Pith Number

pith:CVZA3PTL

pith:2021:CVZA3PTLF4JSU6XT4TAJQ5HCGT

not attested not anchored not stored refs pending

Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower

Gavin Bewick, Michael H. Seymour, Peter Richardson, Silvia Ferrario Ravasio

arxiv:2107.04051 v2 · 2021-07-08 · hep-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{CVZA3PTLF4JSU6XT4TAJQ5HCGT}

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	2026-07-05T03:51:08.152878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15720dbe6b2f132a7af3e4c09874e234fc67d3e599d7546db5d1f1eb22b1afa9

Aliases

arxiv: 2107.04051 · arxiv_version: 2107.04051v2 · doi: 10.48550/arxiv.2107.04051 · pith_short_12: CVZA3PTLF4JS · pith_short_16: CVZA3PTLF4JSU6XT · pith_short_8: CVZA3PTL

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/CVZA3PTLF4JSU6XT4TAJQ5HCGT \
  | 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: 15720dbe6b2f132a7af3e4c09874e234fc67d3e599d7546db5d1f1eb22b1afa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7596711cfbbb383af6ee12d39ba21c18c02608a9df53b853f8415409e30bf8a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-07-08T18:01:39Z",
    "title_canon_sha256": "7a76691a037e060d43e1a99a97c04f5eb749a1c91c71eada269fa2b99587180a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04051",
    "kind": "arxiv",
    "version": 2
  }
}