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Pith Number

pith:4UICKQRI

pith:1993:4UICKQRIWV6SB3VJXH2R4GLHZH
not attested not anchored not stored refs pending

Cosmic Rays IV. The spectrum and chemical composition above $10^4$ GeV

P.L. Biermann, T.K. Gaisser, T. Stanev

arxiv:astro-ph/9303006 v1 · 1993-03-11 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4UICKQRIWV6SB3VJXH2R4GLHZH}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T14:14:25.146447Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e510254228b57d20eea9b9f51e1967c9c9adabf7bd50032ac285fda64eb83160

Aliases

arxiv: astro-ph/9303006 · arxiv_version: astro-ph/9303006v1 · doi: 10.48550/arxiv.astro-ph/9303006 · pith_short_12: 4UICKQRIWV6S · pith_short_16: 4UICKQRIWV6SB3VJ · pith_short_8: 4UICKQRI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4UICKQRIWV6SB3VJXH2R4GLHZH \
  | 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: e510254228b57d20eea9b9f51e1967c9c9adabf7bd50032ac285fda64eb83160
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2cb2f28cb85d85a7c49380263d8215932a3653a34651456edd701fc4c2802112",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-03-11T13:49:42Z",
    "title_canon_sha256": "be67ec8180c7b8b37e23c1628ef664b4a1ba6b9735ffcf227e88b6ffd72f971c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9303006",
    "kind": "arxiv",
    "version": 1
  }
}