Pith Number

pith:2EPUJYZG

pith:2012:2EPUJYZGDOQIP7L2QYBHTVYDJO

not attested not anchored not stored refs pending

The WARPS Survey. VIII. Evolution of the Galaxy Cluster X-ray Luminosity Function

B. J. Maughan, C. A. Scharf, D. J. Horner, E. S. Perlman, H. Ebeling, L. A. Koens, L. R. Jones, S. Phillipps

arxiv:1210.5282 v2 · 2012-10-18 · 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{2EPUJYZGDOQIP7L2QYBHTVYDJO}

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	2026-05-18T01:53:46.226372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d11f44e3261ba087fd7a860279d7034ba81efb9d833a92fc78e0b5f24073aaf3

Aliases

arxiv: 1210.5282 · arxiv_version: 1210.5282v2 · doi: 10.48550/arxiv.1210.5282 · pith_short_12: 2EPUJYZGDOQI · pith_short_16: 2EPUJYZGDOQIP7L2 · pith_short_8: 2EPUJYZG

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/2EPUJYZGDOQIP7L2QYBHTVYDJO \
  | 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: d11f44e3261ba087fd7a860279d7034ba81efb9d833a92fc78e0b5f24073aaf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d06417e3a8a2b9471df9b07ce9725e5300bbdc24f3b192d4bfd23bb7fa7ed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-18T23:47:24Z",
    "title_canon_sha256": "31bf86864f09d5ba65540ed7d3564867055fae43eae1396a76fdd59cbdd55f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5282",
    "kind": "arxiv",
    "version": 2
  }
}