Pith Number

pith:IB7FFEW6

pith:2007:IB7FFEW6RSN7ZDH6QHY6IAA7ZZ

not attested not anchored not stored refs pending

Information-theoretic model selection applied to supernovae data

Cosmology, Katowice, Marek Biesiada (Dept. of Astrophysics, Poland), University of Silesia

arxiv:astro-ph/0701721 v1 · 2007-01-25 · 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{IB7FFEW6RSN7ZDH6QHY6IAA7ZZ}

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

A barotropic alternative to Early Dark Energy for alleviating the $H_0$ tension

Receipt and verification

First computed	2026-05-18T04:38:36.991680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407e5292de8c9bfc8cfe81f1e4001fce45f463197247f488a1ae6c3dee9bdad4

Aliases

arxiv: astro-ph/0701721 · arxiv_version: astro-ph/0701721v1 · doi: 10.48550/arxiv.astro-ph/0701721 · pith_short_12: IB7FFEW6RSN7 · pith_short_16: IB7FFEW6RSN7ZDH6 · pith_short_8: IB7FFEW6

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/IB7FFEW6RSN7ZDH6QHY6IAA7ZZ \
  | 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: 407e5292de8c9bfc8cfe81f1e4001fce45f463197247f488a1ae6c3dee9bdad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e130624df90c95808c12d793c0919c9885f3f02c0e0c57a854a61691e1074bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-25T10:18:36Z",
    "title_canon_sha256": "2ad92d21e777c47bfd42c5bc264cd9063345fb957dce9981d2f42a9fe7fb9c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701721",
    "kind": "arxiv",
    "version": 1
  }
}