Pith Number

pith:VN67JT2J

pith:2026:VN67JT2JEOU2OSRUS7HQXB6U3M

not attested not anchored not stored refs pending

Tightening Bounds on Warm Dark Matter with High-Redshift Gamma-Ray Bursts

Bao Wang, Ding-Fang Hu, Jing-Meng Hao, Jun-Jie Wei, Xi Kang, Xue-Feng Wu, Yang Liu

arxiv:2607.25261 v1 · 2026-07-28 · astro-ph.HE · 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{VN67JT2JEOU2OSRUS7HQXB6U3M}

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	2026-07-29T00:25:11.574546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab7df4cf4923a9a74a3497cf0b87d4db13a69bd4b24758c6d0529f41a3f29b71

Aliases

arxiv: 2607.25261 · arxiv_version: 2607.25261v1 · doi: 10.48550/arxiv.2607.25261 · pith_short_12: VN67JT2JEOU2 · pith_short_16: VN67JT2JEOU2OSRU · pith_short_8: VN67JT2J

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/VN67JT2JEOU2OSRUS7HQXB6U3M \
  | 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: ab7df4cf4923a9a74a3497cf0b87d4db13a69bd4b24758c6d0529f41a3f29b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071d7877356eb86da04bf5f54afa221b00765a54a124ab9cbff42d7ec5ff4eba",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-28T04:03:37Z",
    "title_canon_sha256": "6f83e03cdd36505b6d65933bfa69d5cba438be214542574cbe47d65b0c15f689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25261",
    "kind": "arxiv",
    "version": 1
  }
}