Pith Number

pith:ZHZQUU7W

pith:2019:ZHZQUU7WOTF4H4I2RQJPUFANMW

not attested not anchored not stored refs pending

An introduction to Mathieu subspaces

Arno van den Essen

arxiv:1907.06107 v1 · 2019-07-13 · math.AC · 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{ZHZQUU7WOTF4H4I2RQJPUFANMW}

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	2026-05-17T23:40:42.411442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f30a53f674cbc3f11a8c12fa140d65bf0403f79e6f92d2786ffe6945d8922a

Aliases

arxiv: 1907.06107 · arxiv_version: 1907.06107v1 · doi: 10.48550/arxiv.1907.06107 · pith_short_12: ZHZQUU7WOTF4 · pith_short_16: ZHZQUU7WOTF4H4I2 · pith_short_8: ZHZQUU7W

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/ZHZQUU7WOTF4H4I2RQJPUFANMW \
  | 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: c9f30a53f674cbc3f11a8c12fa140d65bf0403f79e6f92d2786ffe6945d8922a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa564cd7f9d530aa6a5120f00029f574bc5ddc17563cf21bc17b09d75eef82a",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-07-13T16:59:48Z",
    "title_canon_sha256": "e6f0e23086a5409c9903ffd00fcc203cf06efc12035e7380d6bbae48f5ab4ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06107",
    "kind": "arxiv",
    "version": 1
  }
}