Pith Number

pith:OL7O3RRX

pith:2012:OL7O3RRXE5XBLS4JCWVTVXKTQ3

not attested not anchored not stored refs pending

NLTE line formation of Fe in late-type stars II: 1D spectroscopic stellar parameters

Karin Lind, Maria Bergemann, Martin Asplund

arxiv:1207.2454 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{OL7O3RRXE5XBLS4JCWVTVXKTQ3}

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	2026-05-18T01:56:25.704299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72feedc637276e15cb8915ab3add5386fc2784339eb9dd46011e008a1de808d4

Aliases

arxiv: 1207.2454 · arxiv_version: 1207.2454v1 · doi: 10.48550/arxiv.1207.2454 · pith_short_12: OL7O3RRXE5XB · pith_short_16: OL7O3RRXE5XBLS4J · pith_short_8: OL7O3RRX

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/OL7O3RRXE5XBLS4JCWVTVXKTQ3 \
  | 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: 72feedc637276e15cb8915ab3add5386fc2784339eb9dd46011e008a1de808d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd90b08235b46fd0c5898744d9c2c9005f66180df765842592c0eb5f0e6516b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-10T19:55:36Z",
    "title_canon_sha256": "5f68ebc58221dab8f201ba93dff3ebf8740441cc9fc830ba80720f8c7ff4d204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2454",
    "kind": "arxiv",
    "version": 1
  }
}