Pith Number

pith:PLRGUVKB

pith:2008:PLRGUVKB7THOBW5TVUGOFMRRDE

not attested not anchored not stored refs pending

A possible anthropic solution to the Strong CP problem

Fuminobu Takahashi

arxiv:0804.2478 v3 · 2008-04-16 · hep-ph · astro-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{PLRGUVKB7THOBW5TVUGOFMRRDE}

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

1 paper in Pith

The landscape of QCD axion models

Receipt and verification

First computed	2026-07-04T15:43:04.693285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae26a5541fccee0dbb3ad0ce2b231191cc154abdc2b472ef1458616f147d05f

Aliases

arxiv: 0804.2478 · arxiv_version: 0804.2478v3 · doi: 10.48550/arxiv.0804.2478 · pith_short_12: PLRGUVKB7THO · pith_short_16: PLRGUVKB7THOBW5T · pith_short_8: PLRGUVKB

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/PLRGUVKB7THOBW5TVUGOFMRRDE \
  | 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: 7ae26a5541fccee0dbb3ad0ce2b231191cc154abdc2b472ef1458616f147d05f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da199bf885c78a0559b0c32fd54ec6812d1dff0d586ffc3a43cd8684992c63fc",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-04-16T14:31:16Z",
    "title_canon_sha256": "92e5aacffe089ddc1bc2058261532fffa7fa6a053197a185e8f47267f76d2d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2478",
    "kind": "arxiv",
    "version": 3
  }
}