Pith Number

pith:PNITZBCY

pith:2017:PNITZBCY6RS3X3Q7MNLAJL5KMC

not attested not anchored not stored refs pending

Universal cosmic rays energy spectrum and the mass composition at the 'ankle' and above

Arnold W. Wolfendale, Tadeusz Wibig

arxiv:1706.05872 v1 · 2017-06-19 · 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{PNITZBCY6RS3X3Q7MNLAJL5KMC}

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	2026-05-18T00:42:08.674290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b513c8458f465bbee1f635604afaa609498c7cbc6366e6ed311cb56931c5e2d

Aliases

arxiv: 1706.05872 · arxiv_version: 1706.05872v1 · doi: 10.48550/arxiv.1706.05872 · pith_short_12: PNITZBCY6RS3 · pith_short_16: PNITZBCY6RS3X3Q7 · pith_short_8: PNITZBCY

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/PNITZBCY6RS3X3Q7MNLAJL5KMC \
  | 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: 7b513c8458f465bbee1f635604afaa609498c7cbc6366e6ed311cb56931c5e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44edb71404e50f9b4a9469c0fe1ebde57c9846d2bf2a70bf6875782b372712d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-19T10:45:04Z",
    "title_canon_sha256": "a5b87e66a6fc70294223bb9cb6294ab2d14565942c10514a8a11093f76f5779a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05872",
    "kind": "arxiv",
    "version": 1
  }
}