Pith Number

pith:NXQGI25C

pith:2012:NXQGI25C2IYAESKK37CILML4ZH

not attested not anchored not stored refs pending

The Energy-Momentum tensor on low dimensional $\Spinc$ manifolds

Georges Habib, Roger Nakad

arxiv:1204.0541 v1 · 2012-04-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXQGI25C2IYAESKK37CILML4ZH}

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	2026-05-18T03:58:39.150157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de0646ba2d23002494adfc485b17cc9e8d4f00ede12af5464cbe935ee8ab091

Aliases

arxiv: 1204.0541 · arxiv_version: 1204.0541v1 · doi: 10.48550/arxiv.1204.0541 · pith_short_12: NXQGI25C2IYA · pith_short_16: NXQGI25C2IYAESKK · pith_short_8: NXQGI25C

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/NXQGI25C2IYAESKK37CILML4ZH \
  | 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: 6de0646ba2d23002494adfc485b17cc9e8d4f00ede12af5464cbe935ee8ab091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c9dff7cc9a1762e86cad10d0472af7d15c27f23aabe1fa2b900e72775f9a9aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-02T21:28:11Z",
    "title_canon_sha256": "439a3da3ec07a2077829cbbd029fc89bb1b21c7b6ef27086131c5abde5e9212a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0541",
    "kind": "arxiv",
    "version": 1
  }
}