Pith Number

pith:VWYVPZED

pith:2009:VWYVPZEDU5XQXXIRP65WDKUDSI

not attested not anchored not stored refs pending

Uncovering the kiloparsec-scale stellar ring of NGC5128

A. Amorim, F. D. Santos, J. Ascenso, J. F. Alves, J. Lima, J. M. Kainulainen, J. Pinhao, J. Rebordao, J. T. Kainulainen, R. Marques, Y. Beletsky

arxiv:0906.3521 v1 · 2009-06-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWYVPZEDU5XQXXIRP65WDKUDSI}

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	2026-05-18T02:13:18.980679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adb157e483a76f0bdd117fbb61aa83920f23990674421aad2934fff86d3d418f

Aliases

arxiv: 0906.3521 · arxiv_version: 0906.3521v1 · doi: 10.48550/arxiv.0906.3521 · pith_short_12: VWYVPZEDU5XQ · pith_short_16: VWYVPZEDU5XQXXIR · pith_short_8: VWYVPZED

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/VWYVPZEDU5XQXXIRP65WDKUDSI \
  | 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: adb157e483a76f0bdd117fbb61aa83920f23990674421aad2934fff86d3d418f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2eb29fca8c05b0aaf05c121d194a8609849d346e9028895c174ec4638a7ea05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-19T19:47:48Z",
    "title_canon_sha256": "4efe07f997d6fdf21f85abc1f0fe9021230733b23a75b74575c8ecc9418f535a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3521",
    "kind": "arxiv",
    "version": 1
  }
}