Pith Number

pith:WTRKFRTF

pith:2012:WTRKFRTFUQUUBBXHG5B76Y7WLS

not attested not anchored not stored refs pending

A redshift - observation-time relation for gamma-ray bursts: evidence of a distinct sub-luminous population

D. M. Coward, E. J. Howell

arxiv:1206.4151 v3 · 2012-06-19 · astro-ph.HE · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTRKFRTFUQUUBBXHG5B76Y7WLS}

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	2026-05-18T03:33:14.088950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e2a2c665a4294086e73743ff63f65c8fedcb0c5518de14797bbef169b507b1

Aliases

arxiv: 1206.4151 · arxiv_version: 1206.4151v3 · doi: 10.48550/arxiv.1206.4151 · pith_short_12: WTRKFRTFUQUU · pith_short_16: WTRKFRTFUQUUBBXH · pith_short_8: WTRKFRTF

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/WTRKFRTFUQUUBBXHG5B76Y7WLS \
  | 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: b4e2a2c665a4294086e73743ff63f65c8fedcb0c5518de14797bbef169b507b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ce2affe4368baed22739f0be5952b08b1147834c8b7771ab6d90cf59b06416",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-06-19T08:58:24Z",
    "title_canon_sha256": "7ab60951825db6005ed9b708040e6e22c101689bb8e488b13a21f3e4ac4b42e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4151",
    "kind": "arxiv",
    "version": 3
  }
}