Pith Number

pith:43W4EHMN

pith:2015:43W4EHMNKBVAUCIULN4OHDH36E

not attested not anchored not stored refs pending

Numerically Safe Gaussian Elimination with No Pivoting

Liang Zhao, Victor Pan

arxiv:1501.05385 v11 · 2015-01-22 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43W4EHMNKBVAUCIULN4OHDH36E}

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	2026-05-18T00:46:16.987618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6edc21d8d506a0a09145b78e38cfbf122cb3a537989034ec21a09b23ed2399e

Aliases

arxiv: 1501.05385 · arxiv_version: 1501.05385v11 · doi: 10.48550/arxiv.1501.05385 · pith_short_12: 43W4EHMNKBVA · pith_short_16: 43W4EHMNKBVAUCIU · pith_short_8: 43W4EHMN

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/43W4EHMNKBVAUCIULN4OHDH36E \
  | 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: e6edc21d8d506a0a09145b78e38cfbf122cb3a537989034ec21a09b23ed2399e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b9f4d77ffa374aec42e3108e6a1231778f6b78a1d500f79b45961173b9ae27c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2015-01-22T04:07:57Z",
    "title_canon_sha256": "dab922512bc6d3700fafaef02e3d4a2431e256cbb4a910cdc60116a907b2def1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05385",
    "kind": "arxiv",
    "version": 11
  }
}