Pith Number

pith:7M4I33KD

pith:2017:7M4I33KDXU347XWTLMJNXWFDUA

not attested not anchored not stored refs pending

An even extremal lattice of rank 64

Ichiro Shimada

arxiv:1710.02629 v2 · 2017-10-07 · 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{7M4I33KDXU347XWTLMJNXWFDUA}

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	2026-05-18T00:16:50.525603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb388ded43bd37cfded35b12dbd8a3a010ca408cd23a3e265827777d028843cc

Aliases

arxiv: 1710.02629 · arxiv_version: 1710.02629v2 · doi: 10.48550/arxiv.1710.02629 · pith_short_12: 7M4I33KDXU34 · pith_short_16: 7M4I33KDXU347XWT · pith_short_8: 7M4I33KD

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/7M4I33KDXU347XWTLMJNXWFDUA \
  | 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: fb388ded43bd37cfded35b12dbd8a3a010ca408cd23a3e265827777d028843cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4994ce9c14853f195dbd76f3aacacfd6f6370f125f01bbe6c13193fea41b929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-10-07T03:56:33Z",
    "title_canon_sha256": "4faa28347e4a290c8928f8a5e12683aacee855184cd817ce2985fa2b28e34939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02629",
    "kind": "arxiv",
    "version": 2
  }
}