Pith Number

pith:QOQOG7RP

pith:2014:QOQOG7RPFKWUECJLOWU73E5ZQT

not attested not anchored not stored refs pending

On finite groups of isometries of handlebodies in arbitrary dimensions and finite extensions of Schottky groups

Bruno P. Zimmermann, Mattia Mecchia

arxiv:1405.1979 v2 · 2014-05-08 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOQOG7RPFKWUECJLOWU73E5ZQT}

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	2026-05-18T02:27:51.144901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a0e37e2f2aad42092b75a9fd93b984c697646d714628512f180e6383bf16f4

Aliases

arxiv: 1405.1979 · arxiv_version: 1405.1979v2 · doi: 10.48550/arxiv.1405.1979 · pith_short_12: QOQOG7RPFKWU · pith_short_16: QOQOG7RPFKWUECJL · pith_short_8: QOQOG7RP

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/QOQOG7RPFKWUECJLOWU73E5ZQT \
  | 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: 83a0e37e2f2aad42092b75a9fd93b984c697646d714628512f180e6383bf16f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e00302ae402e25f9a563af67c416371c88bf1b5dd9f0185f72800500edab31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-08T15:44:21Z",
    "title_canon_sha256": "c941a5a16436359ddb586945c896eb1537530c39888a17c0e06f0ac86d040eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1979",
    "kind": "arxiv",
    "version": 2
  }
}