Pith Number

pith:F4SMISMR

pith:2026:F4SMISMRXYLY3KPLWC7LJUN2TA

not attested not anchored not stored refs pending

An internal shock model calibrated with real gamma-ray burst light curves using a genetic algorithm

Cristiano Guidorzi, Manuele Maistrello, Romain Maccary, Shiho Kobayashi

arxiv:2607.12731 v1 · 2026-07-14 · 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{F4SMISMRXYLY3KPLWC7LJUN2TA}

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	2026-07-15T01:22:14.814910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f24c44991be178da9ebb0beb4d1ba9809be77901a906c6552a240a657d6acd2

Aliases

arxiv: 2607.12731 · arxiv_version: 2607.12731v1 · doi: 10.48550/arxiv.2607.12731 · pith_short_12: F4SMISMRXYLY · pith_short_16: F4SMISMRXYLY3KPL · pith_short_8: F4SMISMR

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/F4SMISMRXYLY3KPLWC7LJUN2TA \
  | 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: 2f24c44991be178da9ebb0beb4d1ba9809be77901a906c6552a240a657d6acd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e6abb82f6f4ecd7c6af5e949ca607013da236541bff55b7cceb99ceeebfdd7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-14T13:02:44Z",
    "title_canon_sha256": "965cc9c948c436fa9bf5f4ce7eba4ce75e394b42757427d8d862477997c1fd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12731",
    "kind": "arxiv",
    "version": 1
  }
}