Pith Number

pith:PHJGEFZ5

pith:2006:PHJGEFZ5Y6YXWLRGZ5UFVJLSGR

not attested not anchored not stored refs pending

Dynamical symmetries for superintegrable quantum systems

J. A. Calzada, J. Negro, M. A. del Olmo

arxiv:nlin/0601069 v1 · 2006-01-31 · 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{PHJGEFZ5Y6YXWLRGZ5UFVJLSGR}

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	2026-05-18T01:38:18.328333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d262173dc7b17b2e26cf685aa5723466a20cf597c4bd5cab63ffca4b3e6508

Aliases

arxiv: nlin/0601069 · arxiv_version: nlin/0601069v1 · doi: 10.48550/arxiv.nlin/0601069 · pith_short_12: PHJGEFZ5Y6YX · pith_short_16: PHJGEFZ5Y6YXWLRG · pith_short_8: PHJGEFZ5

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/PHJGEFZ5Y6YXWLRGZ5UFVJLSGR \
  | 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: 79d262173dc7b17b2e26cf685aa5723466a20cf597c4bd5cab63ffca4b3e6508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a8cda4a6818b62a2ad74ce3916a9fa8980638e0207d8777e443f3372a3ee883",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2006-01-31T14:21:36Z",
    "title_canon_sha256": "0bd8108a672dd4b605b0c178b4d17cfa872da270c9a6b98167c76f1ea3049f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0601069",
    "kind": "arxiv",
    "version": 1
  }
}