pith. sign in
Pith Number

pith:4VWPI5UM

pith:2013:4VWPI5UM7MUGTWRYRNRERUROVE
not attested not anchored not stored refs pending

Riemannian foliations with parallel or harmonic basic forms

Fida EL Chami, Georges Habib, Roger Nakad

arxiv:1310.8060 v1 · 2013-10-30 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4VWPI5UM7MUGTWRYRNRERUROVE}

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 2026-05-18T03:08:26.150171Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e56cf4768cfb2869da388b6248d22ea9098fbb9eab64c494b63eaa8fb8096d66

Aliases

arxiv: 1310.8060 · arxiv_version: 1310.8060v1 · doi: 10.48550/arxiv.1310.8060 · pith_short_12: 4VWPI5UM7MUG · pith_short_16: 4VWPI5UM7MUGTWRY · pith_short_8: 4VWPI5UM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4VWPI5UM7MUGTWRYRNRERUROVE \
  | 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: e56cf4768cfb2869da388b6248d22ea9098fbb9eab64c494b63eaa8fb8096d66
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9894baad350f326f8bed177a56cd0c568c3125c7652309d24865859dac6176d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-10-30T08:10:45Z",
    "title_canon_sha256": "8cf4171da4045193e27648380fab21901e06ca946634b0b08363c867447c336d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8060",
    "kind": "arxiv",
    "version": 1
  }
}