Pith Number

pith:JPK7BT3Q

pith:2011:JPK7BT3Q4N736KCXTUQABEWJXM

not attested not anchored not stored refs pending

New Examples of Systems of the Kowalevski Type

Katarina Kuki\'c, Vladimir Dragovi\'c

arxiv:1109.4296 v1 · 2011-09-20 · math.DS · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPK7BT3Q4N736KCXTUQABEWJXM}

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	2026-05-18T02:12:11.895003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd5f0cf70e37fbf28579d200092c9bb3a976c43235cc4742cb9ce676e8dbc34

Aliases

arxiv: 1109.4296 · arxiv_version: 1109.4296v1 · doi: 10.48550/arxiv.1109.4296 · pith_short_12: JPK7BT3Q4N73 · pith_short_16: JPK7BT3Q4N736KCX · pith_short_8: JPK7BT3Q

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/JPK7BT3Q4N736KCXTUQABEWJXM \
  | 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: 4bd5f0cf70e37fbf28579d200092c9bb3a976c43235cc4742cb9ce676e8dbc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd89d90f8f0c8bfecf841d4d4edbf0fe11a7f24959c2c5b147dfcc2d811488bd",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-09-20T13:58:06Z",
    "title_canon_sha256": "41f7eeeb179771e60ca361fe4e28cdd8799785134ade74d3760b9a3cd3238346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4296",
    "kind": "arxiv",
    "version": 1
  }
}