Pith Number

pith:FKCUKTNF

pith:2004:FKCUKTNFHG6X5ZF2UYZPZDT3Y4

not attested not anchored not stored refs pending

Semi-classical analysis of real atomic spectra beyond Gutzwiller's approximation

Beno\^it Gr\'emaud

arxiv:nlin/0406055 v2 · 2004-06-24 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKCUKTNFHG6X5ZF2UYZPZDT3Y4}

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	2026-05-18T01:08:49.234558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a85454da539bd7ee4baa632fc8e7bc738f5e673c4013247cb4709fb86f8f340

Aliases

arxiv: nlin/0406055 · arxiv_version: nlin/0406055v2 · doi: 10.48550/arxiv.nlin/0406055 · pith_short_12: FKCUKTNFHG6X · pith_short_16: FKCUKTNFHG6X5ZF2 · pith_short_8: FKCUKTNF

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/FKCUKTNFHG6X5ZF2UYZPZDT3Y4 \
  | 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: 2a85454da539bd7ee4baa632fc8e7bc738f5e673c4013247cb4709fb86f8f340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf1d6f7f06efdff1d6ae7a819e324dc1f75d0f751f5f531e2a8cbb2f53a297e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2004-06-24T09:05:02Z",
    "title_canon_sha256": "d3662cfdc43fb247c776a47afc5fae168b819c7db99fec7d8579b55e503a4350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0406055",
    "kind": "arxiv",
    "version": 2
  }
}