Pith Number

pith:WE6DRSUL

pith:2011:WE6DRSULLPWHT7JGPIWVM7V2WY

not attested not anchored not stored refs pending

Ricci Flow in Two Dimensions

James Isenberg, Natasa Sesum, Rafe Mazzeo

arxiv:1103.4669 v1 · 2011-03-24 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WE6DRSULLPWHT7JGPIWVM7V2WY}

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	2026-05-18T04:26:01.124942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b13c38ca8b5bec79fd267a2d567ebab62cb390909f84c799afcc3a9eacee1ab7

Aliases

arxiv: 1103.4669 · arxiv_version: 1103.4669v1 · doi: 10.48550/arxiv.1103.4669 · pith_short_12: WE6DRSULLPWH · pith_short_16: WE6DRSULLPWHT7JG · pith_short_8: WE6DRSUL

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/WE6DRSULLPWHT7JGPIWVM7V2WY \
  | 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: b13c38ca8b5bec79fd267a2d567ebab62cb390909f84c799afcc3a9eacee1ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "865c75bb92d4ecf953641f0abc38bf8e4adab4b2aeb5ab201e748c73edd04a8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-03-24T02:44:10Z",
    "title_canon_sha256": "4a9c8b4b5e6cc5457b694d7cc087bd6d96c42787a587bd6ebc87b5791b9c92df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4669",
    "kind": "arxiv",
    "version": 1
  }
}