Pith Number

pith:DSEC4WGV

pith:2010:DSEC4WGV63DAPYOYY75HUH6Z6F

not attested not anchored not stored refs pending

U(2,2) gravity on noncommutative space with symplectic structure

Shao-Jun Zhang, Yan-Gang Miao, Zhao Xue

arxiv:1006.4074 v4 · 2010-06-21 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSEC4WGV63DAPYOYY75HUH6Z6F}

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	2026-05-18T04:30:26.224307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c882e58d5f6c607e1d8c7fa7a1fd9f16591b6f4f6c96b12324cadef0c8ade00

Aliases

arxiv: 1006.4074 · arxiv_version: 1006.4074v4 · doi: 10.48550/arxiv.1006.4074 · pith_short_12: DSEC4WGV63DA · pith_short_16: DSEC4WGV63DAPYOY · pith_short_8: DSEC4WGV

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/DSEC4WGV63DAPYOYY75HUH6Z6F \
  | 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: 1c882e58d5f6c607e1d8c7fa7a1fd9f16591b6f4f6c96b12324cadef0c8ade00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c454242a7b85e1afc8bb7a8e0061d890a9c01e6cf544b269d434def3bd97de0b",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-06-21T14:12:24Z",
    "title_canon_sha256": "15c304f3d960230843de7fd8f1b4fea7d86267e11a93466815d9710bfbd09359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4074",
    "kind": "arxiv",
    "version": 4
  }
}