Pith Number

pith:WL2ZLTSX

pith:2007:WL2ZLTSXTMFEMRJNDLRYNIRNSV

not attested not anchored not stored refs pending

Conjugacy and Dynamics in Thompson's Groups

Francesco Matucci, James Belk

arxiv:0708.4250 v5 · 2007-08-31 · 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{WL2ZLTSXTMFEMRJNDLRYNIRNSV}

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	2026-05-17T23:47:49.583631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f595ce579b0a46452d1ae386a22d957035e8d952c727b2a968b43c026a57fd

Aliases

arxiv: 0708.4250 · arxiv_version: 0708.4250v5 · doi: 10.48550/arxiv.0708.4250 · pith_short_12: WL2ZLTSXTMFE · pith_short_16: WL2ZLTSXTMFEMRJN · pith_short_8: WL2ZLTSX

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/WL2ZLTSXTMFEMRJNDLRYNIRNSV \
  | 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: b2f595ce579b0a46452d1ae386a22d957035e8d952c727b2a968b43c026a57fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb74687ff870fd0422b4347338c6df1defd1585f9f5949168a2ad073e9dd32a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2007-08-31T02:56:28Z",
    "title_canon_sha256": "fa7c278462479697ed3ccc32afa298a811a57ef1bc86eb121e5618b8917a4edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4250",
    "kind": "arxiv",
    "version": 5
  }
}