Pith Number

pith:5U5LE7CF

pith:2005:5U5LE7CFAZX5NNLINGSKGNBCCC

not attested not anchored not stored refs pending

The HIPASS catalogue: Omega_HI and environmental effects on the HI mass function of galaxies

L. Staveley-Smith, M. A. Zwaan, M. J. Meyer, R. L. Webster

arxiv:astro-ph/0502257 v2 · 2005-02-13 · 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{5U5LE7CFAZX5NNLINGSKGNBCCC}

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.

Cited by

1 paper in Pith

Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years

Receipt and verification

First computed	2026-07-04T16:50:48.960851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3ab27c45066fd6b56869a4a33422108dd4e829d34faa6345f11eafc9051e5e

Aliases

arxiv: astro-ph/0502257 · arxiv_version: astro-ph/0502257v2 · doi: 10.48550/arxiv.astro-ph/0502257 · pith_short_12: 5U5LE7CFAZX5 · pith_short_16: 5U5LE7CFAZX5NNLI · pith_short_8: 5U5LE7CF

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/5U5LE7CFAZX5NNLINGSKGNBCCC \
  | 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: ed3ab27c45066fd6b56869a4a33422108dd4e829d34faa6345f11eafc9051e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb12f5c214765d8d93d8552587a337559beba0b13bcf260d501786dfd6914d22",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-13T21:59:26Z",
    "title_canon_sha256": "bda0ecc33a69e925dc21f3d1fa731d71ffc592abcb5404bd4359d5f06b27b1c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502257",
    "kind": "arxiv",
    "version": 2
  }
}