Pith Number

pith:Z3TG2ZPZ

pith:2013:Z3TG2ZPZEOKQFF4VE6TNM4DK4Q

not attested not anchored not stored refs pending

NuSTAR Observations of GRB130427A establish a single component synchrotron afterglow origin for the late optical to multi-GeV emission

A. Melandri, C. D. Dermer, C. G. Mundell, C. J. Hailey, C. Kouveliotou, C. L. Fryer, D. K. Stern, E. Bellm, F. A. Harrison, F. E. Christensen, G. Tagliaferri, G. Vianello, J. E. McEnery, J. Granot, J. L. Racusin, N. Gehrels, S. E. Boggs, S. Oates, W. W. Craig, W. W. Zhang

arxiv:1311.5245 v1 · 2013-11-20 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3TG2ZPZEOKQFF4VE6TNM4DK4Q}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:46:11.889100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cee66d65f9239502979527a6d6706ae43a3947ac462a46a13b9323f240e619bd

Aliases

arxiv: 1311.5245 · arxiv_version: 1311.5245v1 · doi: 10.48550/arxiv.1311.5245 · pith_short_12: Z3TG2ZPZEOKQ · pith_short_16: Z3TG2ZPZEOKQFF4V · pith_short_8: Z3TG2ZPZ

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/Z3TG2ZPZEOKQFF4VE6TNM4DK4Q \
  | 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: cee66d65f9239502979527a6d6706ae43a3947ac462a46a13b9323f240e619bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e873675febe80ed54bc7d88a04c5c3ecaa1020d7d943376c5962ff6040404dbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-20T21:53:41Z",
    "title_canon_sha256": "e0f571b956928686efa835d30739a9ee96162aea298327e16de96a73c653282e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5245",
    "kind": "arxiv",
    "version": 1
  }
}