Pith Number

pith:NI2C754B

pith:2012:NI2C754BBSVGLBLOON2TZY5DLM

not attested not anchored not stored refs pending

Star formation in high-redshift quasars: excess [O II] emission in the radio-loud population

D. G. Bonfield, E. Kalfountzou, M. J. Hardcastle, M. J. Jarvis

arxiv:1209.2329 v1 · 2012-09-11 · astro-ph.CO

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:54:30.540401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a342ff7810caa65856e73753ce3a35b1129dde0f6f4bb26937ff58aa0b97953

Aliases

arxiv: 1209.2329 · arxiv_version: 1209.2329v1 · doi: 10.48550/arxiv.1209.2329

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NI2C754BBSVGLBLOON2TZY5DLM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6a342ff7810caa65856e73753ce3a35b1129dde0f6f4bb26937ff58aa0b97953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5b743c5feb2ce342ab01b71c987021d4c6f9cb40fa1485d8cdc5065a20edfff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-11T14:31:36Z",
    "title_canon_sha256": "bf862a8a8b09dbd082bd217525ceeadcd964b531fbedb17d910ee59f6061e18d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2329",
    "kind": "arxiv",
    "version": 1
  }
}