Pith Number

pith:NNL2GL44

pith:2016:NNL2GL44CHOHUBS7TPXFVFSXVJ

not attested not anchored not stored refs pending

Super-Ricci Flows for Metric Measure Spaces

Karl-Theodor Sturm

arxiv:1603.02193 v2 · 2016-03-07 · math.DG · math.FA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNL2GL44CHOHUBS7TPXFVFSXVJ}

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	2026-05-18T00:38:21.394843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b57a32f9c11dc7a065f9bee5a9657aa630e0546dd6d2c660ade554b557ae5b5

Aliases

arxiv: 1603.02193 · arxiv_version: 1603.02193v2 · doi: 10.48550/arxiv.1603.02193 · pith_short_12: NNL2GL44CHOH · pith_short_16: NNL2GL44CHOHUBS7 · pith_short_8: NNL2GL44

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/NNL2GL44CHOHUBS7TPXFVFSXVJ \
  | 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: 6b57a32f9c11dc7a065f9bee5a9657aa630e0546dd6d2c660ade554b557ae5b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de90a74017487479579a81c226a6f8d0bb0709f156e949756a09ffa4d18db3a",
    "cross_cats_sorted": [
      "math.FA",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-03-07T18:34:07Z",
    "title_canon_sha256": "05ee363223356e16c2247376f0e74f91852cdad17ef5271da3113e46eb9b441b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02193",
    "kind": "arxiv",
    "version": 2
  }
}