Pith Number

pith:OWS6OEG5

pith:2008:OWS6OEG5NVKXBWZ2T5DR4WKPNA

not attested not anchored not stored refs pending

Upper bound for the Lempert function of smooth domains

Nikolai Nikolov, Pascal J. Thomas, Peter Pflug

arxiv:0810.4023 v2 · 2008-10-22 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWS6OEG5NVKXBWZ2T5DR4WKPNA}

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	2026-05-18T03:46:45.901846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a5e710dd6d5570db3a9f471e594f680c6e891d1e5ffa80d4e504eed5c2d570

Aliases

arxiv: 0810.4023 · arxiv_version: 0810.4023v2 · doi: 10.48550/arxiv.0810.4023 · pith_short_12: OWS6OEG5NVKX · pith_short_16: OWS6OEG5NVKXBWZ2 · pith_short_8: OWS6OEG5

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/OWS6OEG5NVKXBWZ2T5DR4WKPNA \
  | 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: 75a5e710dd6d5570db3a9f471e594f680c6e891d1e5ffa80d4e504eed5c2d570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650da6a5c11ae1fd7cc0addc7c0778ffd065a276b3b41cf93a6a973204f020c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2008-10-22T11:04:47Z",
    "title_canon_sha256": "a2bd1e8a857f221db1d3eb3a71fb3b12a18bc58c8a6899fb928c827bfb2e7a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4023",
    "kind": "arxiv",
    "version": 2
  }
}