Pith Number

pith:N6UHYQRI

pith:2013:N6UHYQRIIKGHQG4QJP5S7L4CPC

not attested not anchored not stored refs pending

Implementing Computations in Automaton (Semi)groups

Ines Klimann, Jean Mairesse, Matthieu Picantin

arxiv:1310.4856 v1 · 2013-10-17 · cs.FL · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6UHYQRIIKGHQG4QJP5S7L4CPC}

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	2026-05-18T03:10:02.464393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa87c4228428c781b904bfb2faf8278b0ac489ceb9dabf45386a66cfbd152ca

Aliases

arxiv: 1310.4856 · arxiv_version: 1310.4856v1 · doi: 10.48550/arxiv.1310.4856 · pith_short_12: N6UHYQRIIKGH · pith_short_16: N6UHYQRIIKGHQG4Q · pith_short_8: N6UHYQRI

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/N6UHYQRIIKGHQG4QJP5S7L4CPC \
  | 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: 6fa87c4228428c781b904bfb2faf8278b0ac489ceb9dabf45386a66cfbd152ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3391b298c7151284f3e2805a963d2bcb76f3aeb226972be2f6ddc13b5b97d09b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-10-17T21:01:37Z",
    "title_canon_sha256": "592f3dbc30a73a9aa2d0eb07803a00b9c211205d4e8cb15aa80832543f1ef463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4856",
    "kind": "arxiv",
    "version": 1
  }
}