Pith Number

pith:FPLVAEIV

pith:2008:FPLVAEIVW7GIYZSHYP3FRRJNC3

not attested not anchored not stored refs pending

Structure of Ann-categories

Nguyen Tien Quang

arxiv:0805.1505 v5 · 2008-05-11 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPLVAEIVW7GIYZSHYP3FRRJNC3}

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	2026-05-18T03:13:22.229747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd7501115b7cc8c6647c3f658c52d16e98d18852034934ef4235d076077b3de

Aliases

arxiv: 0805.1505 · arxiv_version: 0805.1505v5 · doi: 10.48550/arxiv.0805.1505 · pith_short_12: FPLVAEIVW7GI · pith_short_16: FPLVAEIVW7GIYZSH · pith_short_8: FPLVAEIV

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/FPLVAEIVW7GIYZSHYP3FRRJNC3 \
  | 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: 2bd7501115b7cc8c6647c3f658c52d16e98d18852034934ef4235d076077b3de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42eca3e40bc7561c1841298cbf83f4e721079ae5f0800c8b47c3aa15751ff192",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2008-05-11T02:51:02Z",
    "title_canon_sha256": "b95e483068922062158fa0153e1418b35b04669cf8de6ebf7873a80ae441f757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1505",
    "kind": "arxiv",
    "version": 5
  }
}