Pith Number

pith:ORKQVULI

pith:2011:ORKQVULIYELXJ5GWJXNXOMMSBR

not attested not anchored not stored refs pending

How to produce a Ricci Flow via Cheeger-Gromoll exhaustion

Burkhard Wilking, Esther Cabezas-Rivas

arxiv:1107.0606 v3 · 2011-07-04 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORKQVULIYELXJ5GWJXNXOMMSBR}

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	2026-05-18T04:14:54.827038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74550ad168c11774f4d64ddb7731920c75fab94722b02a5c3fa50acdbdd8cbb6

Aliases

arxiv: 1107.0606 · arxiv_version: 1107.0606v3 · doi: 10.48550/arxiv.1107.0606 · pith_short_12: ORKQVULIYELX · pith_short_16: ORKQVULIYELXJ5GW · pith_short_8: ORKQVULI

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/ORKQVULIYELXJ5GWJXNXOMMSBR \
  | 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: 74550ad168c11774f4d64ddb7731920c75fab94722b02a5c3fa50acdbdd8cbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f80c655365ced9245882dec0ad8f9989ae2134701764ff109d73af5d0e00c8d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-04T12:35:20Z",
    "title_canon_sha256": "6b23d0622ab5d96b573bf4c2372e3eca0ac4a379b221fd0518be507768d8fbfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0606",
    "kind": "arxiv",
    "version": 3
  }
}