Pith Number

pith:L7MB5FSJ

pith:1999:L7MB5FSJCPD7XI2N35YIWWWSF5

not attested not anchored not stored refs pending

A Database of Cepheid Distance Moduli and TRGB, GCLF, PNLF and SBF Data Useful for Distance Determinations

Barry F. Madore, Brad K. Gibson, Daniel D. Kelson, Garth D. Illingworth, Holland C. Ford, Jeremy R. Mould, John A. Graham, John Huchra, Jr., Kim Sebo & N.A. Silbermann, Laura Ferrarese, Lucas Macri, Peter B. Stetson, Robert C. Kennicutt, Shaun M. Hughes, Shoko Sakai, Wendy L. Freedman

arxiv:astro-ph/9910501 v1 · 1999-10-27 · 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{L7MB5FSJCPD7XI2N35YIWWWSF5}

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	2026-05-18T03:47:42.351675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd81e964913c7fba34ddf708b5ad22f750a05d82985c433b5b1e41cff83b695

Aliases

arxiv: astro-ph/9910501 · arxiv_version: astro-ph/9910501v1 · doi: 10.48550/arxiv.astro-ph/9910501 · pith_short_12: L7MB5FSJCPD7 · pith_short_16: L7MB5FSJCPD7XI2N · pith_short_8: L7MB5FSJ

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/L7MB5FSJCPD7XI2N35YIWWWSF5 \
  | 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: 5fd81e964913c7fba34ddf708b5ad22f750a05d82985c433b5b1e41cff83b695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6292144a486868157a93b2dc29d19237df167fde32fa08621fdd4beb0b92ca04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-27T23:04:11Z",
    "title_canon_sha256": "d6074bb7dbad63632915e84c54bc0a726f5c2c44f4b69a7d93caba624b486984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910501",
    "kind": "arxiv",
    "version": 1
  }
}