Pith Number

pith:ZSAHWFUA

pith:2020:ZSAHWFUATZVQOSXXORCXA5MOU3

not attested not anchored not stored refs pending

Ruling Out the Massless Up-Quark Solution to the Strong CP Problem by Computing the Topological Mass Contribution with Lattice QCD

Bartosz Kostrzewa, Carsten Urbach, Constantia Alexandrou, Ferenc Pittler, Jacob Finkenrath, Karl Jansen, Lena Funcke

arxiv:2002.07802 v3 · 2020-02-18 · hep-lat · hep-ph · hep-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{ZSAHWFUATZVQOSXXORCXA5MOU3}

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.

Cited by

2 papers in Pith

Neutron Star Eclipses as Axion Laboratories

The landscape of QCD axion models

Receipt and verification

First computed	2026-07-05T02:18:50.926763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc807b16809e6b074af7744570758ea6c846e34c14313e4db6c23526b8e2810f

Aliases

arxiv: 2002.07802 · arxiv_version: 2002.07802v3 · doi: 10.48550/arxiv.2002.07802 · pith_short_12: ZSAHWFUATZVQ · pith_short_16: ZSAHWFUATZVQOSXX · pith_short_8: ZSAHWFUA

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/ZSAHWFUATZVQOSXXORCXA5MOU3 \
  | 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: cc807b16809e6b074af7744570758ea6c846e34c14313e4db6c23526b8e2810f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a06919f366c7d4fce5a83497f9a2d62940221a06d6f280af6c91b57ea84178c4",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2020-02-18T18:57:25Z",
    "title_canon_sha256": "785fbcb1eb1504ecef4d0c70453325c5f3568a7e4375d1a6097661991d364166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07802",
    "kind": "arxiv",
    "version": 3
  }
}