Pith Number

pith:KCWYMLGG

pith:2006:KCWYMLGGR77ZLKEZKXSNRY5QTL

not attested not anchored not stored refs pending

Heavy metals and lead isotopes in sdB stars

S. O'Toole, U. Heber

arxiv:astro-ph/0612535 v1 · 2006-12-19 · astro-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{KCWYMLGGR77ZLKEZKXSNRY5QTL}

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	2026-07-04T14:58:06.635645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ad862cc68fff95a89955e4d8e3b09aca3285f5fb7d08dec1fb4eccd61c2292

Aliases

arxiv: astro-ph/0612535 · arxiv_version: astro-ph/0612535v1 · doi: 10.48550/arxiv.astro-ph/0612535 · pith_short_12: KCWYMLGGR77Z · pith_short_16: KCWYMLGGR77ZLKEZ · pith_short_8: KCWYMLGG

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/KCWYMLGGR77ZLKEZKXSNRY5QTL \
  | 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: 50ad862cc68fff95a89955e4d8e3b09aca3285f5fb7d08dec1fb4eccd61c2292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f39291718b19f2140ad7386b60f7b85b67f78b0576ce8a50b6a5cff0fda779",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-19T14:04:41Z",
    "title_canon_sha256": "7be432c064b92de81554225158d4d0b71a2edf437525d48a0c2d1a97e18f1db6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612535",
    "kind": "arxiv",
    "version": 1
  }
}