Pith Number

pith:C35QRBZP

pith:2002:C35QRBZPBLMIFULORHE5CXW7OC

not attested not anchored not stored refs pending

Fundamental parameters of Galactic luminous OB stars VI. Temperatures, masses and WLR of Cyg OB2 supergiants

A. Herrero, F. Najarro, J. Puls

arxiv:astro-ph/0210469 v1 · 2002-10-21 · 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{C35QRBZPBLMIFULORHE5CXW7OC}

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	2026-07-04T15:20:10.075067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16fb08872f0ad882d16e89c9d15edf709587eaf019d53821e827f13709798d7a

Aliases

arxiv: astro-ph/0210469 · arxiv_version: astro-ph/0210469v1 · doi: 10.48550/arxiv.astro-ph/0210469 · pith_short_12: C35QRBZPBLMI · pith_short_16: C35QRBZPBLMIFULO · pith_short_8: C35QRBZP

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/C35QRBZPBLMIFULORHE5CXW7OC \
  | 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: 16fb08872f0ad882d16e89c9d15edf709587eaf019d53821e827f13709798d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b1fbd77aad367ed2f8abcf979afa85923c3eb2e4fea5f67d86886620736f2e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-21T15:08:26Z",
    "title_canon_sha256": "359bd274c1f1df4e23ecd20b210477fa55e8e22c18272ba64cead50f364845ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210469",
    "kind": "arxiv",
    "version": 1
  }
}