Pith Number

pith:FCY3LACQ

pith:2026:FCY3LACQRZL3M22JBYY3632MUT

not attested not anchored not stored refs pending

Evolving Dark Energy Is Vacuum Energy After All

Ariel Zhitnitsky, Carsten van de Bruck, Dong Ha Lee, Eleonora Di Valentino, Ludovic Van Waerbeke

arxiv:2606.20036 v1 · 2026-06-18 · astro-ph.CO · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCY3LACQRZL3M22JBYY3632MUT}

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	2026-06-19T16:13:01.274197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b1b580508e57b66b490e31bf6f4ca4cb1f3d799b893b1ea56bf676038b6ffa

Aliases

arxiv: 2606.20036 · arxiv_version: 2606.20036v1 · doi: 10.48550/arxiv.2606.20036 · pith_short_12: FCY3LACQRZL3 · pith_short_16: FCY3LACQRZL3M22J · pith_short_8: FCY3LACQ

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/FCY3LACQRZL3M22JBYY3632MUT \
  | 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: 28b1b580508e57b66b490e31bf6f4ca4cb1f3d799b893b1ea56bf676038b6ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d5688aa7f5a3466236d58d37fc371a75a7cb4741371053dedcdee8d88a6ae8",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-18T10:10:41Z",
    "title_canon_sha256": "d97925414d421e04f585ccac53f925970fda086697e92450faf129fd28dff0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20036",
    "kind": "arxiv",
    "version": 1
  }
}