pith. sign in
Pith Number

pith:3UD5FRLH

pith:2012:3UD5FRLHDZWEMSO3TSAFENZLIO
not attested not anchored not stored refs pending

Electric Dipole Moment from QCD $\theta$ and How It Vanishes for Mixed States

Amilcar R. de Queiroz, A. P. Balachandran, T. R. Govindarajan

arxiv:1204.6609 v1 · 2012-04-30 · hep-th · hep-ph · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3UD5FRLHDZWEMSO3TSAFENZLIO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:56:44.333396Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674

Aliases

arxiv: 1204.6609 · arxiv_version: 1204.6609v1 · doi: 10.48550/arxiv.1204.6609 · pith_short_12: 3UD5FRLHDZWE · pith_short_16: 3UD5FRLHDZWEMSO3 · pith_short_8: 3UD5FRLH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO \
  | 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: dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b074dd98ef3e27f460aa20f326607c99705e39f9bf1802958f550f19c3b4da97",
    "cross_cats_sorted": [
      "hep-ph",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-30T12:09:02Z",
    "title_canon_sha256": "42ac4ebfbff7276ad245246fdfb427534c2edf560f454b50dd731f0a840924ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6609",
    "kind": "arxiv",
    "version": 1
  }
}