Pith Number

pith:P3K6PV3W

pith:2014:P3K6PV3WUWANI5NRTGZCVOUE5U

not attested not anchored not stored refs pending

Total linkage of quaternion algebras and Pfister forms in characteristic two

Adam Chapman, Ahmed Laghribi, Andrew Dolphin

arxiv:1403.6682 v3 · 2014-03-26 · 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{P3K6PV3WUWANI5NRTGZCVOUE5U}

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	2026-05-18T01:17:10.440694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed5e7d776a580d475b199b22aba84ed065d0970c53bc464e2c1cd602da004de

Aliases

arxiv: 1403.6682 · arxiv_version: 1403.6682v3 · doi: 10.48550/arxiv.1403.6682 · pith_short_12: P3K6PV3WUWAN · pith_short_16: P3K6PV3WUWANI5NR · pith_short_8: P3K6PV3W

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/P3K6PV3WUWANI5NRTGZCVOUE5U \
  | 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: 7ed5e7d776a580d475b199b22aba84ed065d0970c53bc464e2c1cd602da004de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9aea88f270596b43e69b3fa3d0a41281416acf33851809a32be988dff4f7140",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-03-26T14:10:38Z",
    "title_canon_sha256": "88589172b13d54860396cdb2ac8eb23513b8be5bcd50e6e8fad01f7f43dc697a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6682",
    "kind": "arxiv",
    "version": 3
  }
}