Pith Number

pith:WIVYA4GN

pith:2024:WIVYA4GN6SJIJRWHRF7YIPLMGF

not attested not anchored not stored refs pending

On Computational Completeness of Semi-Conditional Matrix Grammars

Henning Fernau, Indhumathi Raman, Lakshmanan Kuppusamy

arxiv:2411.15338 v1 · 2024-11-22 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIVYA4GN6SJIJRWHRF7YIPLMGF}

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	2026-07-05T09:39:33.431928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b22b8070cdf49284c6c7897f843d6c316c08abbaf7a209b96af4c565af8c1c52

Aliases

arxiv: 2411.15338 · arxiv_version: 2411.15338v1 · doi: 10.48550/arxiv.2411.15338 · pith_short_12: WIVYA4GN6SJI · pith_short_16: WIVYA4GN6SJIJRWH · pith_short_8: WIVYA4GN

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/WIVYA4GN6SJIJRWHRF7YIPLMGF \
  | 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: b22b8070cdf49284c6c7897f843d6c316c08abbaf7a209b96af4c565af8c1c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94efe0a724ed2b56f023966b8799e2bf27735288138e7b30eece97931c635bef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2024-11-22T20:38:09Z",
    "title_canon_sha256": "4dfdf0a8638a6e9275d552199b0e9b1ed03bf13d6ff391ab993faac61ceae2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15338",
    "kind": "arxiv",
    "version": 1
  }
}