Pith Number

pith:EJQONYII

pith:2007:EJQONYIIXJYWTK5PRLSJHU7AFZ

not attested not anchored not stored refs pending

A geometric proof of the Karpelevich-Mostow's theorem

Antonio J. Di Scala, Carlos Olmos

arxiv:math/0702201 v1 · 2007-02-07 · math.DG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJQONYIIXJYWTK5PRLSJHU7AFZ}

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	2026-05-18T02:57:45.294019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2260e6e108ba7169abaf8ae493d3e02e451f4d5cd15bd6d9fbc1b148f8d5e5df

Aliases

arxiv: math/0702201 · arxiv_version: math/0702201v1 · doi: 10.48550/arxiv.math/0702201 · pith_short_12: EJQONYIIXJYW · pith_short_16: EJQONYIIXJYWTK5P · pith_short_8: EJQONYII

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/EJQONYIIXJYWTK5PRLSJHU7AFZ \
  | 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: 2260e6e108ba7169abaf8ae493d3e02e451f4d5cd15bd6d9fbc1b148f8d5e5df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d05dd23fcf23c0650746683793e0a3d6bb54842df5ddce0077be8a22eb2a8e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2007-02-07T20:12:19Z",
    "title_canon_sha256": "0c78be1b3c73b49398dd12758a81fdaf1113cbf4f47a222fb11f353758c79f2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702201",
    "kind": "arxiv",
    "version": 1
  }
}