Pith Number

pith:67IRRDR7

pith:2009:67IRRDR7QKZ5YL2W7Q7N35PO6U

not attested not anchored not stored refs pending

Dynamics of a Dirac oscillator coupled to an external field: A new class of solvable problems

Emerson Sadurni, Juan Mauricio Torres, Thomas H. Seligman

arxiv:0902.1476 v4 · 2009-02-09 · quant-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67IRRDR7QKZ5YL2W7Q7N35PO6U}

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	2026-05-18T02:24:56.480293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7d1188e3f82b3dc2f56fc3eddf5eef5190b1a9ac9ca74cadee3a77d04de78c1

Aliases

arxiv: 0902.1476 · arxiv_version: 0902.1476v4 · doi: 10.48550/arxiv.0902.1476 · pith_short_12: 67IRRDR7QKZ5 · pith_short_16: 67IRRDR7QKZ5YL2W · pith_short_8: 67IRRDR7

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/67IRRDR7QKZ5YL2W7Q7N35PO6U \
  | 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: f7d1188e3f82b3dc2f56fc3eddf5eef5190b1a9ac9ca74cadee3a77d04de78c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494cd5d3f64707fe151945eb49860d7db58652e1dbb13de6b64af1d49a0d07ca",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-09T17:39:58Z",
    "title_canon_sha256": "f427c7ead7f39917500bb017770c085a84e0eb6cfc9e9c8ef8ef94beb0dcc0f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1476",
    "kind": "arxiv",
    "version": 4
  }
}