Pith Number

pith:ANHUYNRX

pith:2017:ANHUYNRXWDBDRLEDFMXZ3HJ4GA

not attested not anchored not stored refs pending

Sandwich semigroups in locally small categories I: Foundations

Igor Dolinka, Ivana {\DJ}ur{\dj}ev, James East, Jintana Sanwong, Kritsada Sangkhanan, Preeyanuch Honyam, Worachead Sommanee

arxiv:1710.01890 v3 · 2017-10-05 · math.GR · math.CT · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANHUYNRXWDBDRLEDFMXZ3HJ4GA}

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	2026-05-18T00:26:18.032583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

034f4c3637b0c238ac832b2f9d9d3c303d69f76279acab31da8d86dfd4b1806e

Aliases

arxiv: 1710.01890 · arxiv_version: 1710.01890v3 · doi: 10.48550/arxiv.1710.01890 · pith_short_12: ANHUYNRXWDBD · pith_short_16: ANHUYNRXWDBDRLED · pith_short_8: ANHUYNRX

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/ANHUYNRXWDBDRLEDFMXZ3HJ4GA \
  | 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: 034f4c3637b0c238ac832b2f9d9d3c303d69f76279acab31da8d86dfd4b1806e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa5604aa1675afc1f820d0f134ac568fa4a1c3e66a350093ad3f689d9194448",
    "cross_cats_sorted": [
      "math.CT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-10-05T06:09:31Z",
    "title_canon_sha256": "59e429cae555b61adecdc816e716f8ff7dc9022bf74fde33ef0febed3bdebb41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01890",
    "kind": "arxiv",
    "version": 3
  }
}