Pith Number

pith:YI5LP62W

pith:2008:YI5LP62WTNGS7U6L5BN6SOMV5J

not attested not anchored not stored refs pending

The Afterglows of Swift-era Gamma-Ray Bursts II.: Type I GRB versus Type II GRB Optical Afterglows

A. C. Wilson, B. E. Cobb, B. Zhang, D. A. Kann, D. Fugazza, D. Malesani, E. Nakar, F. Mannucci, G. Chincarini, G. L. Israel, G. Tagliaferri, J. Gorosabel, K. Wiersema, L. A. Antonelli, L. Stella, M. Della Valle, N. R. Butler, P. D'Avanzo, P. Ferrero, S. Covino, S. Klose, S. Piranomonte, S. Schulze, V. D'Elia

arxiv:0804.1959 v2 · 2008-04-11 · astro-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YI5LP62WTNGS7U6L5BN6SOMV5J}

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	2026-05-18T04:20:36.100807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c23ab7fb569b4d2fd3cbe85be93995ea4606bb446dc1917f3a7b497f0b44735f

Aliases

arxiv: 0804.1959 · arxiv_version: 0804.1959v2 · doi: 10.48550/arxiv.0804.1959 · pith_short_12: YI5LP62WTNGS · pith_short_16: YI5LP62WTNGS7U6L · pith_short_8: YI5LP62W

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/YI5LP62WTNGS7U6L5BN6SOMV5J \
  | 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: c23ab7fb569b4d2fd3cbe85be93995ea4606bb446dc1917f3a7b497f0b44735f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2396f842d7044c9999edfd335985b045848b812b18e338cfcf97102939670d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-11T21:15:58Z",
    "title_canon_sha256": "20094139c963955ec9f9a95290ac9cab56fe9d15ecf3da1c5084b504d781ecf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1959",
    "kind": "arxiv",
    "version": 2
  }
}