Pith Number

pith:JMYYDSUE

pith:2026:JMYYDSUE5TUHMM5UGQHIZKXHUB

not attested not anchored not stored refs pending

Constraining the Potential Index $n$ of the Early Dark Energy Model Using Cosmic Birefringence from Planck and ACT

Kedi Zhang, Lu Yin

arxiv:2605.24341 v1 · 2026-05-23 · 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{JMYYDSUE5TUHMM5UGQHIZKXHUB}

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	2026-05-26T01:03:00.791063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3181ca84ece87633b4340e8caae7a061f471d0cbe44d3656469a7826fd7ff2

Aliases

arxiv: 2605.24341 · arxiv_version: 2605.24341v1 · doi: 10.48550/arxiv.2605.24341 · pith_short_12: JMYYDSUE5TUH · pith_short_16: JMYYDSUE5TUHMM5U · pith_short_8: JMYYDSUE

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/JMYYDSUE5TUHMM5UGQHIZKXHUB \
  | 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: 4b3181ca84ece87633b4340e8caae7a061f471d0cbe44d3656469a7826fd7ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5f65c8bdf90ca2937efb9763c7ffde7a738b00cb0ad686af5bb0a484236069",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-23T01:55:21Z",
    "title_canon_sha256": "563c3673023a292d5910145728891043dcf9b3b7a2fc075b3df873b5bd6a13f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24341",
    "kind": "arxiv",
    "version": 1
  }
}