Pith Number

pith:BACUDTPQ

pith:2015:BACUDTPQL43J2KW4A5JBEURLNL

not attested not anchored not stored refs pending

Multi-configuration Dirac-Hartree-Fock calculations of excitation energies, oscillator strengths and hyperfine structure constants for low-lying levels of Sm I

Fuyang Zhou, Jianguo Wang, Jiguang Li, Yizhi Qu

arxiv:1509.04422 v1 · 2015-09-15 · physics.atom-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{BACUDTPQL43J2KW4A5JBEURLNL}

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	2026-05-18T01:33:07.216482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

080541cdf05f369d2adc075212522b6adc4bf61af02fd6ca755095d642965be4

Aliases

arxiv: 1509.04422 · arxiv_version: 1509.04422v1 · doi: 10.48550/arxiv.1509.04422 · pith_short_12: BACUDTPQL43J · pith_short_16: BACUDTPQL43J2KW4 · pith_short_8: BACUDTPQ

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/BACUDTPQL43J2KW4A5JBEURLNL \
  | 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: 080541cdf05f369d2adc075212522b6adc4bf61af02fd6ca755095d642965be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272e0ae9e91c3c537c63ae10b32c060aaff52e344773742de5608821585169aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-09-15T07:16:14Z",
    "title_canon_sha256": "8ded4fcadae5cac1140d129bb1e234a15ef9ae2f60628bb76be50dcdb7205aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04422",
    "kind": "arxiv",
    "version": 1
  }
}