pith. sign in
Pith Number

pith:ROAGDQTJ

pith:2013:ROAGDQTJ5GCZFVYPPK2G22BDIQ
not attested not anchored not stored refs pending

An external-shock model for GRB afterglow 130427A

A. Panaitescu, P. Wozniak, W.T. Vestrand

arxiv:1311.5867 v1 · 2013-11-22 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ROAGDQTJ5GCZFVYPPK2G22BDIQ}

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 2026-05-18T01:46:06.857141Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8b8061c269e98592d70f7ab46d682344063eada2649ba0378085b4f69b9ceef8

Aliases

arxiv: 1311.5867 · arxiv_version: 1311.5867v1 · doi: 10.48550/arxiv.1311.5867 · pith_short_12: ROAGDQTJ5GCZ · pith_short_16: ROAGDQTJ5GCZFVYP · pith_short_8: ROAGDQTJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ROAGDQTJ5GCZFVYPPK2G22BDIQ \
  | 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: 8b8061c269e98592d70f7ab46d682344063eada2649ba0378085b4f69b9ceef8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9882589511bd5a5abf1e9f8b0203b762fd4bf503e57b5688d7f0682f3d3b64ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-22T20:15:14Z",
    "title_canon_sha256": "b823cf31c47a35ef1efbda6959e44c369b18287cb0b6fe34dfbaabee00f43231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5867",
    "kind": "arxiv",
    "version": 1
  }
}