Pith Number

pith:IDF4NVXW

pith:2026:IDF4NVXWWOYNN4TL444IWPLSFV

not attested not anchored not stored refs pending

Gamma-ray bursts reveal the history and faint contributors of cosmic reionization

Alvio Renzini, Andrea Ferrara, Andrea Grazian, Giulia Rodighiero, Jing-Meng Hao, Jun-Hui Fan, Paolo Cassata, Zhen-Ya Zheng

arxiv:2607.07610 v1 · 2026-07-08 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDF4NVXWWOYNN4TL444IWPLSFV}

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	2026-07-09T01:20:36.709101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40cbc6d6f6b3b0d6f26be7388b3d722d7229416e10500338c99d8f7288cf443f

Aliases

arxiv: 2607.07610 · arxiv_version: 2607.07610v1 · doi: 10.48550/arxiv.2607.07610 · pith_short_12: IDF4NVXWWOYN · pith_short_16: IDF4NVXWWOYNN4TL · pith_short_8: IDF4NVXW

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/IDF4NVXWWOYNN4TL444IWPLSFV \
  | 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: 40cbc6d6f6b3b0d6f26be7388b3d722d7229416e10500338c99d8f7288cf443f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e33102053c0e81968d0e7b97031fd1c683117a196579a168114ef163618d80",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-08T16:28:32Z",
    "title_canon_sha256": "522ba2caa2d04312860b60ebbecb41eb17943e6b0490c697113818345e1ee073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07610",
    "kind": "arxiv",
    "version": 1
  }
}