Pith Number

pith:OPVMUW3G

pith:1996:OPVMUW3GAGNN7W63CWHB6KMRHV

not attested not anchored not stored refs pending

Solution of the strong CP problem

L. Lavoura

arxiv:hep-ph/9611266 v1 · 1996-11-07 · 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{OPVMUW3GAGNN7W63CWHB6KMRHV}

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	2026-05-18T04:30:15.173363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73eaca5b66019adfdbdb158e1f29913d72fa10fe09af15307240798c8dd76ca9

Aliases

arxiv: hep-ph/9611266 · arxiv_version: hep-ph/9611266v1 · doi: 10.48550/arxiv.hep-ph/9611266 · pith_short_12: OPVMUW3GAGNN · pith_short_16: OPVMUW3GAGNN7W63 · pith_short_8: OPVMUW3G

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/OPVMUW3GAGNN7W63CWHB6KMRHV \
  | 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: 73eaca5b66019adfdbdb158e1f29913d72fa10fe09af15307240798c8dd76ca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd245c62d7a9df7d4814a8edc5eb809ebe330a718013573537780b03f943f171",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1996-11-07T21:36:32Z",
    "title_canon_sha256": "50644c822f214fdbede1a3e5c9a33c52e376ad3f06de1fe05e0344fe1f2f48cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9611266",
    "kind": "arxiv",
    "version": 1
  }
}