Pith Number

pith:QYEJ2W7V

pith:2018:QYEJ2W7V3VVRYJETAQUQHTJGGI

not attested not anchored not stored refs pending

Identities in unitriangular and gossip monoids

Marianne Johnson, Peter Fenner

arxiv:1804.11100 v1 · 2018-04-30 · 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{QYEJ2W7V3VVRYJETAQUQHTJGGI}

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	2026-05-18T00:17:14.598572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86089d5bf5dd6b1c2493042903cd26322d06c48d3cd6504e7d3b994792454dc3

Aliases

arxiv: 1804.11100 · arxiv_version: 1804.11100v1 · doi: 10.48550/arxiv.1804.11100 · pith_short_12: QYEJ2W7V3VVR · pith_short_16: QYEJ2W7V3VVRYJET · pith_short_8: QYEJ2W7V

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/QYEJ2W7V3VVRYJETAQUQHTJGGI \
  | 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: 86089d5bf5dd6b1c2493042903cd26322d06c48d3cd6504e7d3b994792454dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b210efeb4587a3402be54f22eac79bbcad086d420733c4b41f188e729d447038",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-04-30T09:40:40Z",
    "title_canon_sha256": "a072b482c7b51a811cea15416c2dddac7c946780546e0969000b186b02825c49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11100",
    "kind": "arxiv",
    "version": 1
  }
}