pith. sign in
Pith Number

pith:OPA2CIBD

pith:2012:OPA2CIBDPC4Z4GSB3N2ZK37SJF
not attested not anchored not stored refs pending

New covariant Lagrange formulation for field theories

T. Ootsuka

arxiv:1206.6040 v1 · 2012-06-26 · math-ph · gr-qc · hep-th · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OPA2CIBDPC4Z4GSB3N2ZK37SJF}

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 2026-05-18T03:52:28.926996Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

73c1a1202378b99e1a41db75956ff2494579183d1533005ac72c71fef92a0a75

Aliases

arxiv: 1206.6040 · arxiv_version: 1206.6040v1 · doi: 10.48550/arxiv.1206.6040 · pith_short_12: OPA2CIBDPC4Z · pith_short_16: OPA2CIBDPC4Z4GSB · pith_short_8: OPA2CIBD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OPA2CIBDPC4Z4GSB3N2ZK37SJF \
  | 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: 73c1a1202378b99e1a41db75956ff2494579183d1533005ac72c71fef92a0a75
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d635ae6b2e888c14775cf73ec1a5e995d13493dda695661b386e826b7187995",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-06-26T16:25:53Z",
    "title_canon_sha256": "1bd9f8a68724c372273b9a53561be24496ca61ae87c53f5de4decd3641156748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6040",
    "kind": "arxiv",
    "version": 1
  }
}