Pith Number

pith:3O32MHME

pith:2010:3O32MHME2CV5P7MWZSZULHQGQT

not attested not anchored not stored refs pending

Open clusters and the galactic disk

Anatoly E. Piskunov, Elena Schilbach, Hans Zinnecker, Nina V. Kharchenko, Ralf-Dieter Scholz, Siegfried Roeser

arxiv:1004.2494 v1 · 2010-04-14 · 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{3O32MHME2CV5P7MWZSZULHQGQT}

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	2026-05-18T02:08:05.505608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb7a61d84d0abd7fd96ccb3459e0684e412fd5ea0f200b83d449034c0d4f1f2

Aliases

arxiv: 1004.2494 · arxiv_version: 1004.2494v1 · doi: 10.48550/arxiv.1004.2494 · pith_short_12: 3O32MHME2CV5 · pith_short_16: 3O32MHME2CV5P7MW · pith_short_8: 3O32MHME

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/3O32MHME2CV5P7MWZSZULHQGQT \
  | 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: dbb7a61d84d0abd7fd96ccb3459e0684e412fd5ea0f200b83d449034c0d4f1f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82349cd1044edd7673d2380d6591bf7f04cc21640c290b9d611d51f60ae28050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-14T20:03:21Z",
    "title_canon_sha256": "11e151959f0501a2f49d9fd861681edec6d226896c3de4b86ecfcec08f003ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2494",
    "kind": "arxiv",
    "version": 1
  }
}