Pith Number

pith:32ZCF23Z

pith:2010:32ZCF23ZSQCTFZQKT74OV6RLWX

not attested not anchored not stored refs pending

CCD time-series photometry of the globular cluster NGC 6981: Variable star census and physical parameter estimates

A. Arellano Ferro, D.M. Bramich, R. Figuera Jaimes, Sunetra Giridhar

arxiv:1012.5652 v1 · 2010-12-27 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32ZCF23ZSQCTFZQKT74OV6RLWX}

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	2026-05-18T02:04:17.429815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deb222eb79940532e60a9ff8eafa2bb5d846664ceb8a1b902c22e08884150fc4

Aliases

arxiv: 1012.5652 · arxiv_version: 1012.5652v1 · doi: 10.48550/arxiv.1012.5652 · pith_short_12: 32ZCF23ZSQCT · pith_short_16: 32ZCF23ZSQCTFZQK · pith_short_8: 32ZCF23Z

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/32ZCF23ZSQCTFZQKT74OV6RLWX \
  | 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: deb222eb79940532e60a9ff8eafa2bb5d846664ceb8a1b902c22e08884150fc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5660210496eaed2ee3510af73c6b9d14a22a64784056d7a5c0e78cc0ed5cfb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-27T19:55:42Z",
    "title_canon_sha256": "d551433f5e9756fa81b10df17bd3abe4d03779bc8260b85a6b3e1c84228a21a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5652",
    "kind": "arxiv",
    "version": 1
  }
}