Pith Number

pith:Q23NQNKM

pith:2013:Q23NQNKMAZIHEL5CN7M6UUJXGY

not attested not anchored not stored refs pending

Spin and pseudospin symmetries of the Dirac equation with confining central potentials

A. S. de Castro, M. Malheiro, P. Alberto

arxiv:1302.2067 v1 · 2013-02-08 · nucl-th · hep-th · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q23NQNKMAZIHEL5CN7M6UUJXGY}

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	2026-05-18T01:51:43.463890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b6d8354c0650722fa26fd9ea5137363be922800870eee867a5b36fff44e21c

Aliases

arxiv: 1302.2067 · arxiv_version: 1302.2067v1 · doi: 10.48550/arxiv.1302.2067 · pith_short_12: Q23NQNKMAZIH · pith_short_16: Q23NQNKMAZIHEL5C · pith_short_8: Q23NQNKM

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/Q23NQNKMAZIHEL5CN7M6UUJXGY \
  | 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: 86b6d8354c0650722fa26fd9ea5137363be922800870eee867a5b36fff44e21c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8832e48b19119daa7cc0a5cf542613ad25b308854b75160dca3e99af908f31f0",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2013-02-08T15:49:01Z",
    "title_canon_sha256": "af22b514aa2d14bb6ce805a9a8de06f45cb6c6e94e67e9224bcd06f08558b30d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2067",
    "kind": "arxiv",
    "version": 1
  }
}