Pith Number

pith:7LBHFVER

pith:2006:7LBHFVER4DETTDLADRBGYGTTH4

not attested not anchored not stored refs pending

What can be learned about dark energy evolution?

Alain Blanchard (LATT), Alain Riazuelo (IAP), Marian Douspis (IAS), Yves Zolnierowski (LAPP)

arxiv:astro-ph/0602491 v3 · 2006-02-22 · 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{7LBHFVER4DETTDLADRBGYGTTH4}

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	2026-05-18T00:48:46.400921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac272d491e0c9398d601c426c1a733f3676b42025afcafb15259451d565d99e

Aliases

arxiv: astro-ph/0602491 · arxiv_version: astro-ph/0602491v3 · doi: 10.48550/arxiv.astro-ph/0602491 · pith_short_12: 7LBHFVER4DET · pith_short_16: 7LBHFVER4DETTDLA · pith_short_8: 7LBHFVER

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/7LBHFVER4DETTDLADRBGYGTTH4 \
  | 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: fac272d491e0c9398d601c426c1a733f3676b42025afcafb15259451d565d99e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc69b6db16327a880651bb2a82dbafb92d51009dffb4a79daffdae430098e4a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-22T15:49:58Z",
    "title_canon_sha256": "2b845640b78cd5181c1ad5bbd184d1c690bfc0271766b238e16b034a0814029f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602491",
    "kind": "arxiv",
    "version": 3
  }
}