Pith Number

pith:WWPQJ3I6

pith:2010:WWPQJ3I6DMXMZVHQSL77GVZPXE

not attested not anchored not stored refs pending

Statistical studies of Galactic open clusters I. Structural and basic astrophysical parameters

A. Strobel, G. Maciejewski, L. Bukowiecki, P. Konorski

arxiv:1012.1627 v2 · 2010-12-07 · astro-ph.SR · 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{WWPQJ3I6DMXMZVHQSL77GVZPXE}

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	2026-05-18T04:20:38.256055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b59f04ed1e1b2eccd4f092fff3572fb915e347ccd653f63f11e1b0507c3d8426

Aliases

arxiv: 1012.1627 · arxiv_version: 1012.1627v2 · doi: 10.48550/arxiv.1012.1627 · pith_short_12: WWPQJ3I6DMXM · pith_short_16: WWPQJ3I6DMXMZVHQ · pith_short_8: WWPQJ3I6

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/WWPQJ3I6DMXMZVHQSL77GVZPXE \
  | 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: b59f04ed1e1b2eccd4f092fff3572fb915e347ccd653f63f11e1b0507c3d8426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6363999535bed01e517bb854fdc06d66dc39c2ab1ad600a7acf7907a0d4a2cb2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-07T22:08:06Z",
    "title_canon_sha256": "443affdd063551563169bfaadddf9b6d0eca79bc3a6321766e82f641f9565167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1627",
    "kind": "arxiv",
    "version": 2
  }
}