Pith Number

pith:KFHFZILK

pith:2025:KFHFZILKCFFJYJKM35LVTSCIG2

not attested not anchored not stored refs pending

Curves of best approximation on wonderful varieties

Christopher Manon, David McKinnon, Matthew Satriano

arxiv:2504.05213 v1 · 2025-04-07 · 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{KFHFZILKCFFJYJKM35LVTSCIG2}

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	2026-07-05T10:45:35.690897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514e5ca16a114a9c254cdf5759c848368d7e78159e282a80169174b0c888e916

Aliases

arxiv: 2504.05213 · arxiv_version: 2504.05213v1 · doi: 10.48550/arxiv.2504.05213 · pith_short_12: KFHFZILKCFFJ · pith_short_16: KFHFZILKCFFJYJKM · pith_short_8: KFHFZILK

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/KFHFZILKCFFJYJKM35LVTSCIG2 \
  | 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: 514e5ca16a114a9c254cdf5759c848368d7e78159e282a80169174b0c888e916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6034f8e3e5e31887a2b8405be93c9bcebb67ae1501e95b4c362cd240cf0154ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-04-07T16:01:01Z",
    "title_canon_sha256": "fb47546e9d04a3371d916a3bf5f4ff68e06785fada3018c6d79b33cd47e3b697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.05213",
    "kind": "arxiv",
    "version": 1
  }
}