Pith Number

pith:TTOFWQK2

pith:1994:TTOFWQK2HJ43O37SMJPS3EWC5F

not attested not anchored not stored refs pending

Variation of Geometric Invariant Theory Quotients

Igor V. Dolgachev, Yi Hu

arxiv:alg-geom/9402008 v4 · 1994-02-09 · 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{TTOFWQK2HJ43O37SMJPS3EWC5F}

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	2026-07-04T15:07:13.363038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cdc5b415a3a79b76ff2625f2d92c2e96c70bb5569ddf80a32a31b79a9ae1768

Aliases

arxiv: alg-geom/9402008 · arxiv_version: alg-geom/9402008v4 · doi: 10.48550/arxiv.alg-geom/9402008 · pith_short_12: TTOFWQK2HJ43 · pith_short_16: TTOFWQK2HJ43O37S · pith_short_8: TTOFWQK2

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/TTOFWQK2HJ43O37SMJPS3EWC5F \
  | 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: 9cdc5b415a3a79b76ff2625f2d92c2e96c70bb5569ddf80a32a31b79a9ae1768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac871f4d41c6674225ec4559ab26c77d99cf718dc02ffa0d144ba346b1c0f886",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1994-02-09T19:02:01Z",
    "title_canon_sha256": "0ac6eca47b2c5a4c5568c81dbde37e3ad97c0738395c65a9d48e84513065cd39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9402008",
    "kind": "arxiv",
    "version": 4
  }
}