Pith Number

pith:C2XFVBKK

pith:2011:C2XFVBKK2ATNQ3MGB7NO6PQ7K6

not attested not anchored not stored refs pending

Remarks on the chemical composition of highest-energy cosmic rays

Grzegorz Wilk, Zbigniew Wlodarczyk

arxiv:1108.4276 v1 · 2011-08-22 · 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{C2XFVBKK2ATNQ3MGB7NO6PQ7K6}

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	2026-05-18T04:07:41.625865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16ae5a854ad026d86d860fdaef3e1f5782be94eb91086609f0c7cc5e20f465bb

Aliases

arxiv: 1108.4276 · arxiv_version: 1108.4276v1 · doi: 10.48550/arxiv.1108.4276 · pith_short_12: C2XFVBKK2ATN · pith_short_16: C2XFVBKK2ATNQ3MG · pith_short_8: C2XFVBKK

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/C2XFVBKK2ATNQ3MGB7NO6PQ7K6 \
  | 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: 16ae5a854ad026d86d860fdaef3e1f5782be94eb91086609f0c7cc5e20f465bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9b507fc6bebefd68c5ce6b5f541b6c79b6002e4692fb9c844f34af12382aec",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-22T10:46:23Z",
    "title_canon_sha256": "319e10f42f3c80809b9c0ff25f9cc211b25b243e2cc1d309fb79056030c05f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4276",
    "kind": "arxiv",
    "version": 1
  }
}