Pith Number

pith:KIQJ7PZ3

pith:2005:KIQJ7PZ3ZKJXU3OV2NQ4OLZIVR

not attested not anchored not stored refs pending

The Beaming Factor and Other Open Questions In GRB Jets

Tsvi Piran

arxiv:astro-ph/0502473 v3 · 2005-02-23 · 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{KIQJ7PZ3ZKJXU3OV2NQ4OLZIVR}

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	2026-05-18T04:36:30.198844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52209fbf3bca937a6dd5d361c72f28ac6b4aa6ad9da34a7945046c70efc652eb

Aliases

arxiv: astro-ph/0502473 · arxiv_version: astro-ph/0502473v3 · doi: 10.48550/arxiv.astro-ph/0502473 · pith_short_12: KIQJ7PZ3ZKJX · pith_short_16: KIQJ7PZ3ZKJXU3OV · pith_short_8: KIQJ7PZ3

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/KIQJ7PZ3ZKJXU3OV2NQ4OLZIVR \
  | 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: 52209fbf3bca937a6dd5d361c72f28ac6b4aa6ad9da34a7945046c70efc652eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56da0fef9ba0b258a2e91367c8cf31df7c290b54b6e02c96fe3a8f0d4900d914",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-23T02:32:44Z",
    "title_canon_sha256": "72f9bd74bb34001a0120643c03e211d5492f41732fdeebf1f5dae53dfbed785a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502473",
    "kind": "arxiv",
    "version": 3
  }
}