Pith Number

pith:KZWEYP2D

pith:2014:KZWEYP2DALIB7SIN6ISFIQDLSY

not attested not anchored not stored refs pending

Convergence groups are not invariably generated

Tsachik Gelander

arxiv:1407.7226 v3 · 2014-07-27 · 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{KZWEYP2DALIB7SIN6ISFIQDLSY}

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	2026-05-18T02:32:22.135145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

566c4c3f4302d01fc90df22454406b9614d60490f4ea5c6c38792d7fc133ddc5

Aliases

arxiv: 1407.7226 · arxiv_version: 1407.7226v3 · doi: 10.48550/arxiv.1407.7226 · pith_short_12: KZWEYP2DALIB · pith_short_16: KZWEYP2DALIB7SIN · pith_short_8: KZWEYP2D

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/KZWEYP2DALIB7SIN6ISFIQDLSY \
  | 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: 566c4c3f4302d01fc90df22454406b9614d60490f4ea5c6c38792d7fc133ddc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dde1a76e8d416302ed99f99469c3393b5b6c6f7106fbdea369dc21ce11824bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-07-27T13:29:28Z",
    "title_canon_sha256": "21842e603724af1f545d9392cfeb52c9dbf5d9c2c11af2d87d4fd64320f91d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7226",
    "kind": "arxiv",
    "version": 3
  }
}