Pith Number

pith:Z5QB3JZA

pith:2026:Z5QB3JZAHAQPDCSGV6SJBPNDDH

not attested not anchored not stored refs pending

A hidden reionization prior biases cosmological inference

Huanyuan Shan, Zihan Wang

arxiv:2606.27903 v1 · 2026-06-26 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5QB3JZAHAQPDCSGV6SJBPNDDH}

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	2026-06-29T01:14:52.156659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf601da7203820f18a46afa490bda319da77098ba58a1be7b72514d9e9c4ad3c

Aliases

arxiv: 2606.27903 · arxiv_version: 2606.27903v1 · doi: 10.48550/arxiv.2606.27903 · pith_short_12: Z5QB3JZAHAQP · pith_short_16: Z5QB3JZAHAQPDCSG · pith_short_8: Z5QB3JZA

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/Z5QB3JZAHAQPDCSGV6SJBPNDDH \
  | 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: cf601da7203820f18a46afa490bda319da77098ba58a1be7b72514d9e9c4ad3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a8403d894f3a93cc5c67c472c0142710a77412237ac97d8adaef8579bdf107",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-26T09:53:37Z",
    "title_canon_sha256": "971ef818762071a01ccfc6ec8ee1a742e926e2949796c33e10a3a85bd345d2aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27903",
    "kind": "arxiv",
    "version": 1
  }
}