Pith Number

pith:74TAGONS

pith:2004:74TAGONSAUDXUO35LIMPL5EZKG

not attested not anchored not stored refs pending

Cepheid calibration of type Ia Supernovae and the Hubble constant

A. Pastorello, E. Cappellaro, G. Altavilla, G. Fiorentino, I. Musella, L. Zampieri, M. Marconi, M. Riello, M. Turatto, R. Barbon, S. Benetti

arxiv:astro-ph/0401273 v1 · 2004-01-14 · 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{74TAGONSAUDXUO35LIMPL5EZKG}

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	2026-07-04T16:42:50.532879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff260339b205077a3b7d5a18f5f4995185d0504b15edcb577f82cc6cf189e3be

Aliases

arxiv: astro-ph/0401273 · arxiv_version: astro-ph/0401273v1 · doi: 10.48550/arxiv.astro-ph/0401273 · pith_short_12: 74TAGONSAUDX · pith_short_16: 74TAGONSAUDXUO35 · pith_short_8: 74TAGONS

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/74TAGONSAUDXUO35LIMPL5EZKG \
  | 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: ff260339b205077a3b7d5a18f5f4995185d0504b15edcb577f82cc6cf189e3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d94686fae62527e1b68b6b43e9ef1fcac4d623037aaf1dea27bd764b3e36dc6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-14T15:45:33Z",
    "title_canon_sha256": "eda560e95588e0859956533ba89682745ff46fccc19ae0942f172543753802f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401273",
    "kind": "arxiv",
    "version": 1
  }
}