Pith Number

pith:MQLDN4PP

pith:2019:MQLDN4PPOZ5UDVEN4OJVBB3RZ6

not attested not anchored not stored refs pending

Probabilistic Error Analysis for Inner Products

Hua Zhou, Ilse C.F. Ipsen

arxiv:1906.10465 v1 · 2019-06-25 · 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{MQLDN4PPOZ5UDVEN4OJVBB3RZ6}

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	2026-05-17T23:42:16.288581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641636f1ef767b41d48de393508771cf80b88781a3e4329721f2959313a1efeb

Aliases

arxiv: 1906.10465 · arxiv_version: 1906.10465v1 · doi: 10.48550/arxiv.1906.10465 · pith_short_12: MQLDN4PPOZ5U · pith_short_16: MQLDN4PPOZ5UDVEN · pith_short_8: MQLDN4PP

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/MQLDN4PPOZ5UDVEN4OJVBB3RZ6 \
  | 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: 641636f1ef767b41d48de393508771cf80b88781a3e4329721f2959313a1efeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29f5e40b651eb5b972ea70579105fd3959777e066bf1bac54ccc2726aa9d62a6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-25T12:03:13Z",
    "title_canon_sha256": "738494ed89678d570121f3511648b44f424ea8456cad48d8754ee8b5bb1829d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10465",
    "kind": "arxiv",
    "version": 1
  }
}