Pith Number

pith:VNVDOKCW

pith:2019:VNVDOKCWV7AJG76HYKU2KWM2TT

not attested not anchored not stored refs pending

Automatic Differentiation for Complex Valued SVD

Shi-Xin Zhang, Zhou-Quan Wan

arxiv:1909.02659 v3 · 2019-09-04 · math.NA · cond-mat.stat-mech · cond-mat.str-el · cs.LG · cs.NA · quant-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNVDOKCWV7AJG76HYKU2KWM2TT}

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.

Cited by

1 paper in Pith

Optimizing Quantum Photonic Integrated Circuits using Differentiable Tensor Networks

Receipt and verification

First computed	2026-07-05T00:17:28.949209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab6a372856afc0937fc7c2a9a5599a9cdf9dd942ca20bd7b8e292812c9b4d49b

Aliases

arxiv: 1909.02659 · arxiv_version: 1909.02659v3 · doi: 10.48550/arxiv.1909.02659 · pith_short_12: VNVDOKCWV7AJ · pith_short_16: VNVDOKCWV7AJG76H · pith_short_8: VNVDOKCW

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/VNVDOKCWV7AJG76HYKU2KWM2TT \
  | 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: ab6a372856afc0937fc7c2a9a5599a9cdf9dd942ca20bd7b8e292812c9b4d49b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d60242e35002719ce6bd43cd4c01d416de2ae061647b0fce7a9c9cccf8f10a1",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.str-el",
      "cs.LG",
      "cs.NA",
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-09-04T09:34:15Z",
    "title_canon_sha256": "85cf34f843d90cb07f73e4bd1111e4fb48260d4b35aa6f46f82ab51f3762e357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02659",
    "kind": "arxiv",
    "version": 3
  }
}