Pith Number

pith:66ZF5WYG

pith:2015:66ZF5WYGPR633S76F2YFHG2YS7

not attested not anchored not stored refs pending

Constraining the radio-loud fraction of quasars at z>5.5

B.P. Venemans, D. Stern, E. Ba\~nados, E. Morganson, E.P. Farina, E. Schlafly, F. Walter, H-W. Rix, J. Flewelling, J. Greiner, J. Hodge, J. L. Tonry, J.S.Morgan, K.C. Chambers, N. Kaiser, N. Metcalfe, P.W. Draper, R. Decarli, R. J. Wainscoat, W. S. Burgett, X. Fan

arxiv:1503.04214 v1 · 2015-03-13 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66ZF5WYGPR633S76F2YFHG2YS7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:03:33.783185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b25edb067c7dbdcbfe2eb0539b5897d7ef4f464acd23a5acb0f829f2d9660c

Aliases

arxiv: 1503.04214 · arxiv_version: 1503.04214v1 · doi: 10.48550/arxiv.1503.04214 · pith_short_12: 66ZF5WYGPR63 · pith_short_16: 66ZF5WYGPR633S76 · pith_short_8: 66ZF5WYG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/66ZF5WYGPR633S76F2YFHG2YS7 \
  | 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: f7b25edb067c7dbdcbfe2eb0539b5897d7ef4f464acd23a5acb0f829f2d9660c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61366a7bd6a1c9c2e6b64775405e13f07c700f3b21342f051122889827670153",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-13T20:39:43Z",
    "title_canon_sha256": "76c5643a7674ba400b77cce43a0e94add8db39ba6c117d51f7f965ac91661eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04214",
    "kind": "arxiv",
    "version": 1
  }
}