Pith Number

pith:VGKN5N3Z

pith:2025:VGKN5N3ZISHJARVWN7YN2OQ432

not attested not anchored not stored refs pending

What makes an algebraic curve special?

Gregorio Baldi

arxiv:2502.06366 v1 · 2025-02-10 · math.AG · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGKN5N3ZISHJARVWN7YN2OQ432}

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	2026-07-05T10:12:05.701444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a994deb779448e9046b66ff0dd3a1cdea5661ce7f63a24f73c81734972aa7657

Aliases

arxiv: 2502.06366 · arxiv_version: 2502.06366v1 · doi: 10.48550/arxiv.2502.06366 · pith_short_12: VGKN5N3ZISHJ · pith_short_16: VGKN5N3ZISHJARVW · pith_short_8: VGKN5N3Z

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/VGKN5N3ZISHJARVWN7YN2OQ432 \
  | 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: a994deb779448e9046b66ff0dd3a1cdea5661ce7f63a24f73c81734972aa7657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba1b4063586996e360cd07331e5f54719909eed92ac88d0b6239d8ebb7f9919",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-10T11:34:20Z",
    "title_canon_sha256": "d0697cf351cd0ba1a268ed384c6a8fafa1986ee9625d924329f08c1a0e8074d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06366",
    "kind": "arxiv",
    "version": 1
  }
}