Pith Number

pith:73ET72MD

pith:2014:73ET72MDPEFQILAFTXSGHBCRVV

not attested not anchored not stored refs pending

GRB 130427A and SN 2013cq: A Multi-wavelength Analysis of An Induced Gravitational Collapse Event

A.V. Penacchioni, C.L. Bianco, G.B. Pisani, J.A. Rueda, M. Enderli, M. Kovacevic, M. Muccino, R. Ruffini, Y. Wang

arxiv:1405.5723 v3 · 2014-05-22 · 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{73ET72MDPEFQILAFTXSGHBCRVV}

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	2026-05-18T01:43:09.291163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec93fe983790b042c059de4638451ad67f68377594e573470865b592ed84790

Aliases

arxiv: 1405.5723 · arxiv_version: 1405.5723v3 · doi: 10.48550/arxiv.1405.5723 · pith_short_12: 73ET72MDPEFQ · pith_short_16: 73ET72MDPEFQILAF · pith_short_8: 73ET72MD

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/73ET72MDPEFQILAFTXSGHBCRVV \
  | 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: fec93fe983790b042c059de4638451ad67f68377594e573470865b592ed84790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749103961f3455465ffbf6f7d810331a679b41a055f7fdabdea1fb20ade63aee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-22T12:16:59Z",
    "title_canon_sha256": "105a32d636066b786982c25c30084652e3ea258edd19a7249b73add7fadc8586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5723",
    "kind": "arxiv",
    "version": 3
  }
}