Pith Number

pith:ZWUHX26I

pith:2014:ZWUHX26ILGJFL6XTACPYYMMDAP

not attested not anchored not stored refs pending

Matrix Canonical Forms

S. Gill Williamson

arxiv:1407.5130 v1 · 2014-07-18 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWUHX26ILGJFL6XTACPYYMMDAP}

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	2026-05-18T02:47:14.874732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cda87bebc8599255faf3009f8c318303cce50b312b1f5f349d90e638950d413d

Aliases

arxiv: 1407.5130 · arxiv_version: 1407.5130v1 · doi: 10.48550/arxiv.1407.5130 · pith_short_12: ZWUHX26ILGJF · pith_short_16: ZWUHX26ILGJFL6XT · pith_short_8: ZWUHX26I

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/ZWUHX26ILGJFL6XTACPYYMMDAP \
  | 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: cda87bebc8599255faf3009f8c318303cce50b312b1f5f349d90e638950d413d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca80a72352f5f2ab2fed247898b6f7efc993a74ac889ad26e2fed740cdcb788",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-07-18T22:45:18Z",
    "title_canon_sha256": "8b66baa8302a292fef503e39da6a8079e8fdce2353e9fd07ee844bffe9cda021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5130",
    "kind": "arxiv",
    "version": 1
  }
}