Pith Number

pith:PJ4B5IJ5

pith:2022:PJ4B5IJ5IO3XBHJOMT2M55SJHD

not attested not anchored not stored refs pending

Quantum-inspired algorithm for truncated total least squares solution

Hua Xiang, Qian Zuo, Yimin Wei

arxiv:2205.00455 v1 · 2022-05-01 · 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{PJ4B5IJ5IO3XBHJOMT2M55SJHD}

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	2026-07-05T04:19:13.002703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a781ea13d43b7709d2e64f4cef64938e8c7810c199cb2bf179fb8876088db83

Aliases

arxiv: 2205.00455 · arxiv_version: 2205.00455v1 · doi: 10.48550/arxiv.2205.00455 · pith_short_12: PJ4B5IJ5IO3X · pith_short_16: PJ4B5IJ5IO3XBHJO · pith_short_8: PJ4B5IJ5

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/PJ4B5IJ5IO3XBHJOMT2M55SJHD \
  | 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: 7a781ea13d43b7709d2e64f4cef64938e8c7810c199cb2bf179fb8876088db83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995b354c7d951074899db1447eda72f70d3301a5ba091d40df8ce77137198d9e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-05-01T12:06:41Z",
    "title_canon_sha256": "c310b835d5003d30f37930454cbc9ca41682aa1d238eeb7f0b12c18153bd5652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.00455",
    "kind": "arxiv",
    "version": 1
  }
}