Pith Number

pith:DSQEHKCJ

pith:2019:DSQEHKCJ63ZQMIXK3E4OHQ2QKW

not attested not anchored not stored refs pending

Some special congruences on completely regular semigroups

Hong-Hua Chen, Li-Min Wang, Ying-Ying Feng

arxiv:1901.08776 v1 · 2019-01-25 · 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{DSQEHKCJ63ZQMIXK3E4OHQ2QKW}

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	2026-05-17T23:55:33.145673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ca043a849f6f30622ead938e3c35055aaed4901fd0512bbb16016007274d708

Aliases

arxiv: 1901.08776 · arxiv_version: 1901.08776v1 · doi: 10.48550/arxiv.1901.08776 · pith_short_12: DSQEHKCJ63ZQ · pith_short_16: DSQEHKCJ63ZQMIXK · pith_short_8: DSQEHKCJ

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/DSQEHKCJ63ZQMIXK3E4OHQ2QKW \
  | 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: 1ca043a849f6f30622ead938e3c35055aaed4901fd0512bbb16016007274d708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f282e422c55b7da45683864447cf787047637feef6dda8a0e21f282222826f1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-01-25T08:16:29Z",
    "title_canon_sha256": "d60afed3bc276fb0bbef63ccd62041d91122884f9707b6fbc85da28acedf3156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08776",
    "kind": "arxiv",
    "version": 1
  }
}