Pith Number

pith:FM27G73G

pith:2017:FM27G73G245LOZA555PO4QV5VB

not attested not anchored not stored refs pending

Modified Truncated Randomized Singular Value Decomposition (MTRSVD) Algorithms for Large Scale Discrete Ill-posed Problems with General-Form Regularization

Yanfei Yang, Zhongxiao Jia

arxiv:1708.01722 v2 · 2017-08-05 · 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{FM27G73G245LOZA555PO4QV5VB}

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	2026-06-04T18:11:13.301869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b35f37f66d73ab7641def5eee42bda86cebefa6ddba28780ee20444348a27be

Aliases

arxiv: 1708.01722 · arxiv_version: 1708.01722v2 · doi: 10.48550/arxiv.1708.01722 · pith_short_12: FM27G73G245L · pith_short_16: FM27G73G245LOZA5 · pith_short_8: FM27G73G

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/FM27G73G245LOZA555PO4QV5VB \
  | 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: 2b35f37f66d73ab7641def5eee42bda86cebefa6ddba28780ee20444348a27be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2266abf3314ff455dd8383ba2953d78d13cde529640e22232647878d3cb8c2d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-05T07:19:17Z",
    "title_canon_sha256": "2a02fc1229dd5275e6954efd27f266cad2c334f3471b601d884428a8fc3d431e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01722",
    "kind": "arxiv",
    "version": 2
  }
}