Pith Number

pith:ICJOMDNE

pith:1999:ICJOMDNEI6VSDFDA2L6AFI52WD

not attested not anchored not stored refs pending

Cosmic ray composition estimation below the knee of the spectrum from the time structure of Cherenkov light in EAS

M. D. Roberts

arxiv:astro-ph/9908098 v1 · 1999-08-09 · 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{ICJOMDNEI6VSDFDA2L6AFI52WD}

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	2026-05-18T04:25:11.939460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4092e60da447ab219460d2fc02a3bab0fdc4e1707e9ff140a861c126c21b6fef

Aliases

arxiv: astro-ph/9908098 · arxiv_version: astro-ph/9908098v1 · doi: 10.48550/arxiv.astro-ph/9908098 · pith_short_12: ICJOMDNEI6VS · pith_short_16: ICJOMDNEI6VSDFDA · pith_short_8: ICJOMDNE

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/ICJOMDNEI6VSDFDA2L6AFI52WD \
  | 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: 4092e60da447ab219460d2fc02a3bab0fdc4e1707e9ff140a861c126c21b6fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b87108df03e39a5fb2b52f7b7402f05490fccb33679c9f8b17dbbdc4eed24f0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-09T17:24:04Z",
    "title_canon_sha256": "cdf67b4cb8a5707294a6a58341ae7e97d9db5b5f16ad5fa60a5fddc23cacae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908098",
    "kind": "arxiv",
    "version": 1
  }
}