Pith Number

pith:FM4MTEOI

pith:2006:FM4MTEOIRCI7QGA7KR6CICW3UM

not attested not anchored not stored refs pending

Is the apparent acceleration of the Universe expansion driven by a dark energy-like component or by inhomogeneities?

Marie-No\"elle C\'el\'erier

arxiv:astro-ph/0612222 v2 · 2006-12-08 · 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{FM4MTEOIRCI7QGA7KR6CICW3UM}

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	2026-05-18T00:59:12.743703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b38c991c88891f8181f547c240adba336e71f9f551ebd6e93efa73dd4e707ad

Aliases

arxiv: astro-ph/0612222 · arxiv_version: astro-ph/0612222v2 · doi: 10.48550/arxiv.astro-ph/0612222 · pith_short_12: FM4MTEOIRCI7 · pith_short_16: FM4MTEOIRCI7QGA7 · pith_short_8: FM4MTEOI

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/FM4MTEOIRCI7QGA7KR6CICW3UM \
  | 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: 2b38c991c88891f8181f547c240adba336e71f9f551ebd6e93efa73dd4e707ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bf5e20fed7c719d7c45b02edb6599fab7aad8cb32626117b142274a480d5703",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-08T15:09:45Z",
    "title_canon_sha256": "ce585ccbc1eb40f752416970bd254e887af0871bfae70b184857cd2e4061db2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612222",
    "kind": "arxiv",
    "version": 2
  }
}