Pith Number

pith:76F7YRUS

pith:2013:76F7YRUSUCRTUCNPD7QCYGBTL7

not attested not anchored not stored refs pending

Twisted conjugacy in Richard Thompson's group T

Daciberg L. Gon\c{c}alves, Parameswaran Sankaran

arxiv:1309.2875 v2 · 2013-09-11 · 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{76F7YRUSUCRTUCNPD7QCYGBTL7}

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	2026-05-18T03:05:25.786329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff8bfc4692a0a33a09af1fe02c18335fe1c50563acdf763caaddfdd90251d577

Aliases

arxiv: 1309.2875 · arxiv_version: 1309.2875v2 · doi: 10.48550/arxiv.1309.2875 · pith_short_12: 76F7YRUSUCRT · pith_short_16: 76F7YRUSUCRTUCNP · pith_short_8: 76F7YRUS

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/76F7YRUSUCRTUCNPD7QCYGBTL7 \
  | 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: ff8bfc4692a0a33a09af1fe02c18335fe1c50563acdf763caaddfdd90251d577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8877b350f75bb3098e48e582cefa0eb9d055edc81f8c5246c7e86a5848f94fb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-09-11T16:11:55Z",
    "title_canon_sha256": "e8e5a4e1112404a99c7393c8302ddc8a5e2fa1496365a1d9e3ec9859c1241d48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2875",
    "kind": "arxiv",
    "version": 2
  }
}