Pith Number

pith:FJJ2LYGA

pith:2009:FJJ2LYGATD2B2Y62NKX2ZVKAJW

not attested not anchored not stored refs pending

Search for corannulene (C20H10) in the Red Rectangle

B. D. Steinberg, C. Joblin, D. Herberth, G. Malloci, G. Mulas, J. U. Grabow, K. R. Curtis, L. Surin, L. T. Scott, M. Gerin, P. Pilleri, S. Brunken, T. F. Giesen

arxiv:0905.1845 v2 · 2009-05-12 · 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{FJJ2LYGATD2B2Y62NKX2ZVKAJW}

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	2026-05-18T02:13:45.474417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a53a5e0c098f41d63da6aafacd5404da36027192654883fac071294f4097362

Aliases

arxiv: 0905.1845 · arxiv_version: 0905.1845v2 · doi: 10.48550/arxiv.0905.1845 · pith_short_12: FJJ2LYGATD2B · pith_short_16: FJJ2LYGATD2B2Y62 · pith_short_8: FJJ2LYGA

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/FJJ2LYGATD2B2Y62NKX2ZVKAJW \
  | 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: 2a53a5e0c098f41d63da6aafacd5404da36027192654883fac071294f4097362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1a3004f460492b17165d4ee5a4811e10c0efce46c70543381ee1e2221d7620",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-12T13:44:08Z",
    "title_canon_sha256": "c5b58f158a3c193958a237f06135b7e2fdb67efc116e6b1ad5027da3a995daff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1845",
    "kind": "arxiv",
    "version": 2
  }
}