Pith Number

pith:HIZBGXZS

pith:2005:HIZBGXZSBGC7MP47VQKK57I7ZV

not attested not anchored not stored refs pending

On the determination of the deceleration parameter from Supernovae data

A. Ealet, A. Tilquin, C. Tao, D. Fouchez, J.-M. Virey, P. Taxil

arxiv:astro-ph/0502163 v1 · 2005-02-08 · 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{HIZBGXZSBGC7MP47VQKK57I7ZV}

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	2026-07-04T16:50:47.549382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a32135f320985f63f9fac14aefd1fcd42e0160e6cf47006fa7fbdc308b8972e

Aliases

arxiv: astro-ph/0502163 · arxiv_version: astro-ph/0502163v1 · doi: 10.48550/arxiv.astro-ph/0502163 · pith_short_12: HIZBGXZSBGC7 · pith_short_16: HIZBGXZSBGC7MP47 · pith_short_8: HIZBGXZS

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/HIZBGXZSBGC7MP47VQKK57I7ZV \
  | 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: 3a32135f320985f63f9fac14aefd1fcd42e0160e6cf47006fa7fbdc308b8972e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac4d1ca0779573000cac4ab11353857ac49a400bd94ab7d01c93d247d34d318",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-08T15:49:00Z",
    "title_canon_sha256": "0dabb6a4909ccda3202cfb7d479a3fe886628474958bb60585a7fbf237f962ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502163",
    "kind": "arxiv",
    "version": 1
  }
}