Pith Number

pith:UOFCFNQD

pith:2000:UOFCFNQDUFYO7SSR6WUYDVBKOP

not attested not anchored not stored refs pending

Galaxy Cluster Baryon Fractions, Cluster Surveys and Cosmology

Gilbert P. Holder, Joseph J. Mohr, Zoltan Haiman

arxiv:astro-ph/0004244 v1 · 2000-04-18 · 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{UOFCFNQDUFYO7SSR6WUYDVBKOP}

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	2026-05-18T01:00:31.883767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38a22b603a170efca51f5a981d42a73ee2dee5069339becb65e86db4f817c4b

Aliases

arxiv: astro-ph/0004244 · arxiv_version: astro-ph/0004244v1 · doi: 10.48550/arxiv.astro-ph/0004244 · pith_short_12: UOFCFNQDUFYO · pith_short_16: UOFCFNQDUFYO7SSR · pith_short_8: UOFCFNQD

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/UOFCFNQDUFYO7SSR6WUYDVBKOP \
  | 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: a38a22b603a170efca51f5a981d42a73ee2dee5069339becb65e86db4f817c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "308d18a15219e1ddd47397af7d6e3b8e1d9790c7acaa7eadd46490bcd14645b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-18T00:36:34Z",
    "title_canon_sha256": "a56508c0b05ea38004ebd6738ce0adc27d4aff4fd1c86a32674a6e86cff5516c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004244",
    "kind": "arxiv",
    "version": 1
  }
}