Pith Number

pith:VKLQ2WTR

pith:1993:VKLQ2WTREN7RH4W6HT276G5GFO

not attested not anchored not stored refs pending

Evidence That Gamma-Ray Burst Sources Repeat

D.Q. Lamb, J.M. Quashnock

arxiv:astro-ph/9307015 v2 · 1993-07-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKLQ2WTREN7RH4W6HT276G5GFO}

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	2026-05-18T01:12:44.312881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa970d5a71237f13f2de3cf5ff1ba62b84b6a26b19a18548e8ce86edf71142ce

Aliases

arxiv: astro-ph/9307015 · arxiv_version: astro-ph/9307015v2 · doi: 10.48550/arxiv.astro-ph/9307015 · pith_short_12: VKLQ2WTREN7R · pith_short_16: VKLQ2WTREN7RH4W6 · pith_short_8: VKLQ2WTR

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/VKLQ2WTREN7RH4W6HT276G5GFO \
  | 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: aa970d5a71237f13f2de3cf5ff1ba62b84b6a26b19a18548e8ce86edf71142ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90e88d6a07441cddbbbc102d07ee77cfc4377abcaf56b3e6f86607b765f374d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-07-08T18:25:50Z",
    "title_canon_sha256": "8b0952ee626fbab38e716a986beb3ab832a5ad0414a6f391b306d3fc780f9baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9307015",
    "kind": "arxiv",
    "version": 2
  }
}