Pith Number

pith:BU3SOTSG

pith:2013:BU3SOTSG5PMAHGQUJEXOYYYZ4Q

not attested not anchored not stored refs pending

The Swift Gamma-Ray Burst redshift distribution: selection biases or rate evolution at high-z?

Bruce Gendre, David Coward, Eric Howell, Giulia Stratta, Marica Branchesi

arxiv:1305.3366 v1 · 2013-05-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU3SOTSG5PMAHGQUJEXOYYYZ4Q}

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	2026-05-18T03:25:36.025404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d37274e46ebd8039a14492eec6319e43f1fdf0706f01bf4cf194966eedde5ca

Aliases

arxiv: 1305.3366 · arxiv_version: 1305.3366v1 · doi: 10.48550/arxiv.1305.3366 · pith_short_12: BU3SOTSG5PMA · pith_short_16: BU3SOTSG5PMAHGQU · pith_short_8: BU3SOTSG

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/BU3SOTSG5PMAHGQUJEXOYYYZ4Q \
  | 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: 0d37274e46ebd8039a14492eec6319e43f1fdf0706f01bf4cf194966eedde5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29112a2942a72a433958910a0161319a93a862583cc4ffdabe72e04f27bd0fcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-15T06:36:17Z",
    "title_canon_sha256": "cd5262438ac8b025b7611349bfccaaec339d67dc504cd9fc39e233e39461e22a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3366",
    "kind": "arxiv",
    "version": 1
  }
}