Pith Number

pith:QEY3LLY3

pith:2010:QEY3LLY3VM5VR3WCZWHWQYNO2U

not attested not anchored not stored refs pending

Artin-Schreier extensions in NIP and simple fields

Frank O. Wagner, Itay Kaplan, Thomas Scanlon

arxiv:1009.5421 v1 · 2010-09-28 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEY3LLY3VM5VR3WCZWHWQYNO2U}

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	2026-05-18T04:40:10.023111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8131b5af1bab3b58eec2cd8f6861aed531b95141a2abccecc8902ff96ff80202

Aliases

arxiv: 1009.5421 · arxiv_version: 1009.5421v1 · doi: 10.48550/arxiv.1009.5421 · pith_short_12: QEY3LLY3VM5V · pith_short_16: QEY3LLY3VM5VR3WC · pith_short_8: QEY3LLY3

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/QEY3LLY3VM5VR3WCZWHWQYNO2U \
  | 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: 8131b5af1bab3b58eec2cd8f6861aed531b95141a2abccecc8902ff96ff80202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe2c8738c23f497ae26287b031959f5defadbf925c1b9060f4893fac49b88b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-09-28T01:12:27Z",
    "title_canon_sha256": "34ca3ac8cc35a264d0e9d30658445b95ad3933fdd80c2fbe81274f7381dd963c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5421",
    "kind": "arxiv",
    "version": 1
  }
}