Pith Number

pith:COAI3YRL

pith:2026:COAI3YRLA634FZRBJFNXRJGYDB

not attested not anchored not stored refs pending

Recoupled Dark Radiation reconciling CMB and DESI BAO measurements

Julien Lesgourgues, Maria Archidiacono, Ravi Kumar Sharma

arxiv:2605.18716 v1 · 2026-05-18 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COAI3YRLA634FZRBJFNXRJGYDB}

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.

Cited by

1 paper in Pith

Recoupled Dark Radiation reconciling CMB and DESI BAO measurements

Receipt and verification

First computed	2026-05-20T00:06:16.697724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13808de22b07b7c2e621495b78a4d8187d9d05a74649acc00175fd8dc012e6a4

Aliases

arxiv: 2605.18716 · arxiv_version: 2605.18716v1 · doi: 10.48550/arxiv.2605.18716 · pith_short_12: COAI3YRLA634 · pith_short_16: COAI3YRLA634FZRB · pith_short_8: COAI3YRL

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/COAI3YRLA634FZRBJFNXRJGYDB \
  | 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: 13808de22b07b7c2e621495b78a4d8187d9d05a74649acc00175fd8dc012e6a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5df3e0e06f652ff517cda409398fa606542553f7804f0268d5ff1d7558dfe12",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-18T17:47:36Z",
    "title_canon_sha256": "ac699c17cfe7d11d3e4e6f47723d936af5c9df59379079a72480587fd9597cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18716",
    "kind": "arxiv",
    "version": 1
  }
}