{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:R4IZSWVCNB4HMSZWYILPZ3TI4T","short_pith_number":"pith:R4IZSWVC","canonical_record":{"source":{"id":"1608.02941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-09T20:00:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"01423f2c3f0410769024e9a1a1087148500b333e9013410643cb9848308cb284","abstract_canon_sha256":"4210db0e8ce3549d6cfb01bcb68f6d6538bfc0dc486a7c41cde6ce1b3b2aca8e"},"schema_version":"1.0"},"canonical_sha256":"8f11995aa26878764b36c216fcee68e4d107cf707dd92b45b3d612f514aafb64","source":{"kind":"arxiv","id":"1608.02941","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02941","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02941v1","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02941","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"R4IZSWVCNB4H","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"R4IZSWVCNB4HMSZW","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"R4IZSWVC","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:R4IZSWVCNB4HMSZWYILPZ3TI4T","target":"record","payload":{"canonical_record":{"source":{"id":"1608.02941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-09T20:00:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"01423f2c3f0410769024e9a1a1087148500b333e9013410643cb9848308cb284","abstract_canon_sha256":"4210db0e8ce3549d6cfb01bcb68f6d6538bfc0dc486a7c41cde6ce1b3b2aca8e"},"schema_version":"1.0"},"canonical_sha256":"8f11995aa26878764b36c216fcee68e4d107cf707dd92b45b3d612f514aafb64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:26.521617Z","signature_b64":"OckkqjtSXsbk/COSzXsEs+FD1tESOOAc0If4YG2Rdafogj5Y7Ki/k0eGCJl2dQtKZ0bY/4h++zr3cVkNa6cvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f11995aa26878764b36c216fcee68e4d107cf707dd92b45b3d612f514aafb64","last_reissued_at":"2026-05-18T00:57:26.521168Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:26.521168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.02941","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":"2026-05-18T00:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SXD48INL32WzE0+JGrVUuAvqXT4V+AhNIazVBY0VP863IU0P4PClLuT/Xh3Ob0XzcCXON9M/hZQrIJYem1JABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:13:01.403477Z"},"content_sha256":"4d87d69e1e7bf62ae5c95ddca993d521f54bcd5abd5715709591efb2fda1663c","schema_version":"1.0","event_id":"sha256:4d87d69e1e7bf62ae5c95ddca993d521f54bcd5abd5715709591efb2fda1663c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:R4IZSWVCNB4HMSZWYILPZ3TI4T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ALMA observations of Lyman-alpha Blob 1: halo sub-structure illuminated from within","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Avison, A. M. Swinbank, A. Verma, C. C. Steidel, C. M. Harrison, D. Farrah, D. J. B. Smith, D. L. Clements, D. Narayanan, Douglas Scott, E. van Kampen, H. Dannerbauer, J. E. Geach (Hertfordshire), J. M. Simpson, Ll. Mas-Ribas, M. Birkinshaw, M. Dijkstra, M. Hayes, M. J. Michalowski, M. Kubo, M. N. Bremer, M. Spaans, N. K. Hine, O. Agertz, P. van der Werf, R. Feldmann, S. C. Chapman, T. Yamada, Y. Ao, Y. Matsuda, Y. Taniguchi","submitted_at":"2016-08-09T20:00:03Z","abstract_excerpt":"We present new Atacama Large Millimeter/Submillimeter Array (ALMA) 850um continuum observations of the original Lyman-alpha Blob (LAB) in the SSA22 field at z=3.1 (SSA22-LAB01). The ALMA map resolves the previously identified submillimeter source into three components with total flux density S_850 = 1.68+/-0.06 mJy, corresponding to a star formation rate of ~150 M_sun/yr. The submillimeter sources are associated with several faint (m~27 mag) rest-frame ultraviolet sources identified in Hubble Space Telescope Imaging Spectrograph (STIS) clear filter imaging (~5850A). One of these companions