Pith Number

pith:FPM26WJL

pith:2018:FPM26WJLS4HFLXMZYDTZJJV7VB

not attested not anchored not stored refs pending

Numerical computation of endomorphism rings

Alexandre Zotine, Jeroen Sijsling, Nils Bruin

arxiv:1807.02605 v2 · 2018-07-07 · math.NT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPM26WJLS4HFLXMZYDTZJJV7VB}

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	2026-05-17T23:43:33.271220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd9af592b970e55dd99c0e794a6bfa848cdba91778738e73b1273da983a022e

Aliases

arxiv: 1807.02605 · arxiv_version: 1807.02605v2 · doi: 10.48550/arxiv.1807.02605 · pith_short_12: FPM26WJLS4HF · pith_short_16: FPM26WJLS4HFLXMZ · pith_short_8: FPM26WJL

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/FPM26WJLS4HFLXMZYDTZJJV7VB \
  | 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: 2bd9af592b970e55dd99c0e794a6bfa848cdba91778738e73b1273da983a022e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b285524a12b2b1c634f24052bf3ad4f938adcdf6a508a4288e6bdba2c42309da",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-07-07T02:21:55Z",
    "title_canon_sha256": "4e0d9da13005e099ec576e17a5c53ecca4dadf355751bf848d1295d924f6dd60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02605",
    "kind": "arxiv",
    "version": 2
  }
}