Pith Number

pith:UVKB65YO

pith:2004:UVKB65YO4BNFEHKGPJXYQZDHOG

not attested not anchored not stored refs pending

Neutral hydrogen surveys for high redshift galaxy clusters and proto-clusters

Jochen Weller, Richard A. Battye, Rod D. Davies

arxiv:astro-ph/0401340 v1 · 2004-01-16 · 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{UVKB65YO4BNFEHKGPJXYQZDHOG}

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	2026-07-04T15:31:16.524241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5541f770ee05a521d467a6f88646771b22ffe0d09017af764c56610202cca09

Aliases

arxiv: astro-ph/0401340 · arxiv_version: astro-ph/0401340v1 · doi: 10.48550/arxiv.astro-ph/0401340 · pith_short_12: UVKB65YO4BNF · pith_short_16: UVKB65YO4BNFEHKG · pith_short_8: UVKB65YO

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/UVKB65YO4BNFEHKGPJXYQZDHOG \
  | 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: a5541f770ee05a521d467a6f88646771b22ffe0d09017af764c56610202cca09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9207885a8398aa66da4f5b9c969ca54cdf9675cd0ae3538b599f3eaf031163",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-16T14:19:04Z",
    "title_canon_sha256": "0d5ae8063d7ab48ff6d00e56cfca62f35ef6cbe0b540415163dcafcebcdf1344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401340",
    "kind": "arxiv",
    "version": 1
  }
}