Pith Number

pith:CTNGVNNE

pith:2025:CTNGVNNER2ESCMPK5BHHB5VR6R

not attested not anchored not stored refs pending

Little Red reionization factories

Fan Zhang

arxiv:2508.13541 v1 · 2025-08-19 · 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{CTNGVNNER2ESCMPK5BHHB5VR6R}

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	2026-07-05T11:55:49.819398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14da6ab5a48e892131eae84e70f6b1f4654765fe9bf5fb8a57272d2b91fcc1db

Aliases

arxiv: 2508.13541 · arxiv_version: 2508.13541v1 · doi: 10.48550/arxiv.2508.13541 · pith_short_12: CTNGVNNER2ES · pith_short_16: CTNGVNNER2ESCMPK · pith_short_8: CTNGVNNE

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/CTNGVNNER2ESCMPK5BHHB5VR6R \
  | 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: 14da6ab5a48e892131eae84e70f6b1f4654765fe9bf5fb8a57272d2b91fcc1db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0ced2a2050c0a3e6775985005ad5d9142dda92a7c198785301a4e53605d745",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-19T06:04:29Z",
    "title_canon_sha256": "6c47c01864aa833d65ec38666b39c9a80f1868491c9b8b65a573bb08277ac50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13541",
    "kind": "arxiv",
    "version": 1
  }
}