is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02941","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":"2026-05-18T00:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QpmVt18F56/gB2+7Put9ciNceXvCQCWDps+oLI/sY+fP6arthI0ZeHZFCkge7MQLJoZ6m+KQrxfbU8g5wCqdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:13:01.404202Z"},"content_sha256":"75ca5d9e05ab5c7c889afaf3ff5d74d4772501a69e7225700dfe45b4b6b8e9e0","schema_version":"1.0","event_id":"sha256:75ca5d9e05ab5c7c889afaf3ff5d74d4772501a69e7225700dfe45b4b6b8e9e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/bundle.json","state_url":"https://pith.science/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/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":"2026-05-25T11:13:01Z","links":{"resolver":"https://pith.science/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T","bundle":"https://pith.science/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/bundle.json","state":"https://pith.science/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4IZSWVCNB4HMSZWYILPZ3TI4T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:R4IZSWVCNB4HMSZWYILPZ3TI4T","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":"4210db0e8ce3549d6cfb01bcb68f6d6538bfc0dc486a7c41cde6ce1b3b2aca8e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-09T20:00:03Z","title_canon_sha256":"01423f2c3f0410769024e9a1a1087148500b333e9013410643cb9848308cb284"},"schema_version":"1.0","source":{"id":"1608.02941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02941","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02941v1","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02941","created_at":"2026-05-18T00:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"R4IZSWVCNB4H","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"R4IZSWVCNB4HMSZW","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"R4IZSWVC","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:75ca5d9e05ab5c7c889afaf3ff5d74d4772501a69e7225700dfe45b4b6b8e9e0","target":"graph","created_at":"2026-05-18T00:57:26Z","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 present new Atacama Large Millimeter/Submillimeter Array (ALMA) 850um continuum observations of the original Lyman-alpha Blob (LAB) in the SSA22 field at z=3.1 (SSA22-LAB01). The ALMA map resolves the previously identified submillimeter source into three components with total flux density S_850 = 1.68+/-0.06 mJy, corresponding to a star formation rate of ~150 M_sun/yr. The submillimeter sources are associated with several faint (m~27 mag) rest-frame ultraviolet sources identified in Hubble Space Telescope Imaging Spectrograph (STIS) clear filter imaging (~5850A). One of these companions is ","authors_text":"A. Avison, A. M. Swinbank, A. Verma, C. C. Steidel, C. M. Harrison, D. Farrah, D. J. B. Smith, D. L. Clements, D. Narayanan, Douglas Scott, E. van Kampen, H. Dannerbauer, J. E. Geach (Hertfordshire), J. M. Simpson, Ll. Mas-Ribas, M. Birkinshaw, M. Dijkstra, M. Hayes, M. J. Michalowski, M. Kubo, M. N. Bremer, M. Spaans, N. K. Hine, O. Agertz, P. van der Werf, R. Feldmann, S. C. Chapman, T. Yamada, Y. Ao, Y. Matsuda, Y. Taniguchi","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-09T20:00:03Z","title":"ALMA observations of Lyman-alpha Blob 1: halo sub-structure illuminated from within"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02941","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":"sha256:4d87d69e1e7bf62ae5c95ddca993d521f54bcd5abd5715709591efb2fda1663c","target":"record","created_at":"2026-05-18T00:57:26Z","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":"4210db0e8ce3549d6cfb01bcb68f6d6538bfc0dc486a7c41cde6ce1b3b2aca8e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-09T20:00:03Z","title_canon_sha256":"01423f2c3f0410769024e9a1a1087148500b333e9013410643cb9848308cb284"},"schema_version":"1.0","source":{"id":"1608.02941","kind":"arxiv","version":1}},"canonical_sha256":"8f11995aa26878764b36c216fcee68e4d107cf707dd92b45b3d612f514aafb64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f11995aa26878764b36c216fcee68e4d107cf707dd92b45b3d612f514aafb64","first_computed_at":"2026-05-18T00:57:26.521168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:26.521168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OckkqjtSXsbk/COSzXsEs+FD1tESOOAc0If4YG2Rdafogj5Y7Ki/k0eGCJl2dQtKZ0bY/4h++zr3cVkNa6cvDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:26.521617Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.02941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d87d69e1e7bf62ae5c95ddca993d521f54bcd5abd5715709591efb2fda1663c","sha256:75ca5d9e05ab5c7c889afaf3ff5d74d4772501a69e7225700dfe45b4b6b8e9e0"],"state_sha256":"ba79af945d118c322cb5977bfe803e6c992ef0182fa77147b51b786992127115"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"87zcz6JXkjN68IcReuvy+Nev1b+XnfjuepdbmAd6EN7Dp5qL+XIdbggw+YDt1dL0LTKPlt7XNNfVVwLjVhOiAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:13:01.408019Z","bundle_sha256":"f377d21766927a67fa69be21a561f4cf3e78f4a36001a6d2fe6f2ad2aa04902f"}}