Pith Number

pith:QNOLFVTY

pith:2025:QNOLFVTYBP2QMKL5JBKNW33ID3

not attested not anchored not stored refs pending

The GROND GRB sample: II. Fireball parameters for four GRB afterglows

Hendrik van Eerten, Jochen Greiner, Karla Varela, Patricia Schady

arxiv:2507.09002 v1 · 2025-07-11 · 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{QNOLFVTYBP2QMKL5JBKNW33ID3}

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	2026-07-05T12:03:29.218480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835cb2d6780bf506297d4854db6f681ef9928f4a6d9777d1aee07a9b03cedacd

Aliases

arxiv: 2507.09002 · arxiv_version: 2507.09002v1 · doi: 10.48550/arxiv.2507.09002 · pith_short_12: QNOLFVTYBP2Q · pith_short_16: QNOLFVTYBP2QMKL5 · pith_short_8: QNOLFVTY

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/QNOLFVTYBP2QMKL5JBKNW33ID3 \
  | 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: 835cb2d6780bf506297d4854db6f681ef9928f4a6d9777d1aee07a9b03cedacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af19cfbc761759122e836dda72c65bddd150680c5c1e2b9abdf51e335061605e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-11T20:08:15Z",
    "title_canon_sha256": "c58b20d5eabf6fd98d31ee5540562ac074af9232cf600b7202c8603effa1a69c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09002",
    "kind": "arxiv",
    "version": 1
  }
}