Pith Number

pith:V5VYZ2X7

pith:2013:V5VYZ2X7GDBJY5BXBPUOJK6SWV

not attested not anchored not stored refs pending

Randomized LU Decomposition

Amir Averbuch, Gil Shabat, Yaniv Shmueli, Yariv Aizenbud

arxiv:1310.7202 v4 · 2013-10-27 · 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{V5VYZ2X7GDBJY5BXBPUOJK6SWV}

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	2026-05-18T01:21:38.232739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6b8ceaff30c29c74370be8e4abd2b56f7749a96705414a1f0161bc56d72ec8

Aliases

arxiv: 1310.7202 · arxiv_version: 1310.7202v4 · doi: 10.48550/arxiv.1310.7202 · pith_short_12: V5VYZ2X7GDBJ · pith_short_16: V5VYZ2X7GDBJY5BX · pith_short_8: V5VYZ2X7

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/V5VYZ2X7GDBJY5BXBPUOJK6SWV \
  | 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: af6b8ceaff30c29c74370be8e4abd2b56f7749a96705414a1f0161bc56d72ec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44411eb8906f462c8ae3c5bd717019ec73fdade3bd76b61185835bfb6281f00",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-10-27T14:55:29Z",
    "title_canon_sha256": "c7c837f6400d74ba733dc119662276c70e8e0af0b6d38ffd7d398fb916e596dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7202",
    "kind": "arxiv",
    "version": 4
  }
}