Pith Number

pith:YSF5ZTKH

pith:2012:YSF5ZTKHK27OIZ47RNWUBOBTSS

not attested not anchored not stored refs pending

On reciprocal equivalence of St\"ackel systems

Krzysztof Marciniak, Maciej Blaszak

arxiv:1201.0446 v2 · 2012-01-02 · 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{YSF5ZTKHK27OIZ47RNWUBOBTSS}

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	2026-05-18T00:19:04.928854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48bdccd4756bee4679f8b6d40b833948ee7741420c76e5ee53ef4445f92f164

Aliases

arxiv: 1201.0446 · arxiv_version: 1201.0446v2 · doi: 10.48550/arxiv.1201.0446 · pith_short_12: YSF5ZTKHK27O · pith_short_16: YSF5ZTKHK27OIZ47 · pith_short_8: YSF5ZTKH

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/YSF5ZTKHK27OIZ47RNWUBOBTSS \
  | 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: c48bdccd4756bee4679f8b6d40b833948ee7741420c76e5ee53ef4445f92f164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b17c6afe6e0b3f7491f59e58eddfe4c0ee34b951a10d59e162e138404694da8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-01-02T10:18:23Z",
    "title_canon_sha256": "3c4db93811a71477b20efe49e5cd65cb52c19c22daca2fe954051ecab70dbb2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0446",
    "kind": "arxiv",
    "version": 2
  }
}