Pith Number

pith:HWQFQUQO

pith:2017:HWQFQUQOEWZTAXMPSXT45QMBX4

not attested not anchored not stored refs pending

Examples of manifolds of positive Ricci curvature with quadratically nonnegatively curved infinity and infinite topological type

Huihong Jiang, Yihu Yang

arxiv:1711.10444 v2 · 2017-11-28 · 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{HWQFQUQOEWZTAXMPSXT45QMBX4}

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	2026-05-17T23:56:48.489994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da058520e25b3305d8f95e7cec181bf36ec924ab5982315d1feb0f5c85126c8

Aliases

arxiv: 1711.10444 · arxiv_version: 1711.10444v2 · doi: 10.48550/arxiv.1711.10444 · pith_short_12: HWQFQUQOEWZT · pith_short_16: HWQFQUQOEWZTAXMP · pith_short_8: HWQFQUQO

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/HWQFQUQOEWZTAXMPSXT45QMBX4 \
  | 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: 3da058520e25b3305d8f95e7cec181bf36ec924ab5982315d1feb0f5c85126c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a6f01389ede9db487166f2f8992134903ecb1a7fea55de557a82d24b4762e6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-11-28T18:08:21Z",
    "title_canon_sha256": "be6a9127296f2cbcb6adf28c0def57e3d654c2ce971b7d38915c55fb683de638"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.10444",
    "kind": "arxiv",
    "version": 2
  }
}