Pith Number

pith:5DJVVDFZ

pith:1999:5DJVVDFZZBPG6DRXKSBAKLBTKJ

not attested not anchored not stored refs pending

Elemental Composition of Cosmic Rays near the Knee by Multiparameter Measurement of Air Showerss

D. B. Kieda, S. P. Swordy

arxiv:astro-ph/9909381 v1 · 1999-09-22 · 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{5DJVVDFZZBPG6DRXKSBAKLBTKJ}

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	2026-05-18T04:21:32.065404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d35a8cb9c85e6f0e375482052c33527abb370b1f9e38d925f73727d8622242

Aliases

arxiv: astro-ph/9909381 · arxiv_version: astro-ph/9909381v1 · doi: 10.48550/arxiv.astro-ph/9909381 · pith_short_12: 5DJVVDFZZBPG · pith_short_16: 5DJVVDFZZBPG6DRX · pith_short_8: 5DJVVDFZ

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/5DJVVDFZZBPG6DRXKSBAKLBTKJ \
  | 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: e8d35a8cb9c85e6f0e375482052c33527abb370b1f9e38d925f73727d8622242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "830e97d0fb7b23fea417f8e4ea3528771584efba7be12dd3416bc9cd9dda242b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-22T17:41:41Z",
    "title_canon_sha256": "b5a3bb429d29e327fd66a7e0a31ac916499d56d8a66f392406423377f8e6858e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909381",
    "kind": "arxiv",
    "version": 1
  }
}