Pith Number

pith:VUACAQRM

pith:2004:VUACAQRMJ2QAKQUTWX4IGG2ZAF

not attested not anchored not stored refs pending

Eigen-value monotonicity for the Ricci-Hamilton flow

Li Ma

arxiv:math/0403065 v2 · 2004-03-03 · 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{VUACAQRMJ2QAKQUTWX4IGG2ZAF}

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	2026-05-18T04:42:02.855996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad0020422c4ea0054293b5f8831b590141d294c20f64c4e8ef6b4c835d583293

Aliases

arxiv: math/0403065 · arxiv_version: math/0403065v2 · doi: 10.48550/arxiv.math/0403065 · pith_short_12: VUACAQRMJ2QA · pith_short_16: VUACAQRMJ2QAKQUT · pith_short_8: VUACAQRM

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/VUACAQRMJ2QAKQUTWX4IGG2ZAF \
  | 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: ad0020422c4ea0054293b5f8831b590141d294c20f64c4e8ef6b4c835d583293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f9974d642892cad5aa078e9893e72514abf65b91032e612a4d877e0c5cb571",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2004-03-03T10:16:26Z",
    "title_canon_sha256": "c21f8fde2d1c868218f1e88bf1f5a2edf5c4a6c9d9a297d44966d38cf87adf7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0403065",
    "kind": "arxiv",
    "version": 2
  }
}