Pith Number

pith:3CP5PPIF

pith:2013:3CP5PPIFWUVXUJMFUWDKEQ2WGW

not attested not anchored not stored refs pending

A systematic approach to reductions of type-Q ABS equations

Mike Hay, Nobutaka Nakazono, Phil Howes, Yang Shi

arxiv:1307.3390 v2 · 2013-07-12 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CP5PPIFWUVXUJMFUWDKEQ2WGW}

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	2026-05-18T02:29:39.268499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d89fd7bd05b52b7a2585a586a2435635b67da60d71fe897baef6316a83eaf660

Aliases

arxiv: 1307.3390 · arxiv_version: 1307.3390v2 · doi: 10.48550/arxiv.1307.3390 · pith_short_12: 3CP5PPIFWUVX · pith_short_16: 3CP5PPIFWUVXUJMF · pith_short_8: 3CP5PPIF

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/3CP5PPIFWUVXUJMFUWDKEQ2WGW \
  | 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: d89fd7bd05b52b7a2585a586a2435635b67da60d71fe897baef6316a83eaf660

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cdd69b17e0c5fb1f44b8d910547165efad9373b3e8c2f0e2831b5a9d747bc56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-07-12T09:34:12Z",
    "title_canon_sha256": "8e4796d1d28b4cd341c3b62917b4c37c1ce00bc8d98ad2b8ac843cb71f2edd1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3390",
    "kind": "arxiv",
    "version": 2
  }
}