Pith Number

pith:SOUZSN57

pith:2014:SOUZSN57O5FHHVLNRSQRCTSTIM

not attested not anchored not stored refs pending

Twisted Conjugacy in Houghton's groups

Charles Garnet Cox

arxiv:1410.7051 v6 · 2014-10-26 · 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{SOUZSN57O5FHHVLNRSQRCTSTIM}

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	2026-05-18T00:39:53.225654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a99937bf774a73d56d8ca1114e534302fb8dd2422b5dab6ba3b4241e453070

Aliases

arxiv: 1410.7051 · arxiv_version: 1410.7051v6 · doi: 10.48550/arxiv.1410.7051 · pith_short_12: SOUZSN57O5FH · pith_short_16: SOUZSN57O5FHHVLN · pith_short_8: SOUZSN57

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/SOUZSN57O5FHHVLNRSQRCTSTIM \
  | 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: 93a99937bf774a73d56d8ca1114e534302fb8dd2422b5dab6ba3b4241e453070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e602e244c37df2c5837b1509b6484e018075b8447bc784f04a29bf3d17ca938",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-10-26T15:43:14Z",
    "title_canon_sha256": "5092a95a3667194e847f4c209b7353ba688e1b3a7a58e0a18d6b2965b0056c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7051",
    "kind": "arxiv",
    "version": 6
  }
}