Pith Number

pith:PSUUYZ4H

pith:2026:PSUUYZ4HZWOO7IHHBBVHZEHGUT

not attested not anchored not stored refs pending

High-Redshift Signatures from the Cosmic Dawn and the Epoch of Reionization

Anastasia Fialkov, Ankita Bera, Aurel Schneider, Bin Yue, Bohua Li, Hector Afonso G. Cruz, Ilian T. Iliev, Janakee Raste, Jennifer Yik Ham Chan, Julian B. Mu\~noz, Kanan K. Datta, Kinwah Wu, Meng-Lin Zhao, Meng Zhang, Oliver Basquette, Pravabati Chingangbam, Qin Han, Rennan Barkana, Sambit K. Giri, Saswata Dasgupta, Shikhar Mittal, Sudipta Sikder, Suvedha Suresh Naik, Teppei Minoda, Yidong Xu

arxiv:2606.29903 v1 · 2026-06-29 · 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{PSUUYZ4HZWOO7IHHBBVHZEHGUT}

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	2026-06-30T02:17:40.283934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca94c6787cd9cefa0e7086a7c90e6a4e4b10c8f3791fc373f209b5c7489e861

Aliases

arxiv: 2606.29903 · arxiv_version: 2606.29903v1 · doi: 10.48550/arxiv.2606.29903 · pith_short_12: PSUUYZ4HZWOO · pith_short_16: PSUUYZ4HZWOO7IHH · pith_short_8: PSUUYZ4H

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/PSUUYZ4HZWOO7IHHBBVHZEHGUT \
  | 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: 7ca94c6787cd9cefa0e7086a7c90e6a4e4b10c8f3791fc373f209b5c7489e861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71b7cb0f84f7d67d3cc52dda5dca7c74c23383f6b6b475b66ff57a0ec28c084",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-29T07:38:22Z",
    "title_canon_sha256": "c9ab3c9236472c327191eed482451aa99ccd9939a2fad64482b3b420e4a2e4ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29903",
    "kind": "arxiv",
    "version": 1
  }
}