Pith Number

pith:6X6STWWM

pith:2018:6X6STWWMWJGAA4MPPJSJF76RW5

not attested not anchored not stored refs pending

M-eigenvalues of The Riemann Curvature Tensor

Hua Xiang, Liqun Qi, Yimin Wei

arxiv:1802.10248 v6 · 2018-02-28 · math.DG · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6X6STWWMWJGAA4MPPJSJF76RW5}

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	2026-05-18T00:06:50.860276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fd29daccb24c00718f7a6492ffd1b76d9bfde87ec107961317218d384abe9e

Aliases

arxiv: 1802.10248 · arxiv_version: 1802.10248v6 · doi: 10.48550/arxiv.1802.10248 · pith_short_12: 6X6STWWMWJGA · pith_short_16: 6X6STWWMWJGAA4MP · pith_short_8: 6X6STWWM

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/6X6STWWMWJGAA4MPPJSJF76RW5 \
  | 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: f5fd29daccb24c00718f7a6492ffd1b76d9bfde87ec107961317218d384abe9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f97a634ac0a56eb7138dabaff3cae7abc6bc61dace7a7d943a5d2e08976696",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-02-28T03:32:07Z",
    "title_canon_sha256": "2839f3cacdac5d2f1c6977f68078c7ac62e0e87aa60399568292edec12299d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10248",
    "kind": "arxiv",
    "version": 6
  }
}