Pith Number

pith:O24XT3DW

pith:2010:O24XT3DWMCP3U3MW2ZH63CNOC7

not attested not anchored not stored refs pending

Free inductive K-semialgebras

Werner Kuich, Zoltan Esik

arxiv:1009.4820 v2 · 2010-09-24 · 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{O24XT3DWMCP3U3MW2ZH63CNOC7}

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	2026-05-18T04:28:08.052984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b979ec76609fba6d96d64fed89ae17dc8bcfd8abd49649bff5bda8a4240d79

Aliases

arxiv: 1009.4820 · arxiv_version: 1009.4820v2 · doi: 10.48550/arxiv.1009.4820 · pith_short_12: O24XT3DWMCP3 · pith_short_16: O24XT3DWMCP3U3MW · pith_short_8: O24XT3DW

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/O24XT3DWMCP3U3MW2ZH63CNOC7 \
  | 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: 76b979ec76609fba6d96d64fed89ae17dc8bcfd8abd49649bff5bda8a4240d79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d479265ca9a29474f1b24ac829f5d8233b831eb5ab77448eb488e9483b6c4e85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-09-24T12:27:07Z",
    "title_canon_sha256": "d8ac26eec40b0be0c582e5f86f0b6958c58f5b19d5a43704269e64187d3bb37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4820",
    "kind": "arxiv",
    "version": 2
  }
}