Pith Number

pith:KRN6M4TG

pith:2025:KRN6M4TGQPN2K4DTHMJRFZN54Z

not attested not anchored not stored refs pending

On compact K\"ahler manifolds with pseudo-effective tangent bundle

Chenghao Qing, Shin-ichi Matsumura

arxiv:2502.00623 v1 · 2025-02-02 · math.AG · math.CV · 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{KRN6M4TGQPN2K4DTHMJRFZN54Z}

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	2026-07-05T10:08:36.228755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

545be6726683dba570733b1312e5bde673ffd4e97eb2d01756f0d45383591a2a

Aliases

arxiv: 2502.00623 · arxiv_version: 2502.00623v1 · doi: 10.48550/arxiv.2502.00623 · pith_short_12: KRN6M4TGQPN2 · pith_short_16: KRN6M4TGQPN2K4DT · pith_short_8: KRN6M4TG

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/KRN6M4TGQPN2K4DTHMJRFZN54Z \
  | 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: 545be6726683dba570733b1312e5bde673ffd4e97eb2d01756f0d45383591a2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da49bc1234b24e7427b50179c52308879db170a43cad4790db2cb4d5a64cf9e",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-02T01:32:44Z",
    "title_canon_sha256": "0ba053efd9bf8ba42b31957dcafb1f6f36ffc4bae0511d3e85226442554c87af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00623",
    "kind": "arxiv",
    "version": 1
  }
}