{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:P3RQA6IYSSCDRIGVX5EZX6NOWT","short_pith_number":"pith:P3RQA6IY","canonical_record":{"source":{"id":"2111.08336","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-16T10:16:24Z","cross_cats_sorted":[],"title_canon_sha256":"300a8717178bd64b65526c58d4e1c487723e6348d84bf40bad083dfc3a4a117e","abstract_canon_sha256":"4f061fa7cd1a21f28bc89accf23b099197b565a6b357c9e5401bf21e06437cf0"},"schema_version":"1.0"},"canonical_sha256":"7ee3007918948438a0d5bf499bf9aeb4deea49fed75ffec48fac0c2d826bd8fd","source":{"kind":"arxiv","id":"2111.08336","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08336","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08336v2","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08336","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_12","alias_value":"P3RQA6IYSSCD","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"P3RQA6IYSSCDRIGV","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"P3RQA6IY","created_at":"2026-07-05T04:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:P3RQA6IYSSCDRIGVX5EZX6NOWT","target":"record","payload":{"canonical_record":{"source":{"id":"2111.08336","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-16T10:16:24Z","cross_cats_sorted":[],"title_canon_sha256":"300a8717178bd64b65526c58d4e1c487723e6348d84bf40bad083dfc3a4a117e","abstract_canon_sha256":"4f061fa7cd1a21f28bc89accf23b099197b565a6b357c9e5401bf21e06437cf0"},"schema_version":"1.0"},"canonical_sha256":"7ee3007918948438a0d5bf499bf9aeb4deea49fed75ffec48fac0c2d826bd8fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:29:27.376145Z","signature_b64":"IMK/RTmAOvYKZBip0tQ1PZ96CC3g2Y8ufVKHLIhShgWJB6IB1prBy9/qT9akLzPUCmNgTrtZ7jk2oLFFbNSgAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ee3007918948438a0d5bf499bf9aeb4deea49fed75ffec48fac0c2d826bd8fd","last_reissued_at":"2026-07-05T04:29:27.375643Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:29:27.375643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.08336","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:29:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZnwgIeXvbJ/3fXDO2oSFic9CiXYpN3RrlUf6YA207Y/qmNV/XjITl5J7MBI9FqeDh6vkComowrQg4Z9AmB3KDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:46:01.638330Z"},"content_sha256":"870f26f8c93d3d189817844f81478fdc6c12c1894426e46bd8d8e4625031d635","schema_version":"1.0","event_id":"sha256:870f26f8c93d3d189817844f81478fdc6c12c1894426e46bd8d8e4625031d635"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:P3RQA6IYSSCDRIGVX5EZX6NOWT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep uGMRT observations of the ELAIS-North 1 field: statistical properties of radio--infrared relations up to $z \\sim$2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Abhirup Datta, Akriti Sinha, Aritra Basu, Arnab Chakraborty","submitted_at":"2021-11-16T10:16:24Z","abstract_excerpt":"Comprehending the radio--infrared (IR) relations of the faint extragalactic radio sources is important for using radio emission as a tracer of star-formation in high redshift ($z$) star-forming galaxies (SFGs). Using deep uGMRT observations of the ELAIS-N1 field in the 0.3--0.5\\,GHz range, we study the statistical properties of the radio--IR relations and the variation of the `$q$-parameter' up to $z=2$ after broadly classifying the faint sources as SFGs and AGN. We find the dust temperature ($\\tdust$) to increase with $z$. This gives rise to $\\qmir$, measured at $24\\,\\upmu$m, to increase with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08336","kind":"arxiv","version":2},"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/2111.08336/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":"2026-07-05T04:29:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AxkuauGwZMcGUs00XoYbjC7977H7cZrV9CrgRVNnD0o1roaeTbxYV0HhsP3s3dXl6xLNeR2yFZeJbG0jUIkICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:46:01.638823Z"},"content_sha256":"03e6e6dac481698985b355a8b055a48e1e78052e9d94515f7af8ffe8d9266090","schema_version":"1.0","event_id":"sha256:03e6e6dac481698985b355a8b055a48e1e78052e9d94515f7af8ffe8d9266090"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/bundle.json","state_url":"https://pith.science/