Pith Number

pith:7QC265FG

pith:2017:7QC265FGPBCDOPRLYASJN3UACW

not attested not anchored not stored refs pending

Green's Relations in Finite Transformation Semigroups

Lukas Fleischer, Manfred Kufleitner

arxiv:1703.04941 v1 · 2017-03-15 · 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{7QC265FGPBCDOPRLYASJN3UACW}

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	2026-05-18T00:48:38.813267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc05af74a67844373e2bc02496ee8015bc186b86695cc00aa9552e9492bf2c15

Aliases

arxiv: 1703.04941 · arxiv_version: 1703.04941v1 · doi: 10.48550/arxiv.1703.04941 · pith_short_12: 7QC265FGPBCD · pith_short_16: 7QC265FGPBCDOPRL · pith_short_8: 7QC265FG

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/7QC265FGPBCDOPRLYASJN3UACW \
  | 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: fc05af74a67844373e2bc02496ee8015bc186b86695cc00aa9552e9492bf2c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f4b273cfaa6fc9553f7d5ce5265dc1cdb35c88dde1c1b19a0ba3f5892fb673",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-03-15T05:45:59Z",
    "title_canon_sha256": "9a89f009c1e45c595fc085639a5059978fed3f3c3ca9956c0040e1f760ef63b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04941",
    "kind": "arxiv",
    "version": 1
  }
}