Pith Number

pith:OEOKG6L6

pith:2006:OEOKG6L6DCDRD5NRSZYWMAEAMD

not attested not anchored not stored refs pending

Rigid geometry on projective varieties

Benjamin McKay (University College Cork)

arxiv:math/0603276 v13 · 2006-03-12 · math.DG · 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{OEOKG6L6DCDRD5NRSZYWMAEAMD}

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	2026-07-05T00:18:20.615057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711ca3797e188711f5b1967166008060df5ad56a8382d84401cf35ceda2d4f51

Aliases

arxiv: math/0603276 · arxiv_version: math/0603276v13 · doi: 10.48550/arxiv.math/0603276 · pith_short_12: OEOKG6L6DCDR · pith_short_16: OEOKG6L6DCDRD5NR · pith_short_8: OEOKG6L6

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/OEOKG6L6DCDRD5NRSZYWMAEAMD \
  | 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: 711ca3797e188711f5b1967166008060df5ad56a8382d84401cf35ceda2d4f51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6448adfc2231904e4c63a46f0780b2cc6e6c66a3f94c0d6fe2aaf20d524bdef8",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2006-03-12T12:18:34Z",
    "title_canon_sha256": "80664f78b51ff934b1fe03a6b5d2a4c1a7c96fdf62452b2838f1814e99123590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0603276",
    "kind": "arxiv",
    "version": 13
  }
}