pith. sign in
Pith Number

pith:HUEDIH3G

pith:2026:HUEDIH3GZMK7LO3ZVQR36WCPSX
not attested not anchored not stored refs pending

$w_0$-probe: A new diagnostic of dark energy based on $Om$

Arman Shafieloo, Ryan E. Keeley, Satadru Bag, Varun Sahni

arxiv:2605.27230 v1 · 2026-05-26 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HUEDIH3GZMK7LO3ZVQR36WCPSX}

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 2026-05-27T02:06:06.718209Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3d08341f66cb15f5bb79ac23bf584f95c9aa7d06de5d6dba7759202e5f8bd4fe

Aliases

arxiv: 2605.27230 · arxiv_version: 2605.27230v1 · doi: 10.48550/arxiv.2605.27230 · pith_short_12: HUEDIH3GZMK7 · pith_short_16: HUEDIH3GZMK7LO3Z · pith_short_8: HUEDIH3G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HUEDIH3GZMK7LO3ZVQR36WCPSX \
  | 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: 3d08341f66cb15f5bb79ac23bf584f95c9aa7d06de5d6dba7759202e5f8bd4fe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4df56329c42aed5bc173ec4890c0fe3e70bba6ba573afd63b87976fd0aef1df7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-26T16:10:20Z",
    "title_canon_sha256": "6e6e6392f1ca844871e02c2f47e410c0d01036a85dd32783b0de1519c578a3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27230",
    "kind": "arxiv",
    "version": 1
  }
}