Pith Number

pith:YSCKKIWY

pith:2008:YSCKKIWYWP63F5FYZ2HW5IDOX5

not attested not anchored not stored refs pending

Algebraic Levi-flat hypervarieties in complex projective space

Jiri Lebl

arxiv:0805.1763 v4 · 2008-05-13 · math.CV · 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{YSCKKIWYWP63F5FYZ2HW5IDOX5}

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	2026-05-18T04:01:23.903686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c484a522d8b3fdb2f4b8ce8f6ea06ebf741a9fc171113e201f476104773db2cf

Aliases

arxiv: 0805.1763 · arxiv_version: 0805.1763v4 · doi: 10.48550/arxiv.0805.1763 · pith_short_12: YSCKKIWYWP63 · pith_short_16: YSCKKIWYWP63F5FY · pith_short_8: YSCKKIWY

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/YSCKKIWYWP63F5FYZ2HW5IDOX5 \
  | 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: c484a522d8b3fdb2f4b8ce8f6ea06ebf741a9fc171113e201f476104773db2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3b8775c1eb5946df6d160c188090ff092fba62a52f30c529c46dfbff702cd3b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2008-05-13T00:03:51Z",
    "title_canon_sha256": "61edec8882fdf3af9680c17a18c8a8e8e747306d3383a514bcd59870939278b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1763",
    "kind": "arxiv",
    "version": 4
  }
}