Pith Number

pith:HLEFPUSW

pith:2013:HLEFPUSWTPUZUCF5DDIBHHPTH4

not attested not anchored not stored refs pending

PARSEC: A Parametrized Simulation Engine for Ultra-High Energy Cosmic Ray Protons

David Walz, Hans-Peter Bretz, Martin Erdmann, Peter Schiffer, Tobias Winchen

arxiv:1302.3761 v2 · 2013-02-15 · 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{HLEFPUSWTPUZUCF5DDIBHHPTH4}

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	2026-05-18T03:02:59.576419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac857d2569be99a08bd18d0139df33f0f91bcb3b7de35ba9624ea0d8850ba98

Aliases

arxiv: 1302.3761 · arxiv_version: 1302.3761v2 · doi: 10.48550/arxiv.1302.3761 · pith_short_12: HLEFPUSWTPUZ · pith_short_16: HLEFPUSWTPUZUCF5 · pith_short_8: HLEFPUSW

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/HLEFPUSWTPUZUCF5DDIBHHPTH4 \
  | 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: 3ac857d2569be99a08bd18d0139df33f0f91bcb3b7de35ba9624ea0d8850ba98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e394827d06281826a7501a41a6337ab343863ed18fdce6b3588e32bc9b0782c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-15T14:18:04Z",
    "title_canon_sha256": "2c8c985925c1c1f1c53402cf8f5875f521e535a30ea5d0280d22737765ea67d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3761",
    "kind": "arxiv",
    "version": 2
  }
}