Pith Number

pith:S6CJFXEY

pith:2018:S6CJFXEYV3S4XUJPLNLDUJEP3E

not attested not anchored not stored refs pending

Some results on natural numbers represented by quadratic polynomials in two variables

B. M. Cerna Magui\~na, H. Blas, V. H. L\'opez Sol\'is

arxiv:1808.06145 v1 · 2018-08-18 · 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{S6CJFXEYV3S4XUJPLNLDUJEP3E}

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	2026-05-18T00:07:45.903916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

978492dc98aee5cbd12f5b563a248fd92296094c14528d6ab17ab5e6c1fec7de

Aliases

arxiv: 1808.06145 · arxiv_version: 1808.06145v1 · doi: 10.48550/arxiv.1808.06145 · pith_short_12: S6CJFXEYV3S4 · pith_short_16: S6CJFXEYV3S4XUJP · pith_short_8: S6CJFXEY

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/S6CJFXEYV3S4XUJPLNLDUJEP3E \
  | 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: 978492dc98aee5cbd12f5b563a248fd92296094c14528d6ab17ab5e6c1fec7de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dba543449683dea209052223f5804497601ab61163484b96b0905bdb43f360e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-08-18T23:13:04Z",
    "title_canon_sha256": "8444d3ce1175efc7ad82bd575b3b9dce969afef3f594eff5124058d68f756b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06145",
    "kind": "arxiv",
    "version": 1
  }
}