Pith Number

pith:44NQQNL4

pith:2011:44NQQNL45YNUIMFI4MC4UY3NSS

not attested not anchored not stored refs pending

Harnack inequality for the negative power Gaussian curvature flow

Yi Li

arxiv:1102.4507 v2 · 2011-02-22 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44NQQNL45YNUIMFI4MC4UY3NSS}

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	2026-05-18T03:36:16.305824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e71b08357cee1b4430a8e305ca636d949b6ef1947815e1c6a04f0ddefc8a6b50

Aliases

arxiv: 1102.4507 · arxiv_version: 1102.4507v2 · doi: 10.48550/arxiv.1102.4507 · pith_short_12: 44NQQNL45YNU · pith_short_16: 44NQQNL45YNUIMFI · pith_short_8: 44NQQNL4

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/44NQQNL45YNUIMFI4MC4UY3NSS \
  | 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: e71b08357cee1b4430a8e305ca636d949b6ef1947815e1c6a04f0ddefc8a6b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69abd5516c3956b4a5330a81e44095100059f16edd61f011426d336b956a1711",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-22T13:56:57Z",
    "title_canon_sha256": "3093f87de7ca51a661627eb4a7fb5508e2f4a86e9e116d58faa8eeffa0f07632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4507",
    "kind": "arxiv",
    "version": 2
  }
}