pith. sign in
Pith Number

pith:2E2DDHY4

pith:2016:2E2DDHY4IP6RZWRF7CFBY57EAK
not attested not anchored not stored refs pending

There is no Diophantine quintuple

Alain Togb\`e, Bo He, Volker Ziegler

arxiv:1610.04020 v2 · 2016-10-13 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2E2DDHY4IP6RZWRF7CFBY57EAK}

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 2026-05-18T00:20:17.702739Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d134319f1c43fd1cda25f88a1c77e402bc1de2091d43e684897e415c86b16ee7

Aliases

arxiv: 1610.04020 · arxiv_version: 1610.04020v2 · doi: 10.48550/arxiv.1610.04020 · pith_short_12: 2E2DDHY4IP6R · pith_short_16: 2E2DDHY4IP6RZWRF · pith_short_8: 2E2DDHY4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2E2DDHY4IP6RZWRF7CFBY57EAK \
  | 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: d134319f1c43fd1cda25f88a1c77e402bc1de2091d43e684897e415c86b16ee7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e07062862af55065fbc5d335b68ab9a9272a4dd925b4a4d54eaa8ae828d835a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-10-13T10:57:36Z",
    "title_canon_sha256": "536b70075252d8e30f3706da3238b0115a7af503f91dc767d162a00b69acb9db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04020",
    "kind": "arxiv",
    "version": 2
  }
}