Pith Number

pith:4UU7ZXWV

pith:2013:4UU7ZXWVXLPZSJAH7UNV4MSZOO

not attested not anchored not stored refs pending

Properties and origin of the old, metal rich, star cluster, NGC 6791

Chile), Giovanni Carraro (ESO

arxiv:1308.5195 v1 · 2013-08-23 · 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{4UU7ZXWVXLPZSJAH7UNV4MSZOO}

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	2026-05-18T03:15:07.847207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e529fcded5badf992407fd1b5e325973891f3468f76fee32e90a2b13f6f4844f

Aliases

arxiv: 1308.5195 · arxiv_version: 1308.5195v1 · doi: 10.48550/arxiv.1308.5195 · pith_short_12: 4UU7ZXWVXLPZ · pith_short_16: 4UU7ZXWVXLPZSJAH · pith_short_8: 4UU7ZXWV

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/4UU7ZXWVXLPZSJAH7UNV4MSZOO \
  | 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: e529fcded5badf992407fd1b5e325973891f3468f76fee32e90a2b13f6f4844f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5f303cf35b26c3d3ed94aac78fff196b8980ae3d6207f2a897787a1ad72dc02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-23T18:20:34Z",
    "title_canon_sha256": "a6bab1bee76d4b98f8a02606e7b1294cd14bc7506eb4c67e5e65d3c042294d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5195",
    "kind": "arxiv",
    "version": 1
  }
}