{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VHAC7U67KXK5NGXVIIFPRWNVUO","short_pith_number":"pith:VHAC7U67","canonical_record":{"source":{"id":"2606.26640","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T06:05:30Z","cross_cats_sorted":[],"title_canon_sha256":"92bbdc233a67befd1bb54959a4ea694f5ff6f373d06cee52fa446f2b5d890a26","abstract_canon_sha256":"87e71fbb2c6abd62116f78601b52251c724c1ceafed7716cfbde57afe663b495"},"schema_version":"1.0"},"canonical_sha256":"a9c02fd3df55d5d69af5420af8d9b5a3aa2fd48f41f57fbf5009755261f8f02e","source":{"kind":"arxiv","id":"2606.26640","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26640","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26640v1","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26640","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_12","alias_value":"VHAC7U67KXK5","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_16","alias_value":"VHAC7U67KXK5NGXV","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_8","alias_value":"VHAC7U67","created_at":"2026-06-26T01:15:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VHAC7U67KXK5NGXVIIFPRWNVUO","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26640","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T06:05:30Z","cross_cats_sorted":[],"title_canon_sha256":"92bbdc233a67befd1bb54959a4ea694f5ff6f373d06cee52fa446f2b5d890a26","abstract_canon_sha256":"87e71fbb2c6abd62116f78601b52251c724c1ceafed7716cfbde57afe663b495"},"schema_version":"1.0"},"canonical_sha256":"a9c02fd3df55d5d69af5420af8d9b5a3aa2fd48f41f57fbf5009755261f8f02e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:15:36.897182Z","signature_b64":"M5LdlZKhAs+hXjRCw7ukbuaNfa8o7biq7rF4oJIKlFjZZ7HysV/73wZ10H3f3BqmGwEribFfnenqJ/0EqSOiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9c02fd3df55d5d69af5420af8d9b5a3aa2fd48f41f57fbf5009755261f8f02e","last_reissued_at":"2026-06-26T01:15:36.896781Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:15:36.896781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26640","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":"2026-06-26T01:15:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZX8VyjucdSg4TndeZuUhw69H/7kc7SSobN3ivfGvAqOwAcSxO65YLzIapQQ6A3SE9KbtNLQ5zC5NIchdJ+7PCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T19:34:26.124055Z"},"content_sha256":"cc7d5d070e78c77c94cba57d58a34a3de4646628be8d76a375848b9f0790214a","schema_version":"1.0","event_id":"sha256:cc7d5d070e78c77c94cba57d58a34a3de4646628be8d76a375848b9f0790214a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VHAC7U67KXK5NGXVIIFPRWNVUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cm-wavelength Studies of Molecular Gas and Star Formation at High Redshift with the SKA","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dominik Riechers, Elisabete da Cunha, Eric Murphy, Jacqueline Hodge, Jeff Wagg, Mamta Pandey-Pommier, Manuel Aravena, Mark T. Sargent, Ran Wang","submitted_at":"2026-06-25T06:05:30Z","abstract_excerpt":"The Square Kilometre Array will be a revolutionary instrument for the study of gas in the distant Universe. At frequencies below ~50 GHz, observations of redshifted emission from low-J transitions of CO, HCN, HCO+, and HNC, etc. provide insight into the kinematics and mass budget of the cold, dense star-forming gas in galaxies. Over the past decade, sensitive imaging using ALMA has detected and resolved the redshifted high-J molecular CO line emission and far-infrared fine structure lines in samples of galaxies over a wide redshift range, shedding light on active star-formation processes at th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26640","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/2606.26640/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":"2026-06-26T01:15:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mqKTNnVECLuKBJEkEhJl1CqJpvXQ+vFdiAcATODEhqeQmzT73AXOYjYSLif8wYrOCUFH5VVFdUqC76IZlTohCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T19:34:26.124438Z"},"content_sha256":"c08b01ec2e82416104a917747d87f19ab0389daf4c014fb100743ca108a975d6","schema_version":"1.0","event_id":"sha256:c08b01ec2e82416104a917747d87f19ab0389daf4c014fb100743ca108a975d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/bundle.json","state_url":"https