Pith Number

pith:H2K2KHL4

pith:2010:H2K2KHL4GPUAESZOXYSJNEO3HT

not attested not anchored not stored refs pending

Finite complete rewriting systems for regular semigroups

Ant\'onio Malheiro, Robert Gray

arxiv:1005.2972 v1 · 2010-05-17 · 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{H2K2KHL4GPUAESZOXYSJNEO3HT}

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	2026-05-18T00:41:54.193074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e95a51d7c33e8024b2ebe249691db3ce3b202223774c985496ec0fe841f93dc

Aliases

arxiv: 1005.2972 · arxiv_version: 1005.2972v1 · doi: 10.48550/arxiv.1005.2972 · pith_short_12: H2K2KHL4GPUA · pith_short_16: H2K2KHL4GPUAESZO · pith_short_8: H2K2KHL4

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/H2K2KHL4GPUAESZOXYSJNEO3HT \
  | 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: 3e95a51d7c33e8024b2ebe249691db3ce3b202223774c985496ec0fe841f93dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f988483d6946a00658ca7f5ce1acce2cb69c31b147eb3c50016f7c5c1da03d85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2010-05-17T16:53:37Z",
    "title_canon_sha256": "53403d49d0c3f30177e8bf6ba2b583211b311e22e241bdf23c9d596809033ef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2972",
    "kind": "arxiv",
    "version": 1
  }
}