Pith Number

pith:LHT63CDR

pith:2009:LHT63CDREIOCA4C5BRMLCPE53W

not attested not anchored not stored refs pending

The Intersection of Two Fermat Hypersurfaces in P^3 via Computation of Quotient Curves

Gary McGuire, Vijaykumar Singh

arxiv:0911.4025 v2 · 2009-11-20 · 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{LHT63CDREIOCA4C5BRMLCPE53W}

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	2026-05-18T04:34:54.335628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59e7ed8871221c20705d0c58b13c9ddda9d74e183067949f74a8837a86131a47

Aliases

arxiv: 0911.4025 · arxiv_version: 0911.4025v2 · doi: 10.48550/arxiv.0911.4025 · pith_short_12: LHT63CDREIOC · pith_short_16: LHT63CDREIOCA4C5 · pith_short_8: LHT63CDR

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/LHT63CDREIOCA4C5BRMLCPE53W \
  | 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: 59e7ed8871221c20705d0c58b13c9ddda9d74e183067949f74a8837a86131a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b2cd60cee8831b3e4f15c629fc0d2edb2c0da6ed3c11019504b571d9490dc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-11-20T12:14:17Z",
    "title_canon_sha256": "3f73da19bb29ac26099b2f68b58aa8fba926a3640de19b8317fe257064c46e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4025",
    "kind": "arxiv",
    "version": 2
  }
}