Pith Number

pith:W32ZMEGJ

pith:2005:W32ZMEGJTXMC54EXNCC4F4LLTR

not attested not anchored not stored refs pending

The projection factor of delta Cephei A calibration of the Baade-Wesselink method using the CHARA Array

CHARA), David H. Berger (CHARA), Harold A. Mcalister (CHARA), Jason P. Aufdenberg (NOAO), Judit Sturmann (CHARA), Laszlo Sturmann (CHARA), M\'erand Antoine (LESIA), Nils H. Turner (CHARA), NOAO, Pierre Kervella (LESIA), Stephen T. Ridgway (LESIA, Theo A. Ten Brummelaar (CHARA), Vincent Coude Du Foresto (LESIA)

arxiv:astro-ph/0506695 v1 · 2005-06-28 · 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{W32ZMEGJTXMC54EXNCC4F4LLTR}

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	2026-05-18T01:08:59.034941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f59610c99dd82ef0976885c2f16b9c622ed574459c80f9169cfb0eda1ed51c

Aliases

arxiv: astro-ph/0506695 · arxiv_version: astro-ph/0506695v1 · doi: 10.48550/arxiv.astro-ph/0506695 · pith_short_12: W32ZMEGJTXMC · pith_short_16: W32ZMEGJTXMC54EX · pith_short_8: W32ZMEGJ

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/W32ZMEGJTXMC54EXNCC4F4LLTR \
  | 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: b6f59610c99dd82ef0976885c2f16b9c622ed574459c80f9169cfb0eda1ed51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bba985d1e1c967b0a36468499d78765af0d139161441eadfb239c239ef78a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-28T14:09:00Z",
    "title_canon_sha256": "1a6900fb2c73e6574774c4a00de2f64dae993aee3d9e2d94dee1b996c4b6276f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506695",
    "kind": "arxiv",
    "version": 1
  }
}