Pith Number

pith:X3DPOM3C

pith:1999:X3DPOM3CYN4ZR7PK6GAC2QUI3G

not attested not anchored not stored refs pending

The Kaehler cone of a compact hyperkaehler manifold

Daniel Huybrechts

arxiv:math/9909109 v2 · 1999-09-19 · 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{X3DPOM3CYN4ZR7PK6GAC2QUI3G}

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.

Cited by

1 paper in Pith

Mapping class group and global Torelli theorem for hyperkahler manifolds: an erratum

Receipt and verification

First computed	2026-07-04T14:41:18.811730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec6f73362c37998fdeaf1802d4288d9844879eee05c3686b084d589e4108229

Aliases

arxiv: math/9909109 · arxiv_version: math/9909109v2 · doi: 10.48550/arxiv.math/9909109 · pith_short_12: X3DPOM3CYN4Z · pith_short_16: X3DPOM3CYN4ZR7PK · pith_short_8: X3DPOM3C

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/X3DPOM3CYN4ZR7PK6GAC2QUI3G \
  | 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: bec6f73362c37998fdeaf1802d4288d9844879eee05c3686b084d589e4108229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a959ff71716a87a8cf606c11029d2bf5ddb07cb473d78b19d515b9945933d836",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "1999-09-19T12:27:53Z",
    "title_canon_sha256": "f9e10c6973ad4550ae7de2854e175f711e8b9c8aa71f56a9928af22ed2c4ae86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9909109",
    "kind": "arxiv",
    "version": 2
  }
}