ac97a9675fea6f439a7f302c59e684c04a56","abstract_canon_sha256":"8dd7a92f649bb523a3418e570ad91409ce1f7ff94798cab5966f32f5e3b98f3f"},"schema_version":"1.0"},"canonical_sha256":"766a0cee4a5cdba94989ccbcf771f3fb12e9e8a5a1a06287c779d1719a13b0c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:47.943383Z","signature_b64":"MSu7cXxwNgPn16BpSm8NGfS+j0Lt49a+Vulkll2EpFPesWMKsqa9ZTb4eaZstI2KwWEhaQcqdT2vDIuOii43Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"766a0cee4a5cdba94989ccbcf771f3fb12e9e8a5a1a06287c779d1719a13b0c1","last_reissued_at":"2026-05-18T00:04:47.942776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:47.942776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.01142","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":"2026-05-18T00:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1m0Qm1yWqmnRIUjCDHYpD5atf9BEWLxOreUmyxHaH2vMVtQES8xWmiW9stRxo3butYBGMl/aP8Uh3AUQF348CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:23:40.282494Z"},"content_sha256":"28681f17e047ae78101bc7af617f6788f2eaf26e5416056983b6d906173b27d2","schema_version":"1.0","event_id":"sha256:28681f17e047ae78101bc7af617f6788f2eaf26e5416056983b6d906173b27d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OZVAZ3SKLTN2SSMJZS6PO4PT7M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MUSE Spectroscopic Identifications of Ultra-Faint Emission Line Galaxies with M$_{\\mathrm{UV}}\\sim$ -15","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anne Verhamme, Hanae Inami, Jarle Brinchmann, Johan Richard, Joop Schaye, Kasper B. Schmidt, Leindert A. Boogaard, Lutz Wisotzki, Marijn Franx, Michael V. Maseda, Nicolas Bouche, Raffaella A. Marino, Roland Bacon, Rychard J. Bouwens, Sebastiano Cantalupo, Sowgat Muzahid, Takuya Hashimoto, Themiya Nanayakkara, Thierry Contini","submitted_at":"2018-09-04T18:00:00Z","abstract_excerpt":"Using an ultra-deep blind survey with the MUSE integral field spectrograph on the ESO Very Large Telescope, we obtain spectroscopic redshifts to a depth never explored before: galaxies with observed magnitudes m > 30 - 32. Specifically, we detect objects via Lyman-alpha emission at 2.9 < z < 6.7 without individual continuum counterparts in areas covered by the deepest optical/near-infrared imaging taken by the Hubble Space Telescope, the Hubble Ultra Deep Field. In total, we find 102 such objects in 9 square arcminutes at these redshifts. Detailed stacking analyses confirm the Lyman-alpha emis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01142","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":"2026-05-18T00:04:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrHlHN1LDpSXlfuksKdG6Dgx4ShEd7ztyNRTdfrrV2UV6SYfJyZEbZK5cNH+O9DRY15pZODa8rAvyANQMxymAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:23:40.282835Z"},"content_sha256":"327be1bf56c959674a24b76397a738d57b39cddcaa00a953d782169c066e93cc","schema_version":"1.0","event_id":"sha256:327be1bf56c959674a24b76397a738d57b39cddcaa00a953d782169c066e93cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/bundle.json","state_url":"https://pith.science/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/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":"2026-06-02T12:23:40Z","links":{"resolver":"https://pith.science/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M","bundle":"https://pith.science/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/bundle.json","state":"https://pith.science/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OZVAZ3SKLTN2SSMJZS6PO4PT7M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OZVAZ3SKLTN2SSMJZS6PO4PT7M","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":"8dd7a92f649bb523a3418e570ad91409ce1f7ff94798cab5966f32f5e3b98f3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-04T18:00:00Z","title_canon_sha256":"75b0d4d23d40c22f4304b89ebb78ac97a9675fea6f439a7f302c59e684c04a56"},"schema_version":"1.0","source":{"id":"1809.01142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01142","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01142v1","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01142","created_at":"2026-05-18T00:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"OZVAZ3SKLTN2","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OZVAZ3SKLTN2SSMJ","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OZVAZ3SK","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:327be1bf56c959674a24b76397a738d57b39cddcaa00a953d782169c066e93cc","target":"graph","created_at":"2026-05-18T00:04:47Z","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":"Using an ultra-deep blind survey with the MUSE integral field spectrograph on the ESO Very Large Telescope, we obtain spectroscopic redshifts to a depth never explored before: galaxies with observed magnitudes m > 30 - 32. Specifically, we detect objects via Lyman-alpha emission at 2.9 < z < 6.7 without individual continuum counterparts in areas covered by the deepest optical/near-infrared imaging taken by the Hubble Space Telescope, the Hubble Ultra Deep Field. In total, we find 102 such objects in 9 square arcminutes at these redshifts. Detailed stacking analyses confirm the Lyman-alpha emis","authors_text":"Anne Verhamme, Hanae Inami, Jarle Brinchmann, Johan Richard, Joop Schaye, Kasper B. Schmidt, Leindert A. Boogaard, Lutz Wisotzki, Marijn Franx, Michael V. Maseda, Nicolas Bouche, Raffaella A. Marino, Roland Bacon, Rychard J. Bouwens, Sebastiano Cantalupo, Sowgat Muzahid, Takuya Hashimoto, Themiya Nanayakkara, Thierry Contini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-04T18:00:00Z","title":"MUSE Spectroscopic Identifications of Ultra-Faint Emission Line Galaxies with M$_{\\mathrm{UV}}\\sim$ -15"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01142","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":"sha256:28681f17e047ae78101bc7af617f6788f2eaf26e5416056983b6d906173b27d2","target":"record","created_at":"2026-05-18T00:04:47Z","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":"8dd7a92f649bb523a3418e570ad91409ce1f7ff94798cab5966f32f5e3b98f3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-04T18:00:00Z","title_canon_sha256":"75b0d4d23d40c22f4304b89ebb78ac97a9675fea6f439a7f302c59e684c04a56"},"schema_version":"1.0","source":{"id":"1809.01142","kind":"arxiv","version":1}},"canonical_sha256":"766a0cee4a5cdba94989ccbcf771f3fb12e9e8a5a1a06287c779d1719a13b0c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"766a0cee4a5cdba94989ccbcf771f3fb12e9e8a5a1a06287c779d1719a13b0c1","first_computed_at":"2026-05-18T00:04:47.942776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:47.942776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MSu7cXxwNgPn16BpSm8NGfS+j0Lt49a+Vulkll2EpFPesWMKsqa9ZTb4eaZstI2KwWEhaQcqdT2vDIuOii43Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:47.943383Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.01142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28681f17e047ae78101bc7af617f6788f2eaf26e5416056983b6d906173b27d2","sha256:327be1bf56c959674a24b76397a738d57b39cddcaa00a953d782169c066e93cc"],"state_sha256":"e97a571d71ec883a2d15f1c6a7a8037977a4644b1bb780e1bec80931da77b1d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CLbALdCD1d/W9812hqqms51/EhdkK/lHUQktcD+7zQCVCfzm/Sc3wk+8KAwzkoQxe6pgi+YCZ3FX6jGPwX9mCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:23:40.284808Z","bundle_sha256":"4e240469e7dadb3a1d47b124e4cb7e0e4958e69fed01e7214a846729f86f792d"}}