Pith Number

pith:OQPOM4ZK

pith:2016:OQPOM4ZK73K5A2C5ND2PT43ZPU

not attested not anchored not stored refs pending

Witt equivalence of function fields of curves over local fields

Murray Marshall, Pawe{\l} G{\l}adki

arxiv:1601.08085 v2 · 2016-01-29 · 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{OQPOM4ZK73K5A2C5ND2PT43ZPU}

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	2026-05-18T01:16:24.337179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741ee6732afed5d0685d68f4f9f3797d138757f57a5b3c714fa6e342061efd74

Aliases

arxiv: 1601.08085 · arxiv_version: 1601.08085v2 · doi: 10.48550/arxiv.1601.08085 · pith_short_12: OQPOM4ZK73K5 · pith_short_16: OQPOM4ZK73K5A2C5 · pith_short_8: OQPOM4ZK

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/OQPOM4ZK73K5A2C5ND2PT43ZPU \
  | 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: 741ee6732afed5d0685d68f4f9f3797d138757f57a5b3c714fa6e342061efd74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cfe94d53f21ac1949d6268b9b43986de8b4ca60fa1557d94b4a6cefe1faad15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-01-29T12:59:22Z",
    "title_canon_sha256": "59ab982722d790e9790509979f562632fa22fd3682ee21dd7a34db2fafdfffd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08085",
    "kind": "arxiv",
    "version": 2
  }
}