Pith Number

pith:CH6IO5QX

pith:2011:CH6IO5QXOPPYJ5D4SAZFUTYRX2

not attested not anchored not stored refs pending

On a problem of Yau regarding a higher dimensional generalization of the Cohn-Vossen inequality

Bo Yang

arxiv:1104.0370 v1 · 2011-04-03 · 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{CH6IO5QXOPPYJ5D4SAZFUTYRX2}

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	2026-05-18T04:25:04.142691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11fc87761773df84f47c90325a4f11beac33a4361fa9a8da2b6f0b927ea8b252

Aliases

arxiv: 1104.0370 · arxiv_version: 1104.0370v1 · doi: 10.48550/arxiv.1104.0370 · pith_short_12: CH6IO5QXOPPY · pith_short_16: CH6IO5QXOPPYJ5D4 · pith_short_8: CH6IO5QX

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/CH6IO5QXOPPYJ5D4SAZFUTYRX2 \
  | 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: 11fc87761773df84f47c90325a4f11beac33a4361fa9a8da2b6f0b927ea8b252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed16e03a5592b8ba9747a8fceb4c1867afd024632ab42126cdd6014d91928843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-03T10:15:15Z",
    "title_canon_sha256": "bc9c9a64d60725db0feb7007a4792f170228055a9396e463886c40822de8a6c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0370",
    "kind": "arxiv",
    "version": 1
  }
}