Pith Number

pith:KWY4TMBL

pith:2008:KWY4TMBL3CKYZIVVDSF3TRWARP

not attested not anchored not stored refs pending

Compact Kaehler quotients of algebraic varieties and Geometric Invariant Theory

Daniel Greb

arxiv:0812.2643 v2 · 2008-12-15 · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWY4TMBL3CKYZIVVDSF3TRWARP}

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	2026-05-18T04:24:35.578615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b1c9b02bd8958ca2b51c8bb9c6c08bd37a439e80dae780d37793568ba069c6

Aliases

arxiv: 0812.2643 · arxiv_version: 0812.2643v2 · doi: 10.48550/arxiv.0812.2643 · pith_short_12: KWY4TMBL3CKY · pith_short_16: KWY4TMBL3CKYZIVV · pith_short_8: KWY4TMBL

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/KWY4TMBL3CKYZIVVDSF3TRWARP \
  | 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: 55b1c9b02bd8958ca2b51c8bb9c6c08bd37a439e80dae780d37793568ba069c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ba217e21ffe3fdb95392b698bad1b16e4ee6e1b0ec3044851a90405f644900",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-12-15T10:26:44Z",
    "title_canon_sha256": "35ca3f6dff495463c635df99d6ebe1f0085e793d4675bb938a1de401014f903a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2643",
    "kind": "arxiv",
    "version": 2
  }
}