Pith Number

pith:ZCWVTH7Y

pith:2026:ZCWVTH7Y2S3VUWTNBFFJFPEBIJ

not attested not anchored not stored refs pending

An extra hard spectral component peaking at sub-GeV in the prompt emission of GRB 260226A

Hai-Ming Zhang, Ruo-Yu Liu, Xiang-Yu Wang, Yi-Yun Huang

arxiv:2607.27650 v1 · 2026-07-30 · 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{ZCWVTH7Y2S3VUWTNBFFJFPEBIJ}

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	2026-07-31T01:29:17.794959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

c8ad599ff8d4b75a5a6d094a92bc814263d1573df87f122831410195a6831940

Aliases

arxiv: 2607.27650 · arxiv_version: 2607.27650v1 · doi: 10.48550/arxiv.2607.27650 · pith_short_12: ZCWVTH7Y2S3V · pith_short_16: ZCWVTH7Y2S3VUWTN · pith_short_8: ZCWVTH7Y

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/ZCWVTH7Y2S3VUWTNBFFJFPEBIJ \
  | 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: c8ad599ff8d4b75a5a6d094a92bc814263d1573df87f122831410195a6831940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650e10e56515aef0e63a82d3ba4f93140b4dd7f2e00342ef236acff6e85fb2d6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-30T04:00:32Z",
    "title_canon_sha256": "e8f6fea8a273633ee25f5a672825b5e95c60d153d0c2ecd9b7019634e864ebef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27650",
    "kind": "arxiv",
    "version": 1
  }
}