Pith Number

pith:NQVQIQLQ

pith:2026:NQVQIQLQQNEUC26I2AS2HSSJHN

not attested not anchored not stored refs pending

The spaces of K\"ahler and holomorphically tamed symplectic forms on closed 4-manifolds

Shengzhen Ning, Tian-Jun Li

arxiv:2607.18778 v1 · 2026-07-21 · math.SG · math.AG · 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{NQVQIQLQQNEUC26I2AS2HSSJHN}

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	2026-07-22T01:23:11.442802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2b0441708349416bc8d025a3ca493b5499f1f992cc0144b5c391c234c95776

Aliases

arxiv: 2607.18778 · arxiv_version: 2607.18778v1 · doi: 10.48550/arxiv.2607.18778 · pith_short_12: NQVQIQLQQNEU · pith_short_16: NQVQIQLQQNEUC26I · pith_short_8: NQVQIQLQ

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/NQVQIQLQQNEUC26I2AS2HSSJHN \
  | 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: 6c2b0441708349416bc8d025a3ca493b5499f1f992cc0144b5c391c234c95776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a027c217fedcefadcf17de02fc93439fead381f5668f34234280b221f7b7b8",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2026-07-21T06:59:39Z",
    "title_canon_sha256": "5397503b6850430bb3000b0703fafd2947a72673322b878b6050d6d9347f684b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18778",
    "kind": "arxiv",
    "version": 1
  }
}