Pith Number

pith:PDUR2BVH

pith:2010:PDUR2BVH7OXDF2NRBMP4WN6XWO

not attested not anchored not stored refs pending

A galaxy populations study of a radio-selected protocluster at z~3.1

A. W. Zirm, B. P. Venemans, C. De Breuck, E. Kuiper, G. K. Miley, H. J. A. Rottgering, I. Tanaka, J. D. Kurk, L. Pentericci, M. Kajisawa, N. A. Hatch, R. A. Overzier, S. A. Stanford, S. Croft, T. Kodama

arxiv:1002.4198 v1 · 2010-02-22 · 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{PDUR2BVH7OXDF2NRBMP4WN6XWO}

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	2026-05-18T02:08:58.012028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e91d06a7fbae32e9b10b1fcb37d7b39c3723c761d760d159eaa9e6698e1e77

Aliases

arxiv: 1002.4198 · arxiv_version: 1002.4198v1 · doi: 10.48550/arxiv.1002.4198 · pith_short_12: PDUR2BVH7OXD · pith_short_16: PDUR2BVH7OXDF2NR · pith_short_8: PDUR2BVH

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/PDUR2BVH7OXDF2NRBMP4WN6XWO \
  | 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: 78e91d06a7fbae32e9b10b1fcb37d7b39c3723c761d760d159eaa9e6698e1e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5e569421f802dd419b0f6f51b234e90e524b31aa18060cf876aff86628daecb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-22T21:05:07Z",
    "title_canon_sha256": "e3f7a78f8b9cde1ff42017631f4f6bf8439761fa97af83891aa53d55a0f5af4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4198",
    "kind": "arxiv",
    "version": 1
  }
}