Pith Number

pith:QFZI2LT5

pith:2015:QFZI2LT5K4RGKBGXH5VSB32HYK

not attested not anchored not stored refs pending

Witt equivalence of function fields over global fields

Murray Marshall, Pawel Gladki

arxiv:1502.00830 v2 · 2015-02-03 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFZI2LT5K4RGKBGXH5VSB32HYK}

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	2026-05-18T01:21:40.799917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81728d2e7d57226504d73f6b20ef47c29cb5bc6b5c1e9f555818691692441fc5

Aliases

arxiv: 1502.00830 · arxiv_version: 1502.00830v2 · doi: 10.48550/arxiv.1502.00830 · pith_short_12: QFZI2LT5K4RG · pith_short_16: QFZI2LT5K4RGKBGX · pith_short_8: QFZI2LT5

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/QFZI2LT5K4RGKBGXH5VSB32HYK \
  | 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: 81728d2e7d57226504d73f6b20ef47c29cb5bc6b5c1e9f555818691692441fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd93806d15ef4043b8e2a3a141a951002f7a39bcd81a338cbf31b81136d405f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-02-03T12:14:26Z",
    "title_canon_sha256": "832be65a6bd29b4d23d5af8ea60a3a6cf1068eb9db3a7638733719848182cd2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00830",
    "kind": "arxiv",
    "version": 2
  }
}