Pith Number

pith:UIR7NRRI

pith:2000:UIR7NRRITAWYK4ZT4WM6LLQ3UV

not attested not anchored not stored refs pending

Weak Lensing by High-Redshift Clusters of Galaxies - I: Cluster Mass Reconstruction

2), (2) MPA, 3) ((1) IfA, (3) Bologna), D. Clowe (1, G. Luppino (1), I. Gioia (1, N. Kaiser (1)

arxiv:astro-ph/0001356 v1 · 2000-01-20 · 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{UIR7NRRITAWYK4ZT4WM6LLQ3UV}

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	2026-07-04T16:15:56.852095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a223f6c628982d857333e599e5ae1ba5725ac2126c234796ece7ff6c5ebbc227

Aliases

arxiv: astro-ph/0001356 · arxiv_version: astro-ph/0001356v1 · doi: 10.48550/arxiv.astro-ph/0001356 · pith_short_12: UIR7NRRITAWY · pith_short_16: UIR7NRRITAWYK4ZT · pith_short_8: UIR7NRRI

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/UIR7NRRITAWYK4ZT4WM6LLQ3UV \
  | 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: a223f6c628982d857333e599e5ae1ba5725ac2126c234796ece7ff6c5ebbc227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b4d6d0aa5339ec2a1edf874c50b31a606812c73ff0014978c2ec5bde1400c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-20T14:25:16Z",
    "title_canon_sha256": "592502a72ed53b8fe54e036a07d7c41920b00e07c318ea93a8d676baac8952b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001356",
    "kind": "arxiv",
    "version": 1
  }
}