Pith Number

pith:SDC4JIPT

pith:2018:SDC4JIPTQJMNJVOYFCCHEJ4MNX

not attested not anchored not stored refs pending

M-eigenvalues of Riemann Curvature Tensor of Conformally Flat Manifolds

Liqun Qi, Yimin Wei, Yun Miao

arxiv:1808.01882 v1 · 2018-07-28 · 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{SDC4JIPTQJMNJVOYFCCHEJ4MNX}

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	2026-05-18T00:08:49.324119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c5c4a1f38258d4d5d8288472278c6de894b4d08d452cfa9b16a4ca97777ea5

Aliases

arxiv: 1808.01882 · arxiv_version: 1808.01882v1 · doi: 10.48550/arxiv.1808.01882 · pith_short_12: SDC4JIPTQJMN · pith_short_16: SDC4JIPTQJMNJVOY · pith_short_8: SDC4JIPT

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/SDC4JIPTQJMNJVOYFCCHEJ4MNX \
  | 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: 90c5c4a1f38258d4d5d8288472278c6de894b4d08d452cfa9b16a4ca97777ea5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67303a7c2f4b4ed7df764e19d1f52799cb3993566854b26a45ad4c2ae7f92ab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-07-28T14:45:44Z",
    "title_canon_sha256": "07b84f898c302377b8a43fc31839ec9ada7578b03e941124ed792d6f6996a431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01882",
    "kind": "arxiv",
    "version": 1
  }
}