Pith Number

pith:KKYMX26M

pith:2021:KKYMX26MESFU4Y7PXBJGDOJMX4

not attested not anchored not stored refs pending

Smoothing a measure on a Riemann surface using Ricci flow

Hao Yin, Peter M. Topping

arxiv:2107.14686 v4 · 2021-07-30 · 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{KKYMX26MESFU4Y7PXBJGDOJMX4}

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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.

Cited by

1 paper in Pith

Rotationally symmetric Ricci Flow on $\mathbb{R}^{n+1}$

Receipt and verification

First computed	2026-07-05T09:51:26.643402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b0cbebcc248b4e63efb85261b92cbf2c45b5d75aa7040ac49ace66f16c8ad3

Aliases

arxiv: 2107.14686 · arxiv_version: 2107.14686v4 · doi: 10.48550/arxiv.2107.14686 · pith_short_12: KKYMX26MESFU · pith_short_16: KKYMX26MESFU4Y7P · pith_short_8: KKYMX26M

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/KKYMX26MESFU4Y7PXBJGDOJMX4 \
  | 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: 52b0cbebcc248b4e63efb85261b92cbf2c45b5d75aa7040ac49ace66f16c8ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be205679c13c0ac0c26439562d7c27f975b4b84966ed7dc170bcb2af47a4a11c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2021-07-30T15:08:44Z",
    "title_canon_sha256": "f6ab2e7d6aa60e5e3dfbae34788636e8deb58a719b5c3965fe215ed40bf38347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14686",
    "kind": "arxiv",
    "version": 4
  }
}