Pith Number

pith:QK4PM3HC

pith:2013:QK4PM3HCT2F6R4ZOOJGXHORASI

not attested not anchored not stored refs pending

Short GRB 130603B: Discovery of a jet break in the optical and radio afterglows, and a mysterious late-time X-ray excess

Anne M. Hedlund, B. Ashley Zauderer, Brian D. Metzger, Claire M. Dickey, Edo Berger, Giulia Migliori, Karen J. Meech, Paul Harding, Raffaella Margutti, Ragnhild Lunnan, Ryan Chornock, Ryan J. Foley, Sarah Sonnett, Steven J. Desch, Tanmoy Laskar, Wen-fai Fong

arxiv:1309.7479 v1 · 2013-09-28 · 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{QK4PM3HCT2F6R4ZOOJGXHORASI}

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	2026-05-18T01:47:25.051391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0

Aliases

arxiv: 1309.7479 · arxiv_version: 1309.7479v1 · doi: 10.48550/arxiv.1309.7479 · pith_short_12: QK4PM3HCT2F6 · pith_short_16: QK4PM3HCT2F6R4ZO · pith_short_8: QK4PM3HC

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/QK4PM3HCT2F6R4ZOOJGXHORASI \
  | 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: 82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8555399fdf32d28e98cab51b84e0b3255ce74ea96570ad70a0a11f6ed04d39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-28T17:08:31Z",
    "title_canon_sha256": "d42267b440792fab5e889f2b88554c9c43ba39f1e8468eb2d895276a025d0656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7479",
    "kind": "arxiv",
    "version": 1
  }
}