Pith Number

pith:WPZBY3IX

pith:2007:WPZBY3IXJCJ6MVHLOAMS5RPP6X

not attested not anchored not stored refs pending

A low mass cluster of extremely red galaxies at z=1.10 in the GOODS Southern Field

Anastasio D\'iaz-S\'anchez, Antonio P\'erez-Garrido, Isidro Villo-P\'erez, Rafael Rebolo

arxiv:astro-ph/0702523 v1 · 2007-02-20 · 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{WPZBY3IXJCJ6MVHLOAMS5RPP6X}

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	2026-05-18T01:09:21.662642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f21c6d174893e654eb70192ec5eff5cebae89fd182ebb2ada0f8ebbff3a0d1

Aliases

arxiv: astro-ph/0702523 · arxiv_version: astro-ph/0702523v1 · doi: 10.48550/arxiv.astro-ph/0702523 · pith_short_12: WPZBY3IXJCJ6 · pith_short_16: WPZBY3IXJCJ6MVHL · pith_short_8: WPZBY3IX

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/WPZBY3IXJCJ6MVHLOAMS5RPP6X \
  | 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: b3f21c6d174893e654eb70192ec5eff5cebae89fd182ebb2ada0f8ebbff3a0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e595a62ed17255605d45418c47bba5f8f80da021f8f2e446aec76ec321d637c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-20T13:06:04Z",
    "title_canon_sha256": "8e2b626aebb008132e9db4410e68da4cf16dc9ceaff47d6452a52545a626b8ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702523",
    "kind": "arxiv",
    "version": 1
  }
}