Pith Number

pith:YHSWQ3RR

pith:1997:YHSWQ3RR2LGVGVJWKCZMU57KGY

not attested not anchored not stored refs pending

Hyperholomorphic sheaves and new examples of hyperkaehler manifolds

Misha Verbitsky

arxiv:alg-geom/9712012 v2 · 1997-12-11 · alg-geom · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHSWQ3RR2LGVGVJWKCZMU57KGY}

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	2026-05-18T03:38:46.741460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e5686e31d2cd53553650b2ca77ea36127b7c8fe1032e48e8ede0c4fcb152be

Aliases

arxiv: alg-geom/9712012 · arxiv_version: alg-geom/9712012v2 · doi: 10.48550/arxiv.alg-geom/9712012 · pith_short_12: YHSWQ3RR2LGV · pith_short_16: YHSWQ3RR2LGVGVJW · pith_short_8: YHSWQ3RR

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/YHSWQ3RR2LGVGVJWKCZMU57KGY \
  | 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: c1e5686e31d2cd53553650b2ca77ea36127b7c8fe1032e48e8ede0c4fcb152be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c916ceabd39d89daf03057295fae988d59da18cbb6425322804a075ab4b92d9",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "alg-geom",
    "submitted_at": "1997-12-11T19:58:43Z",
    "title_canon_sha256": "dc2b0bdc973ac7d0059ea2bb7e9bba2eebcf207a5d6a05c60c7f8d5352a3d9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9712012",
    "kind": "arxiv",
    "version": 2
  }
}