://pith.science/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/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":"2026-06-26T19:34:26Z","links":{"resolver":"https://pith.science/pith/VHAC7U67KXK5NGXVIIFPRWNVUO","bundle":"https://pith.science/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/bundle.json","state":"https://pith.science/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHAC7U67KXK5NGXVIIFPRWNVUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VHAC7U67KXK5NGXVIIFPRWNVUO","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":"87e71fbb2c6abd62116f78601b52251c724c1ceafed7716cfbde57afe663b495","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T06:05:30Z","title_canon_sha256":"92bbdc233a67befd1bb54959a4ea694f5ff6f373d06cee52fa446f2b5d890a26"},"schema_version":"1.0","source":{"id":"2606.26640","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26640","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26640v1","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26640","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_12","alias_value":"VHAC7U67KXK5","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_16","alias_value":"VHAC7U67KXK5NGXV","created_at":"2026-06-26T01:15:36Z"},{"alias_kind":"pith_short_8","alias_value":"VHAC7U67","created_at":"2026-06-26T01:15:36Z"}],"graph_snapshots":[{"event_id":"sha256:c08b01ec2e82416104a917747d87f19ab0389daf4c014fb100743ca108a975d6","target":"graph","created_at":"2026-06-26T01:15:36Z","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/2606.26640/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Square Kilometre Array will be a revolutionary instrument for the study of gas in the distant Universe. At frequencies below ~50 GHz, observations of redshifted emission from low-J transitions of CO, HCN, HCO+, and HNC, etc. provide insight into the kinematics and mass budget of the cold, dense star-forming gas in galaxies. Over the past decade, sensitive imaging using ALMA has detected and resolved the redshifted high-J molecular CO line emission and far-infrared fine structure lines in samples of galaxies over a wide redshift range, shedding light on active star-formation processes at th","authors_text":"Dominik Riechers, Elisabete da Cunha, Eric Murphy, Jacqueline Hodge, Jeff Wagg, Mamta Pandey-Pommier, Manuel Aravena, Mark T. Sargent, Ran Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T06:05:30Z","title":"Cm-wavelength Studies of Molecular Gas and Star Formation at High Redshift with the SKA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26640","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:cc7d5d070e78c77c94cba57d58a34a3de4646628be8d76a375848b9f0790214a","target":"record","created_at":"2026-06-26T01:15:36Z","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":"87e71fbb2c6abd62116f78601b52251c724c1ceafed7716cfbde57afe663b495","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-25T06:05:30Z","title_canon_sha256":"92bbdc233a67befd1bb54959a4ea694f5ff6f373d06cee52fa446f2b5d890a26"},"schema_version":"1.0","source":{"id":"2606.26640","kind":"arxiv","version":1}},"canonical_sha256":"a9c02fd3df55d5d69af5420af8d9b5a3aa2fd48f41f57fbf5009755261f8f02e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9c02fd3df55d5d69af5420af8d9b5a3aa2fd48f41f57fbf5009755261f8f02e","first_computed_at":"2026-06-26T01:15:36.896781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:15:36.896781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M5LdlZKhAs+hXjRCw7ukbuaNfa8o7biq7rF4oJIKlFjZZ7HysV/73wZ10H3f3BqmGwEribFfnenqJ/0EqSOiCQ==","signature_status":"signed_v1","signed_at":"2026-06-26T01:15:36.897182Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26640","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc7d5d070e78c77c94cba57d58a34a3de4646628be8d76a375848b9f0790214a","sha256:c08b01ec2e82416104a917747d87f19ab0389daf4c014fb100743ca108a975d6"],"state_sha256":"7e81829f76962e52bc363ad610472b5288a7e382840c48923f966f404cff150a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hPQ4PhZbJ/9bch0W50YgtF9fQOxlfLzGzdnK9C4XyibbOeODD4gXcAE7gtTLbB2iQ1V1feuRL5y15wRJ13i4DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T19:34:26.126463Z","bundle_sha256":"7ae6ca97479ad73d4b661394372a7ba9d7fdd4615962eb757227bbe40011fb84"}}