Pith Number

pith:JRWZCLWW

pith:2025:JRWZCLWWAV2N3ZMBDJ2BJEBQQ2

not attested not anchored not stored refs pending

Combinatorial Calabi flow for ideal circle pattern

Shengyu Li, Zhigang Wang

arxiv:2501.01678 v2 · 2025-01-03 · math.DG · 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{JRWZCLWWAV2N3ZMBDJ2BJEBQQ2}

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	2026-07-05T10:49:12.618872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c6d912ed60574dde5811a7414903086b1c10de945508b359c11ed9eab0ac7a8

Aliases

arxiv: 2501.01678 · arxiv_version: 2501.01678v2 · doi: 10.48550/arxiv.2501.01678 · pith_short_12: JRWZCLWWAV2N · pith_short_16: JRWZCLWWAV2N3ZMB · pith_short_8: JRWZCLWW

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/JRWZCLWWAV2N3ZMBDJ2BJEBQQ2 \
  | 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: 4c6d912ed60574dde5811a7414903086b1c10de945508b359c11ed9eab0ac7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0eff81e517d26a340a929483887e40239e241642dae476c54f4a1210be3e80",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-01-03T07:45:25Z",
    "title_canon_sha256": "d2e41b70fe3a7d40c4ac0ab43e758e184ecff587165e512e0884ce7b6f16ec36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01678",
    "kind": "arxiv",
    "version": 2
  }
}