Pith Number

pith:VGOUIEQI

pith:2015:VGOUIEQIAA2K7MT5FP26VETGSK

not attested not anchored not stored refs pending

Detecting Potential Instabilities of Numerical Algorithms

Yao Yang

arxiv:1509.02157 v1 · 2015-09-07 · 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{VGOUIEQIAA2K7MT5FP26VETGSK}

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	2026-05-18T01:33:41.531387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a99d4412080034afb27d2bf5ea926692b4ae264fc0ed674e772feddf086833d1

Aliases

arxiv: 1509.02157 · arxiv_version: 1509.02157v1 · doi: 10.48550/arxiv.1509.02157 · pith_short_12: VGOUIEQIAA2K · pith_short_16: VGOUIEQIAA2K7MT5 · pith_short_8: VGOUIEQI

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/VGOUIEQIAA2K7MT5FP26VETGSK \
  | 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: a99d4412080034afb27d2bf5ea926692b4ae264fc0ed674e772feddf086833d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c860b080ca4da49cb81f5dde7bc7ce2488b8edce56d1e14466ad9aa3a850db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-09-07T09:45:34Z",
    "title_canon_sha256": "859fae67262a9c79714d8888a4a43d63f8e3f1c2c1bb5b0fc7ad3b1fb30eb2b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02157",
    "kind": "arxiv",
    "version": 1
  }
}