Pith Number

pith:NKBNF7WZ

pith:2009:NKBNF7WZHWCPUBQTYGLVKV273T

not attested not anchored not stored refs pending

Model theory and the Tannakian formalism

Moshe Kamensky

arxiv:0908.0604 v3 · 2009-08-05 · math.LO · math.CT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKBNF7WZHWCPUBQTYGLVKV273T}

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	2026-05-18T04:33:15.975354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a82d2fed93d84fa0613c19755575fdcdc89a49dc2f35d30b90c507085e83285

Aliases

arxiv: 0908.0604 · arxiv_version: 0908.0604v3 · doi: 10.48550/arxiv.0908.0604 · pith_short_12: NKBNF7WZHWCP · pith_short_16: NKBNF7WZHWCPUBQT · pith_short_8: NKBNF7WZ

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/NKBNF7WZHWCPUBQTYGLVKV273T \
  | 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: 6a82d2fed93d84fa0613c19755575fdcdc89a49dc2f35d30b90c507085e83285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12fa10148e3b4772e60496049418ad237bbf7c4edaaf55833ef9fb28bfde468e",
    "cross_cats_sorted": [
      "math.CT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-08-05T14:01:10Z",
    "title_canon_sha256": "0799a51a87e0e288f186b64b784c1e877d73eb6c99e159b5e52678108a858357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0604",
    "kind": "arxiv",
    "version": 3
  }
}