Pith Number

pith:WO2ZF64C

pith:2023:WO2ZF64CBPREYRIY437H7JIRXX

not attested not anchored not stored refs pending

Crossing the Rubicon of Reionization with z~5 QSOs

A. Bongiorno, A. Grazian, C. Feruglio, E. Giallongo, F. Fiore, F. Fontanot, F. Guarneri, G. Calderone, G. Cupani, I. Saccheo, K. Boutsia, M. Bischetti, M. Porru, S. Cristiani, V. D'Odorico

arxiv:2307.12421 v2 · 2023-07-23 · astro-ph.GA · 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{WO2ZF64CBPREYRIY437H7JIRXX}

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	2026-07-05T06:37:34.077344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3b592fb820be24c4518e6fe7fa511bdd1d3577cbcd287fd462ad5990aad7afb

Aliases

arxiv: 2307.12421 · arxiv_version: 2307.12421v2 · doi: 10.48550/arxiv.2307.12421 · pith_short_12: WO2ZF64CBPRE · pith_short_16: WO2ZF64CBPREYRIY · pith_short_8: WO2ZF64C

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/WO2ZF64CBPREYRIY437H7JIRXX \
  | 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: b3b592fb820be24c4518e6fe7fa511bdd1d3577cbcd287fd462ad5990aad7afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afac338a1c84d4d08ff0429f6728e155df3350d91065f91369f0d8b4bbf99b59",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-23T20:22:01Z",
    "title_canon_sha256": "4854212b168ea42cd1718a0cd9b9444eab43d5e5cd649e427b1616d8f472cc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.12421",
    "kind": "arxiv",
    "version": 2
  }
}