Pith Number

pith:MX7AKYJF

pith:2019:MX7AKYJF7HSSZIEC62MCSGFVWY

not attested not anchored not stored refs pending

A $\pmb{\nu}$ Solution to the Strong CP Problem

Carlos E. M. Wagner, Da Liu, Jia Liu, Marcela Carena, Nausheen R. Shah, Xiao-Ping Wang

arxiv:1904.05360 v1 · 2019-04-10 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MX7AKYJF7HSSZIEC62MCSGFVWY}

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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

1 paper in Pith

The strong CP puzzle and axions

Receipt and verification

First computed	2026-07-05T00:19:36.061638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65fe056125f9e52ca082f6982918b5b61af5a230c8c7718bd33dfedaf7402d65

Aliases

arxiv: 1904.05360 · arxiv_version: 1904.05360v1 · doi: 10.48550/arxiv.1904.05360 · pith_short_12: MX7AKYJF7HSS · pith_short_16: MX7AKYJF7HSSZIEC · pith_short_8: MX7AKYJF

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/MX7AKYJF7HSSZIEC62MCSGFVWY \
  | 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: 65fe056125f9e52ca082f6982918b5b61af5a230c8c7718bd33dfedaf7402d65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511a3fac0e7cabd957d2c987809320b52fe5e23afef6faffe382ad61cd612d53",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-04-10T18:00:01Z",
    "title_canon_sha256": "13ca6a73dd376f5b4af13c1ca3d7f16e92f10a78d51457b566fc7c697e3a535b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05360",
    "kind": "arxiv",
    "version": 1
  }
}