Pith Number

pith:KYS4U7HL

pith:2018:KYS4U7HLQ2DSH7DTZC7WG5VWCQ

not attested not anchored not stored refs pending

Exactness of Bohr-Sommerfeld quantisation for two non-central potentials

David T. S. Perkins, Robert A. Smith

arxiv:1807.10067 v1 · 2018-07-26 · 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{KYS4U7HLQ2DSH7DTZC7WG5VWCQ}

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	2026-05-18T00:00:51.683045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5625ca7ceb868723fc73c8bf6376b6142a47e86649ceefcc45a816edbde4ed65

Aliases

arxiv: 1807.10067 · arxiv_version: 1807.10067v1 · doi: 10.48550/arxiv.1807.10067 · pith_short_12: KYS4U7HLQ2DS · pith_short_16: KYS4U7HLQ2DSH7DT · pith_short_8: KYS4U7HL

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/KYS4U7HLQ2DSH7DTZC7WG5VWCQ \
  | 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: 5625ca7ceb868723fc73c8bf6376b6142a47e86649ceefcc45a816edbde4ed65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc2dc8a112bb7313d45cdd289b2ee61c3029b7687fb5cc7beef96880f26a0f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-26T11:12:18Z",
    "title_canon_sha256": "74b9e7d7bc15c24525cb35c2b86474b433b817f8b71943002638ce8184085f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10067",
    "kind": "arxiv",
    "version": 1
  }
}