Pith Number

pith:JSQBA5MY

pith:2003:JSQBA5MYDUJFSWHDGP5Y5DR2YK

not attested not anchored not stored refs pending

Noncentral extensions as anomalies in classical dynamical systems

Jorge E. Solomin, Marcela Zuccalli

arxiv:math/0309099 v1 · 2003-09-05 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSQBA5MYDUJFSWHDGP5Y5DR2YK}

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	2026-05-18T01:38:28.858342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca01075981d125958e333fb8e8e3ac2864b3e72442650b3517c935ac655007d

Aliases

arxiv: math/0309099 · arxiv_version: math/0309099v1 · doi: 10.48550/arxiv.math/0309099 · pith_short_12: JSQBA5MYDUJF · pith_short_16: JSQBA5MYDUJFSWHD · pith_short_8: JSQBA5MY

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/JSQBA5MYDUJFSWHDGP5Y5DR2YK \
  | 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: 4ca01075981d125958e333fb8e8e3ac2864b3e72442650b3517c935ac655007d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de17b626b91d1fc7adcc6a884a9ea48c2bd282358a3cdb80f8d41b49e318ee2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2003-09-05T16:05:53Z",
    "title_canon_sha256": "180cec95542b7049b506397ca90873c0e0fcda63d91b2de995bd6ae2d0d73047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309099",
    "kind": "arxiv",
    "version": 1
  }
}