Pith Number

pith:IRVWLYX7

pith:2025:IRVWLYX7UB2LJQFOGIFPFTFHYG

not attested not anchored not stored refs pending

Remark on semi-positive holomorphic sectional curvature and quasi-negative $k$-Ricci curvature

Shiyu Zhang

arxiv:2508.17237 v2 · 2025-08-24 · 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{IRVWLYX7UB2LJQFOGIFPFTFHYG}

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	2026-05-29T02:05:36.004330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446b65e2ffa074b4c0ae320af2cca7c19cf12d461f9111363b01d100742a36af

Aliases

arxiv: 2508.17237 · arxiv_version: 2508.17237v2 · doi: 10.48550/arxiv.2508.17237 · pith_short_12: IRVWLYX7UB2L · pith_short_16: IRVWLYX7UB2LJQFO · pith_short_8: IRVWLYX7

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/IRVWLYX7UB2LJQFOGIFPFTFHYG \
  | 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: 446b65e2ffa074b4c0ae320af2cca7c19cf12d461f9111363b01d100742a36af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6904814cfc6a0a857942c61fdd99c3c0bd9c678a0a892c2bd5e1f4ee93727c0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-08-24T07:26:46Z",
    "title_canon_sha256": "a317d46224a2393004e753b16ee4dbc4992e85ac8b972c2a7ac10c7b9e2d1568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17237",
    "kind": "arxiv",
    "version": 2
  }
}