Pith Number

pith:IYLD4RSK

pith:2018:IYLD4RSKLQLJKVJG2KLGL3RV5J

not attested not anchored not stored refs pending

The Cosmic-Ray Spectra: News on their Knees

A. De R\'ujula

arxiv:1802.06626 v2 · 2018-02-19 · hep-ph · 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{IYLD4RSKLQLJKVJG2KLGL3RV5J}

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	2026-05-17T23:54:26.322344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46163e464a5c16955526d29665ee35ea7f84d35418ddd1b1abce9fa1e696da1e

Aliases

arxiv: 1802.06626 · arxiv_version: 1802.06626v2 · doi: 10.48550/arxiv.1802.06626 · pith_short_12: IYLD4RSKLQLJ · pith_short_16: IYLD4RSKLQLJKVJG · pith_short_8: IYLD4RSK

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/IYLD4RSKLQLJKVJG2KLGL3RV5J \
  | 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: 46163e464a5c16955526d29665ee35ea7f84d35418ddd1b1abce9fa1e696da1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc1a29284f8ab27c49277683c145a85368c49c69491c38bcaf4bbe479dcbb89",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-02-19T13:49:01Z",
    "title_canon_sha256": "e2de74ee39e248eb2b4ef2ef387203455295f246f8eb9e3d870a0a4c2199c74d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06626",
    "kind": "arxiv",
    "version": 2
  }
}