Pith Number

pith:Y7F2YV6F

pith:2010:Y7F2YV6FMS66YWRH4HB5PCUWJ3

not attested not anchored not stored refs pending

On the partial Ricci curvature of foliations

Vladimir Rovenski

arxiv:1010.2986 v2 · 2010-10-14 · 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{Y7F2YV6FMS66YWRH4HB5PCUWJ3}

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	2026-05-18T01:23:26.808645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7cbac57c564bdec5a27e1c3d78a964ef5652d01b6239c0bba4a1264be4d4b05

Aliases

arxiv: 1010.2986 · arxiv_version: 1010.2986v2 · doi: 10.48550/arxiv.1010.2986 · pith_short_12: Y7F2YV6FMS66 · pith_short_16: Y7F2YV6FMS66YWRH · pith_short_8: Y7F2YV6F

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/Y7F2YV6FMS66YWRH4HB5PCUWJ3 \
  | 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: c7cbac57c564bdec5a27e1c3d78a964ef5652d01b6239c0bba4a1264be4d4b05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46419484d0509ffe6f3488eadfb5de29978c681b374a9830af7e0787a155af90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-10-14T17:29:25Z",
    "title_canon_sha256": "bd9f3d56afbbb8884c55e2551baecfec1bf9f65c42eb9f40e3d6b4a64c0a076a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2986",
    "kind": "arxiv",
    "version": 2
  }
}