Pith Number

pith:42Z7XKSJ

pith:2013:42Z7XKSJRHV6AA4B5FZ5JXCGNG

not attested not anchored not stored refs pending

Twisted conjugacy in generalized Thompson groups of type F

Daciberg Goncalves, Parameswaran Sankaran

arxiv:1312.2167 v2 · 2013-12-08 · 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{42Z7XKSJRHV6AA4B5FZ5JXCGNG}

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	2026-05-18T03:01:55.921649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6b3fbaa4989ebe00381e973d4dc466998a6cda2bd6db1b220eb3afbbad46d55

Aliases

arxiv: 1312.2167 · arxiv_version: 1312.2167v2 · doi: 10.48550/arxiv.1312.2167 · pith_short_12: 42Z7XKSJRHV6 · pith_short_16: 42Z7XKSJRHV6AA4B · pith_short_8: 42Z7XKSJ

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/42Z7XKSJRHV6AA4B5FZ5JXCGNG \
  | 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: e6b3fbaa4989ebe00381e973d4dc466998a6cda2bd6db1b220eb3afbbad46d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b01d3e66310910defe770ff39b190b50f9bc17918294385e4684dca58a2b7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-12-08T03:08:49Z",
    "title_canon_sha256": "ec5f2aaba2d8ff17cdd311eca684672dd0d4014e90b5ddbb11c627863a2c01f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2167",
    "kind": "arxiv",
    "version": 2
  }
}