Pith Number

pith:QDE4G5Q5

pith:1999:QDE4G5Q5IKQRULD45PZDWVTYSZ

not attested not anchored not stored refs pending

The Reddening-Free Decline Rate Versus Luminosity Relationship for Type Ia Supernovae

J. Maza, M. Hamuy, M. M. Phillips, N. B. Suntzeff, P. Lira, R. A. Schommer

arxiv:astro-ph/9907052 v1 · 1999-07-05 · 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{QDE4G5Q5IKQRULD45PZDWVTYSZ}

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.

Cited by

1 paper in Pith

Modeling the probability distribution for cosmological analysis with photometrically classified samples

Receipt and verification

First computed	2026-07-04T15:20:41.876547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c9c3761d42a11a2c7cebf23b567896618ba43cc72af0f937ffd795b7e483a3

Aliases

arxiv: astro-ph/9907052 · arxiv_version: astro-ph/9907052v1 · doi: 10.48550/arxiv.astro-ph/9907052 · pith_short_12: QDE4G5Q5IKQR · pith_short_16: QDE4G5Q5IKQRULD4 · pith_short_8: QDE4G5Q5

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/QDE4G5Q5IKQRULD45PZDWVTYSZ \
  | 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: 80c9c3761d42a11a2c7cebf23b567896618ba43cc72af0f937ffd795b7e483a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc1b79b5986c4e1c494b7453ba1130c0e9bcf95eff58110530fb36264a565d00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-05T14:47:33Z",
    "title_canon_sha256": "f89735540ad8be6873108f84fabf7bb7d0e90e5558808c65c494d722e023e469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907052",
    "kind": "arxiv",
    "version": 1
  }
}