Pith Number

pith:BMGKNJQA

pith:2014:BMGKNJQAXG5PADMPU7TGRTPZWU

not attested not anchored not stored refs pending

Equations over free inverse monoids with idempotent variables

Florent Martin, Geraud Senizergues, Pedro V. Silva, Volker Diekert

arxiv:1412.4737 v2 · 2014-12-11 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMGKNJQAXG5PADMPU7TGRTPZWU}

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	2026-05-18T01:32:08.300614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0ca6a600b9baf00d8fa7e668cdf9b53363056132a61491a47306befa28e868

Aliases

arxiv: 1412.4737 · arxiv_version: 1412.4737v2 · doi: 10.48550/arxiv.1412.4737 · pith_short_12: BMGKNJQAXG5P · pith_short_16: BMGKNJQAXG5PADMP · pith_short_8: BMGKNJQA

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/BMGKNJQAXG5PADMPU7TGRTPZWU \
  | 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: 0b0ca6a600b9baf00d8fa7e668cdf9b53363056132a61491a47306befa28e868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e7e068207f2205062cdd49b7379fb2a9da714a2d2b7115ba55442f33b220b50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-11T17:01:12Z",
    "title_canon_sha256": "df35a6eec8bb3b241f49c273006e600f0257b33437397e6b54325b9353e96ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4737",
    "kind": "arxiv",
    "version": 2
  }
}