Pith Number

pith:U42GQ2JD

pith:2013:U42GQ2JDMNUER5IRA4AQM6AAPS

not attested not anchored not stored refs pending

Cosmic ray spectrum in the energy range 1.0E15-1.0E18 eV and the second knee according to the small Cherenkov setup at the Yakutsk EAS array

G.G. Struchkov, I.Ye. Sleptsov, R. Sidorov, S.K. Starostin, S.P. Knurenko, Z.E. Petrov

arxiv:1310.1978 v1 · 2013-10-08 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U42GQ2JDMNUER5IRA4AQM6AAPS}

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	2026-05-18T03:10:59.732800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a734686923636848f51107010678007ca91b8926101692a044ec4bd4dc866035

Aliases

arxiv: 1310.1978 · arxiv_version: 1310.1978v1 · doi: 10.48550/arxiv.1310.1978 · pith_short_12: U42GQ2JDMNUE · pith_short_16: U42GQ2JDMNUER5IR · pith_short_8: U42GQ2JD

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/U42GQ2JDMNUER5IRA4AQM6AAPS \
  | 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: a734686923636848f51107010678007ca91b8926101692a044ec4bd4dc866035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b285f1b78447440317eb77c93fc1b6102094fbc5eb5cf471479150c394c20beb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-08T01:29:35Z",
    "title_canon_sha256": "b2714666c3b47e3cad652ad1f4932dcdf80c92a54b5ef2a1ccc0b40241dcac95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1978",
    "kind": "arxiv",
    "version": 1
  }
}