Pith Number

pith:5SVQ6T5J

pith:2018:5SVQ6T5J7LLBSLWN64GKQHP4YP

not attested not anchored not stored refs pending

Adaptive approximation by optimal weighted least squares methods

Giovanni Migliorati

arxiv:1807.00402 v2 · 2018-07-01 · 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{5SVQ6T5J7LLBSLWN64GKQHP4YP}

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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.

Cited by

1 paper in Pith

Near-optimal sampling strategies for multivariate function approximation on general domains

Receipt and verification

First computed	2026-05-17T23:41:01.263093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecab0f4fa9fad6192ecdf70ca81dfcc3ede7936c2bd8e0c1530bc6f4a60bf8b8

Aliases

arxiv: 1807.00402 · arxiv_version: 1807.00402v2 · doi: 10.48550/arxiv.1807.00402 · pith_short_12: 5SVQ6T5J7LLB · pith_short_16: 5SVQ6T5J7LLBSLWN · pith_short_8: 5SVQ6T5J

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/5SVQ6T5J7LLBSLWN64GKQHP4YP \
  | 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: ecab0f4fa9fad6192ecdf70ca81dfcc3ede7936c2bd8e0c1530bc6f4a60bf8b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bc286867e4838e9de74a6120fa0e71cc5a99e75e4e47399e82de0a59a64dbc3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-01T21:51:46Z",
    "title_canon_sha256": "dde6f09cd8ec2be5a238edf1ff52a0b46a6afbcecad79466515107e2447547b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00402",
    "kind": "arxiv",
    "version": 2
  }
}