Pith Number

pith:WUZB35FY

pith:2011:WUZB35FYNSU6FVDCYHG5NRDEO6

not attested not anchored not stored refs pending

Lessons learnt in building VO resources: binding together several VO standards into an operational service

Francois Bonnarel, Igor Chilingarian, Mireille Louys, Pierre Le Sidaner

arxiv:1112.5192 v1 · 2011-12-21 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUZB35FYNSU6FVDCYHG5NRDEO6}

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	2026-05-18T04:05:48.070926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5321df4b86ca9e2d462c1cdd6c46477bf1f26315e0d9ecc860c921b4e9e4df3

Aliases

arxiv: 1112.5192 · arxiv_version: 1112.5192v1 · doi: 10.48550/arxiv.1112.5192 · pith_short_12: WUZB35FYNSU6 · pith_short_16: WUZB35FYNSU6FVDC · pith_short_8: WUZB35FY

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/WUZB35FYNSU6FVDCYHG5NRDEO6 \
  | 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: b5321df4b86ca9e2d462c1cdd6c46477bf1f26315e0d9ecc860c921b4e9e4df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86738a2dcdcd4da6e00b045c04434042a1d07de9e1a61580346668f8a5ca476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-21T22:20:34Z",
    "title_canon_sha256": "22bda6836ab78018fb9b27db4665c08adb70c499172d7d6a5a046ef50157af88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5192",
    "kind": "arxiv",
    "version": 1
  }
}