Pith Number

pith:HWL2L6QC

pith:2023:HWL2L6QCWT5GMK7VZGQOQIEKO5

not attested not anchored not stored refs pending

A sketch-and-project method for solving the matrix equation AXB = C

Jichao Wang, Weiguo Li, Wendi Bao, Ying Lv, Zhiwei Guo

arxiv:2306.03345 v1 · 2023-06-06 · 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{HWL2L6QCWT5GMK7VZGQOQIEKO5}

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	2026-07-05T06:17:57.054209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d97a5fa02b4fa662bf5c9a0e8208a777c2361c473a72498e8303e9fe86e847d

Aliases

arxiv: 2306.03345 · arxiv_version: 2306.03345v1 · doi: 10.48550/arxiv.2306.03345 · pith_short_12: HWL2L6QCWT5G · pith_short_16: HWL2L6QCWT5GMK7V · pith_short_8: HWL2L6QC

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/HWL2L6QCWT5GMK7VZGQOQIEKO5 \
  | 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: 3d97a5fa02b4fa662bf5c9a0e8208a777c2361c473a72498e8303e9fe86e847d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d43123c3b373f54a63dcac980d61e582733c4e13731e17c3e4610378b45f03b3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-06-06T01:34:54Z",
    "title_canon_sha256": "681713053cd250fbd2d50d270ce3e802e5070fb112bb3d537ffbf3d386e3ef06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.03345",
    "kind": "arxiv",
    "version": 1
  }
}