Pith Number

pith:GQ2DTUZY

pith:2017:GQ2DTUZYRDIHW6DSL3YDWXDY6T

not attested not anchored not stored refs pending

The Intersection Problem for Finite Monoids

Lukas Fleischer, Manfred Kufleitner

arxiv:1711.08717 v2 · 2017-11-23 · 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{GQ2DTUZYRDIHW6DSL3YDWXDY6T}

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	2026-05-18T00:24:33.270691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343439d33888d07b78725ef03b5c78f4e3d151087a53f9232a6e97eede07228a

Aliases

arxiv: 1711.08717 · arxiv_version: 1711.08717v2 · doi: 10.48550/arxiv.1711.08717 · pith_short_12: GQ2DTUZYRDIH · pith_short_16: GQ2DTUZYRDIHW6DS · pith_short_8: GQ2DTUZY

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/GQ2DTUZYRDIHW6DSL3YDWXDY6T \
  | 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: 343439d33888d07b78725ef03b5c78f4e3d151087a53f9232a6e97eede07228a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b01f8f60bd544994cfe0105cb59fceac2f99176a9745845c63f0cba62a720c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-11-23T14:48:02Z",
    "title_canon_sha256": "7cbca11c125534add02deaae2d62d4f9fca23b3ac7bd096fdab5bd8708a5dd45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08717",
    "kind": "arxiv",
    "version": 2
  }
}