Pith Number

pith:ZQDJK5YO

pith:2004:ZQDJK5YOXZQ4PNRXIO2PSNBBOU

not attested not anchored not stored refs pending

HIROCS - a galaxy cluster survey at high redshifts

C. Wolf, E. Bell, H. Hippelein, H.-J. Roeser, S. Falter

arxiv:astro-ph/0407615 v1 · 2004-07-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQDJK5YOXZQ4PNRXIO2PSNBBOU}

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	2026-07-04T16:44:24.349055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0695770ebe61c7b63743b4f9342175264303b6c3d4a62f2283be5792b1d9b0

Aliases

arxiv: astro-ph/0407615 · arxiv_version: astro-ph/0407615v1 · doi: 10.48550/arxiv.astro-ph/0407615 · pith_short_12: ZQDJK5YOXZQ4 · pith_short_16: ZQDJK5YOXZQ4PNRX · pith_short_8: ZQDJK5YO

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/ZQDJK5YOXZQ4PNRXIO2PSNBBOU \
  | 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: cc0695770ebe61c7b63743b4f9342175264303b6c3d4a62f2283be5792b1d9b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41bbd1c4db903bb0b353dfe8f1663834bcfd34656941d7459cfe5f5d2a9c9db1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-29T15:25:01Z",
    "title_canon_sha256": "3b3a5c3a73800d9cc824b64face5c58ead76d3c438c781aaf097ccefe587f937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407615",
    "kind": "arxiv",
    "version": 1
  }
}