Pith Number

pith:QZHIBSE5

pith:2020:QZHIBSE52HCUAS2QIA4U4L7M4U

not attested not anchored not stored refs pending

Absence of $CP$ violation in the strong interactions

Bjorn Garbrecht, Carlos Tamarit, Juan S. Cruz, Wen-Yuan Ai

arxiv:2001.07152 v5 · 2020-01-20 · hep-th · 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{QZHIBSE52HCUAS2QIA4U4L7M4U}

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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.

Cited by

6 papers in Pith

Quantification of the Flavor Diagonal Hadronic CP Violation

The structure of multi-axion solutions to the strong CP problem

CP conservation in the strong interactions

A particle on a ring or: how I learned to stop worrying and love $\theta$-vacua

On the $\uptheta$-vacua and CP violation

Receipt and verification

First computed	2026-07-05T03:17:44.189827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864e80c89dd1c5404b5040394e2fece5071162e437aea61a8ecf55b18bef9918

Aliases

arxiv: 2001.07152 · arxiv_version: 2001.07152v5 · doi: 10.48550/arxiv.2001.07152 · pith_short_12: QZHIBSE52HCU · pith_short_16: QZHIBSE52HCUAS2Q · pith_short_8: QZHIBSE5

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/QZHIBSE52HCUAS2QIA4U4L7M4U \
  | 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: 864e80c89dd1c5404b5040394e2fece5071162e437aea61a8ecf55b18bef9918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa52758563f1b4b66791890de6462cdfcd824d19e72018d98058aee94e3d9db",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-01-20T15:52:11Z",
    "title_canon_sha256": "e4542d3a8041db8092d76b88597844b0b7289930f8724672e46bb1a62aa59e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07152",
    "kind": "arxiv",
    "version": 5
  }
}