Pith Number

pith:SAJN56YY

pith:2020:SAJN56YYBF6CCFSFZVPGB6SIMW

not attested not anchored not stored refs pending

On Diophantine equations over $\mathbb Z[i]$ with $52$ unknowns

Yuri Matiyasevich, Zhi-Wei Sun

arxiv:2002.12136 v3 · 2020-02-24 · math.NT · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAJN56YYBF6CCFSFZVPGB6SIMW}

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	2026-07-05T02:10:59.483361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9012defb18097c211645cd5e60fa48659a8d96834861d51345e97181bfde1ae1

Aliases

arxiv: 2002.12136 · arxiv_version: 2002.12136v3 · doi: 10.48550/arxiv.2002.12136 · pith_short_12: SAJN56YYBF6C · pith_short_16: SAJN56YYBF6CCFSF · pith_short_8: SAJN56YY

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/SAJN56YYBF6CCFSFZVPGB6SIMW \
  | 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: 9012defb18097c211645cd5e60fa48659a8d96834861d51345e97181bfde1ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9001e7a140f66565833cca26237a780cb36c116849d1da7c9f8eec17375604",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2020-02-24T18:36:30Z",
    "title_canon_sha256": "270601b0be1928aac913ee79f3944e5a8ea50a9e9b7f95321ebaa5f4267d7d07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12136",
    "kind": "arxiv",
    "version": 3
  }
}