Pith Number

pith:W5CBVQVT

pith:2002:W5CBVQVTBKJLOHBOVG2ZGC6IIZ

not attested not anchored not stored refs pending

Beaming Effects in Gamma-Ray Bursts

K.S. Cheng (HKU), T. Lu (NJU), Y.F. Huang (NJU), Z.G. Dai (NJU)

arxiv:astro-ph/0207609 v3 · 2002-07-29 · 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{W5CBVQVTBKJLOHBOVG2ZGC6IIZ}

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	2026-05-18T01:21:50.428621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7441ac2b30a92b71c2ea9b5930bc84646874c4d0ea96f61dc526a88e626f0fb

Aliases

arxiv: astro-ph/0207609 · arxiv_version: astro-ph/0207609v3 · doi: 10.48550/arxiv.astro-ph/0207609 · pith_short_12: W5CBVQVTBKJL · pith_short_16: W5CBVQVTBKJLOHBO · pith_short_8: W5CBVQVT

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/W5CBVQVTBKJLOHBOVG2ZGC6IIZ \
  | 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: b7441ac2b30a92b71c2ea9b5930bc84646874c4d0ea96f61dc526a88e626f0fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "732450ebbffa70a534c3309b30df715625d5ae7da59becf42543158d2b59f087",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-29T01:53:16Z",
    "title_canon_sha256": "2ce8ab0cf126554d6e637c4d0e4fe1d88dc2708879c5de91eab2d4f690f896db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207609",
    "kind": "arxiv",
    "version": 3
  }
}