Pith Number

pith:VCJCYHAZ

pith:2013:VCJCYHAZRRGSJXZPROZQOVLIXF

not attested not anchored not stored refs pending

Finding galaxies with unusual HI content

B\"arbel S. Koribalski, Helga D\'enes, Virginia A. Kilborn

arxiv:1312.2685 v1 · 2013-12-10 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCJCYHAZRRGSJXZPROZQOVLIXF}

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	2026-05-18T02:49:30.689349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8922c1c198c4d24df2f8bb3075568b950e2ba4eb5acdc8015ae3532253a45d4

Aliases

arxiv: 1312.2685 · arxiv_version: 1312.2685v1 · doi: 10.48550/arxiv.1312.2685 · pith_short_12: VCJCYHAZRRGS · pith_short_16: VCJCYHAZRRGSJXZP · pith_short_8: VCJCYHAZ

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/VCJCYHAZRRGSJXZPROZQOVLIXF \
  | 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: a8922c1c198c4d24df2f8bb3075568b950e2ba4eb5acdc8015ae3532253a45d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d2b5779566817bf50deb0e5c94ec7c142d16db3becff0cd67ba73528071b63",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-10T06:50:27Z",
    "title_canon_sha256": "4be4a5c55e8031be83f672f65d668e9e8d8a472bfaaa07ce07e243663755537f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2685",
    "kind": "arxiv",
    "version": 1
  }
}