pith. sign in
Pith Number

pith:LAQDDHQ5

pith:2012:LAQDDHQ55LI6T3JECMTN2FXXG7
not attested not anchored not stored refs pending

Invariant tensors related with natural connections for a class Riemannian product manifolds

Dobrinka Gribacheva

arxiv:1206.1692 v2 · 2012-06-08 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LAQDDHQ55LI6T3JECMTN2FXXG7}

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 2026-05-18T03:48:13.289601Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5820319e1dead1e9ed241326dd16f737dfb0482a12ccf1336fdf841491419b8b

Aliases

arxiv: 1206.1692 · arxiv_version: 1206.1692v2 · doi: 10.48550/arxiv.1206.1692 · pith_short_12: LAQDDHQ55LI6 · pith_short_16: LAQDDHQ55LI6T3JE · pith_short_8: LAQDDHQ5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LAQDDHQ55LI6T3JECMTN2FXXG7 \
  | 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: 5820319e1dead1e9ed241326dd16f737dfb0482a12ccf1336fdf841491419b8b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3642ebc4d88b6468090efdff6d15a8bfde9026f83096209aa4d853ba263542bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-06-08T08:14:16Z",
    "title_canon_sha256": "685e1d7373c41f61176a340b79a2676057be851569ec089b39824fc1d505f9a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1692",
    "kind": "arxiv",
    "version": 2
  }
}