Pith Number

pith:CTKRACYV

pith:2009:CTKRACYVEEEO7IPULPNWWVX4DQ

not attested not anchored not stored refs pending

Regions of Excessive Flux of PeV Cosmic Rays

G. V. Kulikov, M. Yu. Zotov

arxiv:0902.1637 v1 · 2009-02-10 · 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{CTKRACYVEEEO7IPULPNWWVX4DQ}

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	2026-05-18T02:14:48.533579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d5100b152108efa1f45bdb6b56fc1c0edfd8bc08fb1fb3a446b00f688c3c78

Aliases

arxiv: 0902.1637 · arxiv_version: 0902.1637v1 · doi: 10.48550/arxiv.0902.1637 · pith_short_12: CTKRACYVEEEO · pith_short_16: CTKRACYVEEEO7IPU · pith_short_8: CTKRACYV

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/CTKRACYVEEEO7IPULPNWWVX4DQ \
  | 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: 14d5100b152108efa1f45bdb6b56fc1c0edfd8bc08fb1fb3a446b00f688c3c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28c96fac02cd04f20dc3f8096df3576b4526eaf5c7513f2780fd53d8f729a2a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-10T11:59:36Z",
    "title_canon_sha256": "7c659daa03ebcfaa714a17526df92b199648bd9d05edd9de3db8e349255a6186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1637",
    "kind": "arxiv",
    "version": 1
  }
}