Pith Number

pith:UK4CELJH

pith:2026:UK4CELJHUTXPB7TJKPYLUL3Y7A

not attested not anchored not stored refs pending

Impact of CMB low-$\ell$ EE polarization data on dark energy parameterizations

Shantanu Desai, Shubham Barua

arxiv:2606.15603 v2 · 2026-06-14 · 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{UK4CELJHUTXPB7TJKPYLUL3Y7A}

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	2026-08-03T01:15:15.695380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b8222d27a4eef0fe6953f0ba2f78f822459bb2a7dc0d8496a08dc778df933c

Aliases

arxiv: 2606.15603 · arxiv_version: 2606.15603v2 · doi: 10.48550/arxiv.2606.15603 · pith_short_12: UK4CELJHUTXP · pith_short_16: UK4CELJHUTXPB7TJ · pith_short_8: UK4CELJH

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/UK4CELJHUTXPB7TJKPYLUL3Y7A \
  | 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: a2b8222d27a4eef0fe6953f0ba2f78f822459bb2a7dc0d8496a08dc778df933c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3a6d545f8e3d104aeb60b64e8e0b3ee1562c1be32533d50b97ca92c1c3bbbc5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-14T05:12:27Z",
    "title_canon_sha256": "33ce13df4c6b47f0e702fcd73e2a1e886d6b7db7e649813b05c35589b9a1d04d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.15603",
    "kind": "arxiv",
    "version": 2
  }
}