Pith Number

pith:IAJ7KW2K

pith:2023:IAJ7KW2K3VXH4LPU4FGAMY27R5

not attested not anchored not stored refs pending

Singular Value Decomposition of Dual Matrices and its Application to Traveling Wave Identification in the Brain

Tong Wei, Weiyang Ding, Yimin Wei

arxiv:2303.01383 v4 · 2023-03-02 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAJ7KW2K3VXH4LPU4FGAMY27R5}

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	2026-07-05T06:42:19.881931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4013f55b4add6e7e2df4e14c06635f8f5c66560323f7074a1674e4faea560179

Aliases

arxiv: 2303.01383 · arxiv_version: 2303.01383v4 · doi: 10.48550/arxiv.2303.01383 · pith_short_12: IAJ7KW2K3VXH · pith_short_16: IAJ7KW2K3VXH4LPU · pith_short_8: IAJ7KW2K

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/IAJ7KW2K3VXH4LPU4FGAMY27R5 \
  | 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: 4013f55b4add6e7e2df4e14c06635f8f5c66560323f7074a1674e4faea560179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e5fcef44b2adbf364785b7f7d6a6e34f71d52f5cf243b554fbe6f4cc6d57849",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-03-02T16:07:31Z",
    "title_canon_sha256": "2a622835a1b9d623fb9408dd3ad661f4b5a41f9229326abd4561cb4b59ca7ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.01383",
    "kind": "arxiv",
    "version": 4
  }
}