Pith Number

pith:EZB4H3QY

pith:2017:EZB4H3QYEMXW4DYYOG5ONR3AE6

not attested not anchored not stored refs pending

On a certain non-split cubic surface

Jianya Liu, Jie Wu, Kevin Destagnol, R\'egis de la Bret\`eche, Yongqiang Zhao

arxiv:1709.09476 v2 · 2017-09-27 · 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{EZB4H3QYEMXW4DYYOG5ONR3AE6}

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	2026-05-17T23:58:31.170948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2643c3ee18232f6e0f1871bae6c7602798f53d72ec4c241a6f153b895959340a

Aliases

arxiv: 1709.09476 · arxiv_version: 1709.09476v2 · doi: 10.48550/arxiv.1709.09476 · pith_short_12: EZB4H3QYEMXW · pith_short_16: EZB4H3QYEMXW4DYY · pith_short_8: EZB4H3QY

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/EZB4H3QYEMXW4DYYOG5ONR3AE6 \
  | 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: 2643c3ee18232f6e0f1871bae6c7602798f53d72ec4c241a6f153b895959340a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2057de50a3c298d0a080581b07986a9719c44f18f828f48d132063e85d1dfed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-09-27T12:46:04Z",
    "title_canon_sha256": "5cc5c29aa4fa8f87e44ba02784d9385818f2c1a1d04691b4a72469b7fc135639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09476",
    "kind": "arxiv",
    "version": 2
  }
}