Pith Number

pith:7U3RUUWQ

pith:2026:7U3RUUWQCWHIQJKOJZIHMUD2ZO

not attested not anchored not stored refs pending

Beyond $j=1$: Observational Constraints on Almost-$\Lambda$CDM Cosmologies

Jess Worsley, Peter Dunsby, Saikat Chakraborty

arxiv:2607.20348 v1 · 2026-07-22 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7U3RUUWQCWHIQJKOJZIHMUD2ZO}

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	2026-07-23T01:25:15.729214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd371a52d0158e88254e4e5076507acb813ae7978a86d24bdcb1c2e503cdfead

Aliases

arxiv: 2607.20348 · arxiv_version: 2607.20348v1 · doi: 10.48550/arxiv.2607.20348 · pith_short_12: 7U3RUUWQCWHI · pith_short_16: 7U3RUUWQCWHIQJKO · pith_short_8: 7U3RUUWQ

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/7U3RUUWQCWHIQJKOJZIHMUD2ZO \
  | 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: fd371a52d0158e88254e4e5076507acb813ae7978a86d24bdcb1c2e503cdfead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551f9d1c9b3492e9470abdb926a751b83f785e2efb0a9e4b11ac797ec3ccd5a2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-22T16:33:14Z",
    "title_canon_sha256": "45a997a1f0f311b947e35c9d2d4024a8257ef32a3538154c7a5b803e37dc3ee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20348",
    "kind": "arxiv",
    "version": 1
  }
}