Pith Number

pith:FFAHDWGK

pith:2018:FFAHDWGKQYXOZP3Z4DA6H5ANYC

not attested not anchored not stored refs pending

A Comparison of Galactic Cosmic Ray Proton and Helium Nuclei Spectra From ~10 MeV/nuc to 1 TeV/nuc Using New Voyager and Higher Energy Magnetic Spectrometer Measurements - Are There Differences In the Source Spectra of The Two Nuclei

W.R. Webber

arxiv:1805.09895 v1 · 2018-05-24 · physics.space-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{FFAHDWGKQYXOZP3Z4DA6H5ANYC}

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	2026-05-18T00:14:58.851190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294071d8ca862eecbf79e0c1e3f40dc08af2c182fcc8f8fb1001f1ac2d241522

Aliases

arxiv: 1805.09895 · arxiv_version: 1805.09895v1 · doi: 10.48550/arxiv.1805.09895 · pith_short_12: FFAHDWGKQYXO · pith_short_16: FFAHDWGKQYXOZP3Z · pith_short_8: FFAHDWGK

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/FFAHDWGKQYXOZP3Z4DA6H5ANYC \
  | 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: 294071d8ca862eecbf79e0c1e3f40dc08af2c182fcc8f8fb1001f1ac2d241522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0359150be9fceb31bd54f4e16d38fa911bd8490cde99a003534d69c2bfb1924a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-05-24T20:57:14Z",
    "title_canon_sha256": "c833b77410a1261ac097eec8b62d1ecc5b532c55a7193de801812148d81ae811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09895",
    "kind": "arxiv",
    "version": 1
  }
}