Pith Number

pith:HBOL2EDN

pith:2016:HBOL2EDNNT4X4FXNG5VHVTWZYN

not attested not anchored not stored refs pending

The Highest-Energy Cosmic Rays Cannot be Dominantly Protons from Steady Sources

Ke Fang, Kumiko Kotera

arxiv:1610.08055 v1 · 2016-10-25 · 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{HBOL2EDNNT4X4FXNG5VHVTWZYN}

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	2026-05-18T00:57:43.666532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

385cbd106d6cf97e16ed376a7aced9c3742b1559c93da07948ab3add7625f071

Aliases

arxiv: 1610.08055 · arxiv_version: 1610.08055v1 · doi: 10.48550/arxiv.1610.08055 · pith_short_12: HBOL2EDNNT4X · pith_short_16: HBOL2EDNNT4X4FXN · pith_short_8: HBOL2EDN

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/HBOL2EDNNT4X4FXNG5VHVTWZYN \
  | 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: 385cbd106d6cf97e16ed376a7aced9c3742b1559c93da07948ab3add7625f071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d620c94f94ea5694bf5300f31a4718bf2e143752d25f8c22c0a8ca633283532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-10-25T20:00:00Z",
    "title_canon_sha256": "3c8217b1f3462db70b3bb446bb7a8762d08f05c30a887efdc28e65f0e4b545ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08055",
    "kind": "arxiv",
    "version": 1
  }
}