Pith Number

pith:JK3NVOCE

pith:2016:JK3NVOCE2YOTV5NJMP47UHU7VT

not attested not anchored not stored refs pending

Effectively Subsampled Quadratures For Least Squares Polynomial Approximations

Akil Narayan, Pranay Seshadri, Sankaran Mahadevan

arxiv:1601.05470 v4 · 2016-01-20 · math.NA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JK3NVOCE2YOTV5NJMP47UHU7VT}

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	2026-05-18T00:45:16.351080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab6dab844d61d3af5a963f9fa1e9facda830fed99e93994db7e174742b1363c

Aliases

arxiv: 1601.05470 · arxiv_version: 1601.05470v4 · doi: 10.48550/arxiv.1601.05470 · pith_short_12: JK3NVOCE2YOT · pith_short_16: JK3NVOCE2YOTV5NJ · pith_short_8: JK3NVOCE

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/JK3NVOCE2YOTV5NJMP47UHU7VT \
  | 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: 4ab6dab844d61d3af5a963f9fa1e9facda830fed99e93994db7e174742b1363c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49e203cf2626dd2f86fc42f62573fb3d621b53513ba21fcdc44c86ae32a34203",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-20T22:53:17Z",
    "title_canon_sha256": "229913020df3a4d31a79a1ffa21d06447f67978e095f8f323dc6e2c7c0bdbe9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05470",
    "kind": "arxiv",
    "version": 4
  }
}