Pith Number

pith:XOHJABO4

pith:2013:XOHJABO4CNLAMQZJXSMOES2QWC

not attested not anchored not stored refs pending

Discovery of the broad-lined Type Ic SN 2013cq associated with the very energetic GRB 130427A

A. Cabrera-Lavers, A. de Ugarte Postigo, B. Milvang-Jensen, C. Cao, C. C. Thoene, D. J. Watson, D. Malesani, D. Xu, G. Leloudas, H. Flores, J. Gorosabel, J. Hjorth, J. P. U. Fynbo, J. Sollerman, L. Kaper, L. P. Xin, M. Sparre, P. Jakobsson, R. Sanchez-Ramirez, S. Covino, S. Geier, S. M. Hu, S. Schulze, T. Kruhler, T. M. Zhang, W. K. Zheng, Y. C. Zou, Z. Cano

arxiv:1305.6832 v2 · 2013-05-29 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOHJABO4CNLAMQZJXSMOES2QWC}

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	2026-05-18T03:11:23.832112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb8e9005dc1356064329bc98e24b50b0af608450e7e12482ef62cd52e04bfcee

Aliases

arxiv: 1305.6832 · arxiv_version: 1305.6832v2 · doi: 10.48550/arxiv.1305.6832 · pith_short_12: XOHJABO4CNLA · pith_short_16: XOHJABO4CNLAMQZJ · pith_short_8: XOHJABO4

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/XOHJABO4CNLAMQZJXSMOES2QWC \
  | 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: bb8e9005dc1356064329bc98e24b50b0af608450e7e12482ef62cd52e04bfcee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c59c5d066a11e299706beb2bcab620e88c4a3b45ff86f7d9dcd869cd135f4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-29T15:22:25Z",
    "title_canon_sha256": "06c1b29c1b6a54649f561739b04fbe7b7591c1421a1fdfeff326e694135698ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6832",
    "kind": "arxiv",
    "version": 2
  }
}