Pith Number

pith:2HUM3BXC

pith:2013:2HUM3BXCDAN4V6XBKUEZD52QFF

not attested not anchored not stored refs pending

The Variety Generated by A(T) -- Two Counterexamples

Matthew Moore

arxiv:1304.4659 v2 · 2013-04-17 · 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{2HUM3BXCDAN4V6XBKUEZD52QFF}

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	2026-05-17T23:44:05.044199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e8cd86e2181bcafae1550991f750295e46864c59570d2bf5e0dd28760a4917

Aliases

arxiv: 1304.4659 · arxiv_version: 1304.4659v2 · doi: 10.48550/arxiv.1304.4659 · pith_short_12: 2HUM3BXCDAN4 · pith_short_16: 2HUM3BXCDAN4V6XB · pith_short_8: 2HUM3BXC

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/2HUM3BXCDAN4V6XBKUEZD52QFF \
  | 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: d1e8cd86e2181bcafae1550991f750295e46864c59570d2bf5e0dd28760a4917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea8704e25dd2cbf6441379e613fdd10fb5a9ba1465bce735b2e3ccbc736fe56d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-04-17T00:50:15Z",
    "title_canon_sha256": "73bbe6bb702c1ab912151e62ba9a51a6e6323d0df14029080fa19bac6895666d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4659",
    "kind": "arxiv",
    "version": 2
  }
}