Pith Number

pith:WNYPJ4HC

pith:2012:WNYPJ4HCDMIOUQM5EIVVRZ6CDW

not attested not anchored not stored refs pending

NLTE analysis of Sr lines in spectra of late-type stars with new R-matrix atomic data

C. J. Hansen, G. Ruchti, M. Bautista, M. Bergemann

arxiv:1207.2451 v1 · 2012-07-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNYPJ4HCDMIOUQM5EIVVRZ6CDW}

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.

Cited by

1 paper in Pith

The chemical make-up of the Sun: A 2020 vision

Receipt and verification

First computed	2026-05-18T01:56:25.713444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b370f4f0e21b10ea419d222b58e7c21da9513872146e8a0fd5b586d47703ad33

Aliases

arxiv: 1207.2451 · arxiv_version: 1207.2451v1 · doi: 10.48550/arxiv.1207.2451 · pith_short_12: WNYPJ4HCDMIO · pith_short_16: WNYPJ4HCDMIOUQM5 · pith_short_8: WNYPJ4HC

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/WNYPJ4HCDMIOUQM5EIVVRZ6CDW \
  | 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: b370f4f0e21b10ea419d222b58e7c21da9513872146e8a0fd5b586d47703ad33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1055e9bb3517a075b92c7937f454889521fedbce2390c11084fd81ad7402409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-10T19:47:25Z",
    "title_canon_sha256": "583c8c1e5d016522b939a59db8629d755d3a6892d903bf6480bb1a94ac0431e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2451",
    "kind": "arxiv",
    "version": 1
  }
}