Pith Number

pith:MWX5T2KU

pith:2017:MWX5T2KUXH7B5QEXU6QZIG2A64

not attested not anchored not stored refs pending

Automaticity of one-relator semigroups with length less than or equal to three

Haibin Wu, Honglian Xie, Yuqun Chen

arxiv:1702.03355 v1 · 2017-02-10 · 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{MWX5T2KUXH7B5QEXU6QZIG2A64}

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	2026-05-18T00:42:58.510884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65afd9e954b9fe1ec097a7a1941b40f7196599fc156ae0140e13a4fa44531006

Aliases

arxiv: 1702.03355 · arxiv_version: 1702.03355v1 · doi: 10.48550/arxiv.1702.03355 · pith_short_12: MWX5T2KUXH7B · pith_short_16: MWX5T2KUXH7B5QEX · pith_short_8: MWX5T2KU

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/MWX5T2KUXH7B5QEXU6QZIG2A64 \
  | 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: 65afd9e954b9fe1ec097a7a1941b40f7196599fc156ae0140e13a4fa44531006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe45e5c857621e9f22a1d0522881bf47a748c63963492e4f9e203d5db6376231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-02-10T23:40:36Z",
    "title_canon_sha256": "553b108e781adc8e7343af5b5a0ddc1be05847a01aaf94294c65b13e96275ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03355",
    "kind": "arxiv",
    "version": 1
  }
}