Pith Number

pith:RJOSQRQO

pith:2016:RJOSQRQOLI7GZSPRISTQ3BZ4CH

not attested not anchored not stored refs pending

Finiteness of Mapping Class Group Representations from Twisted Dijkgraaf-Witten Theory

Paul Gustafson

arxiv:1610.06069 v4 · 2016-10-19 · math.QA · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJOSQRQOLI7GZSPRISTQ3BZ4CH}

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	2026-05-18T00:30:46.752404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a5d28460e5a3e6cc9f144a70d873c11ce4a4734873902f31f874add7d1cc36e

Aliases

arxiv: 1610.06069 · arxiv_version: 1610.06069v4 · doi: 10.48550/arxiv.1610.06069 · pith_short_12: RJOSQRQOLI7G · pith_short_16: RJOSQRQOLI7GZSPR · pith_short_8: RJOSQRQO

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/RJOSQRQOLI7GZSPRISTQ3BZ4CH \
  | 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: 8a5d28460e5a3e6cc9f144a70d873c11ce4a4734873902f31f874add7d1cc36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381f1acfeeee2b10efe01e0b9d6df4504ad72546eb0c5ca94485df198f82f890",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-10-19T15:44:01Z",
    "title_canon_sha256": "5d2af0102d4f40e217570ca6ab170a01d77dbb148975ee418d0251c61a49a45e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06069",
    "kind": "arxiv",
    "version": 4
  }
}