Pith Number

pith:HOAE2L64

pith:2021:HOAE2L64WC75EDHHVXWUXH5QEM

not attested not anchored not stored refs pending

Convex cocompactness for Coxeter groups

Fanny Kassel, Fran\c{c}ois Gu\'eritaud, Gye-Seon Lee, Jeffrey Danciger, Ludovic Marquis

arxiv:2102.02757 v3 · 2021-02-04 · math.GR · 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{HOAE2L64WC75EDHHVXWUXH5QEM}

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	2026-07-05T09:04:24.561350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b804d2fdcb0bfd20ce7aded4b9fb02314ee4c1f0d5efedbf714266379473f52

Aliases

arxiv: 2102.02757 · arxiv_version: 2102.02757v3 · doi: 10.48550/arxiv.2102.02757 · pith_short_12: HOAE2L64WC75 · pith_short_16: HOAE2L64WC75EDHH · pith_short_8: HOAE2L64

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/HOAE2L64WC75EDHHVXWUXH5QEM \
  | 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: 3b804d2fdcb0bfd20ce7aded4b9fb02314ee4c1f0d5efedbf714266379473f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef43b709a096c097c8f8262302dc6034d12750a349af6c5aeb9269867b94d622",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2021-02-04T17:41:19Z",
    "title_canon_sha256": "3562ca5b96830ae80ef178304d0dfbb472fc1522c00d5345c8a7dbd386a1d43a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02757",
    "kind": "arxiv",
    "version": 3
  }
}