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/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":"2026-08-08T22:46:01Z","links":{"resolver":"https://pith.science/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT","bundle":"https://pith.science/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/bundle.json","state":"https://pith.science/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P3RQA6IYSSCDRIGVX5EZX6NOWT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:P3RQA6IYSSCDRIGVX5EZX6NOWT","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":"4f061fa7cd1a21f28bc89accf23b099197b565a6b357c9e5401bf21e06437cf0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-16T10:16:24Z","title_canon_sha256":"300a8717178bd64b65526c58d4e1c487723e6348d84bf40bad083dfc3a4a117e"},"schema_version":"1.0","source":{"id":"2111.08336","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08336","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08336v2","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08336","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_12","alias_value":"P3RQA6IYSSCD","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"P3RQA6IYSSCDRIGV","created_at":"2026-07-05T04:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"P3RQA6IY","created_at":"2026-07-05T04:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:03e6e6dac481698985b355a8b055a48e1e78052e9d94515f7af8ffe8d9266090","target":"graph","created_at":"2026-07-05T04:29:27Z","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/2111.08336/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Comprehending the radio--infrared (IR) relations of the faint extragalactic radio sources is important for using radio emission as a tracer of star-formation in high redshift ($z$) star-forming galaxies (SFGs). Using deep uGMRT observations of the ELAIS-N1 field in the 0.3--0.5\\,GHz range, we study the statistical properties of the radio--IR relations and the variation of the `$q$-parameter' up to $z=2$ after broadly classifying the faint sources as SFGs and AGN. We find the dust temperature ($\\tdust$) to increase with $z$. This gives rise to $\\qmir$, measured at $24\\,\\upmu$m, to increase with","authors_text":"Abhirup Datta, Akriti Sinha, Aritra Basu, Arnab Chakraborty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-16T10:16:24Z","title":"Deep uGMRT observations of the ELAIS-North 1 field: statistical properties of radio--infrared relations up to $z \\sim$2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08336","kind":"arxiv","version":2},"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":"sha256:870f26f8c93d3d189817844f81478fdc6c12c1894426e46bd8d8e4625031d635","target":"record","created_at":"2026-07-05T04:29:27Z","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":"4f061fa7cd1a21f28bc89accf23b099197b565a6b357c9e5401bf21e06437cf0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-16T10:16:24Z","title_canon_sha256":"300a8717178bd64b65526c58d4e1c487723e6348d84bf40bad083dfc3a4a117e"},"schema_version":"1.0","source":{"id":"2111.08336","kind":"arxiv","version":2}},"canonical_sha256":"7ee3007918948438a0d5bf499bf9aeb4deea49fed75ffec48fac0c2d826bd8fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ee3007918948438a0d5bf499bf9aeb4deea49fed75ffec48fac0c2d826bd8fd","first_computed_at":"2026-07-05T04:29:27.375643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:29:27.375643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IMK/RTmAOvYKZBip0tQ1PZ96CC3g2Y8ufVKHLIhShgWJB6IB1prBy9/qT9akLzPUCmNgTrtZ7jk2oLFFbNSgAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:29:27.376145Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.08336","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:870f26f8c93d3d189817844f81478fdc6c12c1894426e46bd8d8e4625031d635","sha256:03e6e6dac481698985b355a8b055a48e1e78052e9d94515f7af8ffe8d9266090"],"state_sha256":"8b10e89513d9438e6d453891d28f140bb90c231b62cb05029b1c01b65e53f399"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NDR+WqldN0L8WUIteNPAW6n7zJumpmLr2xdNil0Pr4Oar3kedSQT7GJkbFXAnZBlCj99Phqs8RKQs9n8RyTNBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T22:46:01.643371Z","bundle_sha256":"77b3121bd686ddc18d49fec0893bee3f1d0977af27b7a07ef30c29e625856347"}}