Pith Number

pith:BWKW7X3A

pith:2013:BWKW7X3A5KHJVF25ISY3V7LDCL

not attested not anchored not stored refs pending

Discovery and redshift of an optical afterglow in 71 square degrees: iPTF13bxl and GRB 130702A

Alessandra Corsi, Arne Rau, Assaf Horesh, Dale A. Frail, Daniel A. Perley, Duncan A. Brown, Eran O. Ofek, Eric Bellm, Frank J. Masci, Iair Arcavi, Jason A. Surace, John Mulchaey, Joshua S. Bloom, Julie McEnery, Leo P. Singer, Mansi M. Kasliwal, Neil Gehrels, Ofer Yaron, Peter E. Nugent, S. Bradley Cenko, S. R. Kulkarni, Tom Barlow, Yi Cao

arxiv:1307.5851 v4 · 2013-07-22 · astro-ph.HE · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWKW7X3A5KHJVF25ISY3V7LDCL}

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	2026-05-18T03:11:00.294259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d956fdf60ea8e9a975d44b1bafd6312fab0d97017d232b223f425631c8370c2

Aliases

arxiv: 1307.5851 · arxiv_version: 1307.5851v4 · doi: 10.48550/arxiv.1307.5851 · pith_short_12: BWKW7X3A5KHJ · pith_short_16: BWKW7X3A5KHJVF25 · pith_short_8: BWKW7X3A

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/BWKW7X3A5KHJVF25ISY3V7LDCL \
  | 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: 0d956fdf60ea8e9a975d44b1bafd6312fab0d97017d232b223f425631c8370c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46cf59f91ce47c0c65f35fc0aae513fa95c32deeffcacbb83e8f0dac4f02b768",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-22T20:00:05Z",
    "title_canon_sha256": "f4313ae06c3fe3c8b4e05833f39b48824e9a553e18debab7d8b22d8d6e353e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5851",
    "kind": "arxiv",
    "version": 4
  }
}