Pith Number

pith:4Z3XYZFA

pith:2012:4Z3XYZFAWKPSSQVY27FATHBC7G

not attested not anchored not stored refs pending

Regularity and irregularity of fiber dimension of non-autonomous dynamical systems

Bartlomiej Skorulski, Mariusz Urbanski, Volker Mayer

arxiv:1202.2979 v1 · 2012-02-14 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Z3XYZFAWKPSSQVY27FATHBC7G}

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	2026-05-18T04:02:24.485374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6777c64a0b29f2942b8d7ca099c22f9a90f60abb3189e625a8ad0c9543e5cf4

Aliases

arxiv: 1202.2979 · arxiv_version: 1202.2979v1 · doi: 10.48550/arxiv.1202.2979 · pith_short_12: 4Z3XYZFAWKPS · pith_short_16: 4Z3XYZFAWKPSSQVY · pith_short_8: 4Z3XYZFA

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/4Z3XYZFAWKPSSQVY27FATHBC7G \
  | 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: e6777c64a0b29f2942b8d7ca099c22f9a90f60abb3189e625a8ad0c9543e5cf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bb08bb08ea389a7f4f1f26305e002e2a4f16ffdbc760f10368ed3d993b8d572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-14T09:57:43Z",
    "title_canon_sha256": "90eb6ddf62d911d9174dafc465afd714644e477fde7b20fb7402a9d68bf1d0e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2979",
    "kind": "arxiv",
    "version": 1
  }
}