Pith Number

pith:4UBA7XPU

pith:2023:4UBA7XPUEATCZ6FGVGUJCYDZQC

not attested not anchored not stored refs pending

Evidence of Hadronic Emission from the brightest-of-all-time GRB 221009A

Bing Zhang, Chao Zheng, Jia Ren, Kai Wang, Qing-Wen Tang, Shao-Lin Xiong, Yan-Qiu Zhang

arxiv:2310.11821 v1 · 2023-10-18 · 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{4UBA7XPUEATCZ6FGVGUJCYDZQC}

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	2026-07-05T07:02:12.728340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5020fddf420262cf8a6a9a89160798087e41654e0a0689825b482e510df91d8

Aliases

arxiv: 2310.11821 · arxiv_version: 2310.11821v1 · doi: 10.48550/arxiv.2310.11821 · pith_short_12: 4UBA7XPUEATC · pith_short_16: 4UBA7XPUEATCZ6FG · pith_short_8: 4UBA7XPU

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/4UBA7XPUEATCZ6FGVGUJCYDZQC \
  | 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: e5020fddf420262cf8a6a9a89160798087e41654e0a0689825b482e510df91d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3354eb9dd678728c5d6ed385ea7a94b6d26305e9c0a1ddc9b7c229347857da7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-10-18T09:22:28Z",
    "title_canon_sha256": "fe682677cc5b5010e3e9b0351e219b78082de789c03fd11477f91c188939aa3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.11821",
    "kind": "arxiv",
    "version": 1
  }
}