Pith Number

pith:SD43AYG4

pith:2017:SD43AYG4D3E456MFQCXCPXVBBC

not attested not anchored not stored refs pending

Positivity of the height jump divisor

David Holmes, Jose Ignacio Burgos Gil, Robin de Jong

arxiv:1701.00370 v2 · 2017-01-02 · math.CV · 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{SD43AYG4D3E456MFQCXCPXVBBC}

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	2026-05-18T00:20:27.680246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f9b060dc1ec9cef98580ae27dea108b629e688ad2c631a2c8dd2fca9990d26

Aliases

arxiv: 1701.00370 · arxiv_version: 1701.00370v2 · doi: 10.48550/arxiv.1701.00370 · pith_short_12: SD43AYG4D3E4 · pith_short_16: SD43AYG4D3E456MF · pith_short_8: SD43AYG4

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/SD43AYG4D3E456MFQCXCPXVBBC \
  | 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: 90f9b060dc1ec9cef98580ae27dea108b629e688ad2c631a2c8dd2fca9990d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f367218e2fb8dd5fef0ea6e5e9a6450fefe8b221cea8eae14f00a879908e6342",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-02T12:27:55Z",
    "title_canon_sha256": "610768da9666dbb366ea8d39510927f9ef5dd533684d2bd66fb5a33d831931e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00370",
    "kind": "arxiv",
    "version": 2
  }
}