Pith Number

pith:C4GVVOQX

pith:1994:C4GVVOQXROO4BASCFUVTDZ5USV

not attested not anchored not stored refs pending

The Properties of an HI-Selected Galaxy Sample

A. Szomoru, D. Weinberg & A. Fruchter, J. Knapen, J. van Gorkom, P. Guhathakurta

arxiv:astro-ph/9404058 v1 · 1994-04-22 · 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{C4GVVOQXROO4BASCFUVTDZ5USV}

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	2026-07-04T15:56:05.116463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170d5aba178b9dc082422d2b31e7b4954d1ce2d735c99542ef5a584b4648327f

Aliases

arxiv: astro-ph/9404058 · arxiv_version: astro-ph/9404058v1 · doi: 10.48550/arxiv.astro-ph/9404058 · pith_short_12: C4GVVOQXROO4 · pith_short_16: C4GVVOQXROO4BASC · pith_short_8: C4GVVOQX

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/C4GVVOQXROO4BASCFUVTDZ5USV \
  | 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: 170d5aba178b9dc082422d2b31e7b4954d1ce2d735c99542ef5a584b4648327f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa939cd282e779acbebb8fa8bb8a5deb851cd147a54c572dd5b250613442e1dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-04-22T19:13:30Z",
    "title_canon_sha256": "2e20ee52ee47cb6fa8cd555b365b0d252ce0db0f1e35fb45bf2ff0dee66549d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9404058",
    "kind": "arxiv",
    "version": 1
  }
}