Pith Number

pith:EIQZWZUT

pith:2013:EIQZWZUTF2TB7PWOR7QC4Y23YK

not attested not anchored not stored refs pending

Higher genus universally decodable matrices (UDMG)

David Grant, Mahesh K. Varanasi, Steve Limburg

arxiv:1301.6117 v1 · 2013-01-25 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIQZWZUTF2TB7PWOR7QC4Y23YK}

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	2026-05-18T03:35:27.052062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22219b66932ea61fbece8fe02e635bc2b2ad1ee3da92e8648bfd2f26062b256c

Aliases

arxiv: 1301.6117 · arxiv_version: 1301.6117v1 · doi: 10.48550/arxiv.1301.6117 · pith_short_12: EIQZWZUTF2TB · pith_short_16: EIQZWZUTF2TB7PWO · pith_short_8: EIQZWZUT

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/EIQZWZUTF2TB7PWOR7QC4Y23YK \
  | 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: 22219b66932ea61fbece8fe02e635bc2b2ad1ee3da92e8648bfd2f26062b256c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1361a35a5032ad6753fc2d378c68e08a58474e47c9b5327e36bf742d5d628060",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-25T18:39:39Z",
    "title_canon_sha256": "2385778b6408e07e50e0216e1cd7bba441dbafe009c9a77c0b6a31771103c1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6117",
    "kind": "arxiv",
    "version": 1
  }
}