pith. sign in
Pith Number

pith:CZX74N7O

pith:2012:CZX74N7OAML7QXEDKMBZNHMXQC
not attested not anchored not stored refs pending

Loop quantum gravity without the Hamiltonian constraint

Alexander Stottmeister, Andreas Thurn, Norbert Bodendorfer

arxiv:1203.6525 v3 · 2012-03-29 · gr-qc · hep-th · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CZX74N7OAML7QXEDKMBZNHMXQC}

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 2026-05-18T03:27:21.317993Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

166ffe37ee0317f85c835303969d9780bd24c92f663745610e19643c98a9f0ed

Aliases

arxiv: 1203.6525 · arxiv_version: 1203.6525v3 · doi: 10.48550/arxiv.1203.6525 · pith_short_12: CZX74N7OAML7 · pith_short_16: CZX74N7OAML7QXED · pith_short_8: CZX74N7O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CZX74N7OAML7QXEDKMBZNHMXQC \
  | 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: 166ffe37ee0317f85c835303969d9780bd24c92f663745610e19643c98a9f0ed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4e3ff2ba03e70c0811c89da8a6ff56cc09d888c124ade6eb48bb7bde1464585a",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-29T14:08:13Z",
    "title_canon_sha256": "2945ec00d69049d656ad97e2b364db607e14b20cd2d8c3aa05be38dc081f40c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6525",
    "kind": "arxiv",
    "version": 3
  }
}