Pith Number

pith:Z2Y4WRFW

pith:2009:Z2Y4WRFWAI4JC5FXZLTWZ4NSBL

not attested not anchored not stored refs pending

Q-PYTHIA: a medium-modified implementation of final state radiation

C. A. Salgado, L. Cunqueiro, N. Armesto

arxiv:0907.1014 v1 · 2009-07-06 · hep-ph · hep-ex · nucl-ex · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2Y4WRFWAI4JC5FXZLTWZ4NSBL}

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	2026-07-04T16:21:42.606519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceb1cb44b602389174b7cae76cf1b20af7d66937a9f6e93a0d0279aa2d46fd65

Aliases

arxiv: 0907.1014 · arxiv_version: 0907.1014v1 · doi: 10.48550/arxiv.0907.1014 · pith_short_12: Z2Y4WRFWAI4J · pith_short_16: Z2Y4WRFWAI4JC5FX · pith_short_8: Z2Y4WRFW

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/Z2Y4WRFWAI4JC5FXZLTWZ4NSBL \
  | 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: ceb1cb44b602389174b7cae76cf1b20af7d66937a9f6e93a0d0279aa2d46fd65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a25d436eb2877a3a57c9734f3ecf80b2a44e40b27ddd7e19e7d126fe73e67d6d",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-07-06T19:28:28Z",
    "title_canon_sha256": "5fcaca02898d43d3480f58001c1b05ca41520d1d07e0ef9b2cb5ff31c74bf2d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1014",
    "kind": "arxiv",
    "version": 1
  }
}