Pith Number

pith:LCICVHVY

pith:2013:LCICVHVYJ7AJZW6GGADJODXAEL

not attested not anchored not stored refs pending

Estimate of the fraction of primary photons in the cosmic-ray flux at energies ~10^17 eV from the EAS-MSU experiment data

G.V. Kulikov, N.N. Kalmykov, S.V. Troitsky, V.P. Sulakov, Yu.A. Fomin

arxiv:1307.4988 v2 · 2013-07-18 · astro-ph.HE · hep-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{LCICVHVYJ7AJZW6GGADJODXAEL}

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	2026-05-18T03:00:49.402517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58902a9eb84fc09cdbc63006970ee022fcb3abb99075b9737b6be8dfc031a88c

Aliases

arxiv: 1307.4988 · arxiv_version: 1307.4988v2 · doi: 10.48550/arxiv.1307.4988 · pith_short_12: LCICVHVYJ7AJ · pith_short_16: LCICVHVYJ7AJZW6G · pith_short_8: LCICVHVY

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/LCICVHVYJ7AJZW6GGADJODXAEL \
  | 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: 58902a9eb84fc09cdbc63006970ee022fcb3abb99075b9737b6be8dfc031a88c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aceec608af3be71ab442a3a70259a3450df3ef34b0221977fd4f6150f424c92",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-18T15:50:34Z",
    "title_canon_sha256": "5f67887d74c8b805f7fb9ecf18332e44f0b76344b50359dd4635f7210acc0b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4988",
    "kind": "arxiv",
    "version": 2
  }
}