Pith Number

pith:NI2HNUX3

pith:2017:NI2HNUX3A3GMULVZCMSHGLZXSE

not attested not anchored not stored refs pending

Explicit linear pfaffian representations of plane curves up to degree 5

David Oscari

arxiv:1712.03600 v1 · 2017-12-10 · 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{NI2HNUX3A3GMULVZCMSHGLZXSE}

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	2026-05-18T00:28:20.637372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3476d2fb06ccca2eb91324732f3791102b758a6e97f91f4da5ce218ac72bd6

Aliases

arxiv: 1712.03600 · arxiv_version: 1712.03600v1 · doi: 10.48550/arxiv.1712.03600 · pith_short_12: NI2HNUX3A3GM · pith_short_16: NI2HNUX3A3GMULVZ · pith_short_8: NI2HNUX3

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/NI2HNUX3A3GMULVZCMSHGLZXSE \
  | 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: 6a3476d2fb06ccca2eb91324732f3791102b758a6e97f91f4da5ce218ac72bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d9397ec9341c6125a7ea2d535a72484f3529a07e3fecac90bac8478ca994c6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-10T22:27:41Z",
    "title_canon_sha256": "ff2ba76765ef8728077a807319e223ec49159c8031be34b5a6da2538818fd136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03600",
    "kind": "arxiv",
    "version": 1
  }
}