Pith Number

pith:K55OOAYW

pith:2017:K55OOAYWTXRHHMT25A73HR5WM2

not attested not anchored not stored refs pending

Common Slots of Bilinear and Quadratic Pfister Forms

Adam Chapman

arxiv:1712.10178 v2 · 2017-12-29 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K55OOAYWTXRHHMT25A73HR5WM2}

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	2026-05-18T00:22:18.381746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577ae703169de273b27ae83fb3c7b66682fd8ea4b462feff4da305de63431bea

Aliases

arxiv: 1712.10178 · arxiv_version: 1712.10178v2 · doi: 10.48550/arxiv.1712.10178 · pith_short_12: K55OOAYWTXRH · pith_short_16: K55OOAYWTXRHHMT2 · pith_short_8: K55OOAYW

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/K55OOAYWTXRHHMT25A73HR5WM2 \
  | 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: 577ae703169de273b27ae83fb3c7b66682fd8ea4b462feff4da305de63431bea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7826497bad75d79b35e8d8fa5f312d45dce09c37993c41a6dca0afaf9d862c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-12-29T10:50:49Z",
    "title_canon_sha256": "f5882a877a596a3b88fe83cc5cb3943a2391e71d964656f88afa072ae87de297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10178",
    "kind": "arxiv",
    "version": 2
  }
}