Pith Number

pith:VQGU4MQD

pith:2003:VQGU4MQDS2FPZTYXAI4ZHES6XT

not attested not anchored not stored refs pending

Jets in GRBs: Tests and Predictions for the Structured Jet Model

Dale Frail (NRAO), Re'em Sari (CALTECH), Rosalba Perna (Harvard)

arxiv:astro-ph/0305145 v1 · 2003-05-08 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQGU4MQDS2FPZTYXAI4ZHES6XT}

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	2026-07-04T16:37:00.056092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0d4e3203968afccf17023993925ebcf367a89c0c4b59f3282c83fbdfe96ec0

Aliases

arxiv: astro-ph/0305145 · arxiv_version: astro-ph/0305145v1 · doi: 10.48550/arxiv.astro-ph/0305145 · pith_short_12: VQGU4MQDS2FP · pith_short_16: VQGU4MQDS2FPZTYX · pith_short_8: VQGU4MQD

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/VQGU4MQDS2FPZTYXAI4ZHES6XT \
  | 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: ac0d4e3203968afccf17023993925ebcf367a89c0c4b59f3282c83fbdfe96ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2668290b0ae3152a2591c27790e08582ceb17b202d0ac5f1493c436c69f15979",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-08T23:11:17Z",
    "title_canon_sha256": "3f051a1452a5c504b983e6a4a019bc962ab4c7fde04f3efd7a9837c5d4505ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305145",
    "kind": "arxiv",
    "version": 1
  }
}