Pith Number

pith:D2EJGM7C

pith:2017:D2EJGM7CK7IDGVGNFTGXV2WPEU

not attested not anchored not stored refs pending

Singular rational curves with points of nearly-maximal weight

Ethan Cotterill, Lia Feital, Renato Vidal Martins

arxiv:1705.02658 v1 · 2017-05-07 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2EJGM7CK7IDGVGNFTGXV2WPEU}

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	2026-05-18T00:36:38.524293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e889333e257d03354cd2ccd7aeacf25047ebbd3ce94a4431796d94ef6b6506e

Aliases

arxiv: 1705.02658 · arxiv_version: 1705.02658v1 · doi: 10.48550/arxiv.1705.02658 · pith_short_12: D2EJGM7CK7ID · pith_short_16: D2EJGM7CK7IDGVGN · pith_short_8: D2EJGM7C

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/D2EJGM7CK7IDGVGNFTGXV2WPEU \
  | 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: 1e889333e257d03354cd2ccd7aeacf25047ebbd3ce94a4431796d94ef6b6506e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cdab0066ddd351bd98b19ceb1ff2d4d98cdb863c0adcf63714a3b47c53b5fa",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-07T17:01:17Z",
    "title_canon_sha256": "8bd65fa3bdacd6f0bb5c8be13f7bdd112c0bce9769cf7bfc465a0d873890a930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02658",
    "kind": "arxiv",
    "version": 1
  }
}