Pith Number

pith:XZKKTZT3

pith:2011:XZKKTZT34BBFZCFG5F4PJUCPFB

not attested not anchored not stored refs pending

Do all O stars form in star clusters?

Carsten Weidner, Jan Pflamm-Altenburg, Pavel Kroupa, Vasilii V. Gvaramadze

arxiv:1111.0294 v1 · 2011-11-01 · astro-ph.GA · 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{XZKKTZT34BBFZCFG5F4PJUCPFB}

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	2026-05-18T04:09:45.328305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be54a9e67be0425c88a6e978f4d04f285898a663813091e609b7746db59aee1a

Aliases

arxiv: 1111.0294 · arxiv_version: 1111.0294v1 · doi: 10.48550/arxiv.1111.0294 · pith_short_12: XZKKTZT34BBF · pith_short_16: XZKKTZT34BBFZCFG · pith_short_8: XZKKTZT3

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/XZKKTZT34BBFZCFG5F4PJUCPFB \
  | 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: be54a9e67be0425c88a6e978f4d04f285898a663813091e609b7746db59aee1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe094da8f952e401d2d42559bb7c5b9c154c84008bb4ca9fa8d5d3e1beaa24e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-01T20:00:02Z",
    "title_canon_sha256": "d1ad0e969b2f9c4bd97a841e1093f879426cc381113ea6587e9ebb59676cb389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0294",
    "kind": "arxiv",
    "version": 1
  }
}