Pith Number

pith:KGYS2UQJ

pith:2024:KGYS2UQJDCNZMD27YFVSPXZ5W7

not attested not anchored not stored refs pending

Reconstruction of hypersurfaces from their invariants

Thomas Bouchet (LJAD)

arxiv:2403.17490 v3 · 2024-03-26 · math.AC · 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{KGYS2UQJDCNZMD27YFVSPXZ5W7}

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.

Cited by

1 paper in Pith

Invariants recovering the reduction type of a hyperelliptic curve

Receipt and verification

First computed	2026-07-05T11:15:37.284164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51b12d5209189b960f5fc16b27df3db7d7958ae95b3f33f0ea6f4d2ea9a39f82

Aliases

arxiv: 2403.17490 · arxiv_version: 2403.17490v3 · doi: 10.48550/arxiv.2403.17490 · pith_short_12: KGYS2UQJDCNZ · pith_short_16: KGYS2UQJDCNZMD27 · pith_short_8: KGYS2UQJ

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/KGYS2UQJDCNZMD27YFVSPXZ5W7 \
  | 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: 51b12d5209189b960f5fc16b27df3db7d7958ae95b3f33f0ea6f4d2ea9a39f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e168a28aae01dd9304cca2dfe3472dd9caec6ed477753c40ea105c343ee19d3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2024-03-26T08:42:57Z",
    "title_canon_sha256": "7c172d6938107e99e5670a29db5b3f3f17705da93e7e0d7b28f170a431fccc04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.17490",
    "kind": "arxiv",
    "version": 3
  }
}