Pith Number

pith:ELKWF6R6

pith:1999:ELKWF6R6QQEINAFYRUSJP6INVD

not attested not anchored not stored refs pending

Muon Detection of TeV Gamma Rays from Gamma Ray Bursts

F. Halzen, J. Alvarez-Muniz

arxiv:astro-ph/9902039 v1 · 1999-02-02 · 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{ELKWF6R6QQEINAFYRUSJP6INVD}

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	2026-05-18T04:17:53.619940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d562fa3e84088680b88d2497f90da8ce0822f3b7c37426cfb1702bed18569b

Aliases

arxiv: astro-ph/9902039 · arxiv_version: astro-ph/9902039v1 · doi: 10.48550/arxiv.astro-ph/9902039 · pith_short_12: ELKWF6R6QQEI · pith_short_16: ELKWF6R6QQEINAFY · pith_short_8: ELKWF6R6

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/ELKWF6R6QQEINAFYRUSJP6INVD \
  | 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: 22d562fa3e84088680b88d2497f90da8ce0822f3b7c37426cfb1702bed18569b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d8695b08285666a7a01d470c6113ce9b513d360b891b14f0db3e974adbdebd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-02T16:15:50Z",
    "title_canon_sha256": "9760d9902ddde0aad61f42b599275345ea044dcc8fc9861b3769fc511d431fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902039",
    "kind": "arxiv",
    "version": 1
  }
}