Pith Number

pith:47AUBJVX

pith:2016:47AUBJVX6L5NGZ3BNESZSPRISD

not attested not anchored not stored refs pending

Characterizing classes of regular languages using prefix codes of bounded synchronization delay

Tobias Walter, Volker Diekert

arxiv:1602.08981 v1 · 2016-02-29 · 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{47AUBJVX6L5NGZ3BNESZSPRISD}

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	2026-05-18T01:19:51.545509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c140a6b7f2fad367616925993e2890c974f6cae41afa3d6ff552215bee7019

Aliases

arxiv: 1602.08981 · arxiv_version: 1602.08981v1 · doi: 10.48550/arxiv.1602.08981 · pith_short_12: 47AUBJVX6L5N · pith_short_16: 47AUBJVX6L5NGZ3B · pith_short_8: 47AUBJVX

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/47AUBJVX6L5NGZ3BNESZSPRISD \
  | 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: e7c140a6b7f2fad367616925993e2890c974f6cae41afa3d6ff552215bee7019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407ca686f507253c16e861355df2371281461c2e4e202a372270387b7a8987e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-02-29T14:36:48Z",
    "title_canon_sha256": "e58516bedec23e8258f8db6fff9d1db9b7a2be9d9b25f9ce677e28f7231d8ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08981",
    "kind": "arxiv",
    "version": 1
  }
}