Pith Number

pith:SECLJLZZ

pith:2009:SECLJLZZQ4IAD55KZVVGUIWLCY

not attested not anchored not stored refs pending

An invitation to model-theoretic Galois theory

Alice Medvedev, Ramin Takloo-Bighash

arxiv:0909.4340 v3 · 2009-09-24 · math.LO · math.AC · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SECLJLZZQ4IAD55KZVVGUIWLCY}

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	2026-05-18T04:42:01.950476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9104b4af39871001f7aacd6a6a22cb16207ae5b754fce94bdeb899294e0cfeba

Aliases

arxiv: 0909.4340 · arxiv_version: 0909.4340v3 · doi: 10.48550/arxiv.0909.4340 · pith_short_12: SECLJLZZQ4IA · pith_short_16: SECLJLZZQ4IAD55K · pith_short_8: SECLJLZZ

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/SECLJLZZQ4IAD55KZVVGUIWLCY \
  | 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: 9104b4af39871001f7aacd6a6a22cb16207ae5b754fce94bdeb899294e0cfeba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6821591d7a7d3cd4bf9fe75f47a68b5dea2d7487207d0539d4b7d86e79f6707f",
    "cross_cats_sorted": [
      "math.AC",
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-09-24T00:35:37Z",
    "title_canon_sha256": "7064b6a2c67fe21898b37a4342637c3e4a7dbbbb21f764431670cfb8abd5cbf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4340",
    "kind": "arxiv",
    "version": 3
  }
}