Pith Number

pith:NCCYCT6Y

pith:2018:NCCYCT6Y53WEIL7SXWV3G2NGFX

not attested not anchored not stored refs pending

Real hypersurfaces in $Q^m$ with commuting structure Jacobi operator

M.J. Vanaei, N. Heidari, S.M.B. Kashani

arxiv:1807.11021 v2 · 2018-07-29 · 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{NCCYCT6Y53WEIL7SXWV3G2NGFX}

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	2026-05-17T23:55:42.680183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6885814fd8eeec442ff2bdabb369a62df3b6c298a24241f124e668bf362e6ced

Aliases

arxiv: 1807.11021 · arxiv_version: 1807.11021v2 · doi: 10.48550/arxiv.1807.11021 · pith_short_12: NCCYCT6Y53WE · pith_short_16: NCCYCT6Y53WEIL7S · pith_short_8: NCCYCT6Y

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/NCCYCT6Y53WEIL7SXWV3G2NGFX \
  | 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: 6885814fd8eeec442ff2bdabb369a62df3b6c298a24241f124e668bf362e6ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e863603867339305360c90879d7820e44805b67a0f2bfc56a67a7580b9849bec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-07-29T08:08:20Z",
    "title_canon_sha256": "00c96b5d6c710baa903d781b2d11d241cb44cbf9f10bdad2069de860d67d1e17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11021",
    "kind": "arxiv",
    "version": 2
  }
}