Pith Number

pith:TLCHCMXL

pith:2017:TLCHCMXLUYK2XSBUSMEMC2HC57

not attested not anchored not stored refs pending

Fast random field generation with $H$-matrices

Frances Kuo, Ian H. Sloan, Michael Feischl

arxiv:1702.08637 v4 · 2017-02-28 · math.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{TLCHCMXLUYK2XSBUSMEMC2HC57}

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	2026-05-18T00:26:46.440164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ac47132eba615abc8349308c168e2efdab310c59b00a8decf161856577a3015

Aliases

arxiv: 1702.08637 · arxiv_version: 1702.08637v4 · doi: 10.48550/arxiv.1702.08637 · pith_short_12: TLCHCMXLUYK2 · pith_short_16: TLCHCMXLUYK2XSBU · pith_short_8: TLCHCMXL

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/TLCHCMXLUYK2XSBUSMEMC2HC57 \
  | 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: 9ac47132eba615abc8349308c168e2efdab310c59b00a8decf161856577a3015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f3ee76da2053f30db8d0e5d6896300596394ee9f97027e7c5ea7e0c93a8f1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-28T04:12:28Z",
    "title_canon_sha256": "2745fbe6bd2b4ef812fbedb2b98c54fd95affffdd0bdd303999b57e36b9ba44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08637",
    "kind": "arxiv",
    "version": 4
  }
}