Pith Number

pith:NXPZPA5X

pith:2017:NXPZPA5XIGOYBS4WN5KDMWITHV

not attested not anchored not stored refs pending

Completeness of the list of spinor regular ternary quadratic forms

A. G. Earnest, Anna Haensch

arxiv:1711.05811 v2 · 2017-11-15 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXPZPA5XIGOYBS4WN5KDMWITHV}

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	2026-05-17T23:53:12.597653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddf9783b7419d80cb966f543659133d685eecda02abbc8321c97393d953c5b4

Aliases

arxiv: 1711.05811 · arxiv_version: 1711.05811v2 · doi: 10.48550/arxiv.1711.05811 · pith_short_12: NXPZPA5XIGOY · pith_short_16: NXPZPA5XIGOYBS4W · pith_short_8: NXPZPA5X

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/NXPZPA5XIGOYBS4WN5KDMWITHV \
  | 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: 6ddf9783b7419d80cb966f543659133d685eecda02abbc8321c97393d953c5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845d5c874ba12cc65a9371d5227cebd8e2e16a78da65f12eb371cc2c200c3bd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-11-15T21:17:32Z",
    "title_canon_sha256": "302d914a903544bdd52d9f297edddc12ef12e227cc7fc23ec6cb404ed66b6e50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05811",
    "kind": "arxiv",
    "version": 2
  }
}