Pith Number

pith:CZ7TPS42

pith:2016:CZ7TPS42RMFJ2HRCPSCGEA4SCV

not attested not anchored not stored refs pending

Local finiteness for Green relations in (I-)semigroup varieties

Filipa Soares, Pedro V. Silva

arxiv:1606.03866 v1 · 2016-06-13 · 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{CZ7TPS42RMFJ2HRCPSCGEA4SCV}

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	2026-05-18T01:12:32.875074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

167f37cb9a8b0a9d1e227c846203921578a13836f44c1bec9f488510bd618357

Aliases

arxiv: 1606.03866 · arxiv_version: 1606.03866v1 · doi: 10.48550/arxiv.1606.03866 · pith_short_12: CZ7TPS42RMFJ · pith_short_16: CZ7TPS42RMFJ2HRC · pith_short_8: CZ7TPS42

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/CZ7TPS42RMFJ2HRCPSCGEA4SCV \
  | 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: 167f37cb9a8b0a9d1e227c846203921578a13836f44c1bec9f488510bd618357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0abf9ff05814977520ea8d8236d8f5a55e48e1172f18c1b6d597820219569b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-06-13T09:18:55Z",
    "title_canon_sha256": "7d79aba6a4287b4ad387dfe02f69f9305d05073503cbb5be2a7fa3c331d80936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03866",
    "kind": "arxiv",
    "version": 1
  }
}