pith. sign in
Pith Number

pith:VYIRIXV6

pith:2013:VYIRIXV6EWPB2VCBY66FQ2SPE6
not attested not anchored not stored refs pending

A Reverse Shock in GRB 130427A

A. M. Soderberg, A. Ray, B. A. Zauderer, E. Berger, P. Chandra, R. Chornock, R. Lunnan, R. Margutti, S. Chakraborti, T. Laskar

arxiv:1305.2453 v1 · 2013-05-10 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VYIRIXV6EWPB2VCBY66FQ2SPE6}

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 2026-05-18T01:50:03.456428Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ae11145ebe259e1d5441c7bc586a4f27b82bc13faff02e3b3e1fbae5a7ae7b4a

Aliases

arxiv: 1305.2453 · arxiv_version: 1305.2453v1 · doi: 10.48550/arxiv.1305.2453 · pith_short_12: VYIRIXV6EWPB · pith_short_16: VYIRIXV6EWPB2VCB · pith_short_8: VYIRIXV6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VYIRIXV6EWPB2VCBY66FQ2SPE6 \
  | 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: ae11145ebe259e1d5441c7bc586a4f27b82bc13faff02e3b3e1fbae5a7ae7b4a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ebc320ec93d46423b4ac171c04e00ba263eb367cbcf2b36e473080ee5433eb06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-10T23:09:26Z",
    "title_canon_sha256": "a858ee75a581b059988e4b87bbc5eb50161fa04f3a818bb5a9231fb814b57a4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2453",
    "kind": "arxiv",
    "version": 1
  }
}