Pith Number

pith:OBJRP5TQ

pith:2010:OBJRP5TQ73NFOJRQ6GLE5ADQ5E

not attested not anchored not stored refs pending

Fitting Isochrones to Open Cluster photometric data: A new global optimization tool

H. Monteiro, T. C. Caetano, W. S. Dias

arxiv:1003.4230 v1 · 2010-03-22 · astro-ph.IM · 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{OBJRP5TQ73NFOJRQ6GLE5ADQ5E}

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	2026-05-18T02:08:24.542854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705317f670feda572630f1964e8070e93656bf4a2beef072ed1de62b7fc123cd

Aliases

arxiv: 1003.4230 · arxiv_version: 1003.4230v1 · doi: 10.48550/arxiv.1003.4230 · pith_short_12: OBJRP5TQ73NF · pith_short_16: OBJRP5TQ73NFOJRQ · pith_short_8: OBJRP5TQ

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/OBJRP5TQ73NFOJRQ6GLE5ADQ5E \
  | 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: 705317f670feda572630f1964e8070e93656bf4a2beef072ed1de62b7fc123cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d29cbf57f76940ec36804a24fb0817a671bf1805b8e47fea2ae8260e0b1729",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-03-22T18:08:57Z",
    "title_canon_sha256": "89977a100e98591da09eed588263b43e979340c02ca560dd7d16c5976f155394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4230",
    "kind": "arxiv",
    "version": 1
  }
}