Pith Number

pith:F7LI4V3L

pith:2016:F7LI4V3LETK5CMOT2EMIGLJQKC

not attested not anchored not stored refs pending

Truncation Dimension for Function Approximation

Friedrich Pillichshammer, G.W. Wasilkowski, Peter Kritzer

arxiv:1610.02852 v1 · 2016-10-10 · 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{F7LI4V3LETK5CMOT2EMIGLJQKC}

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	2026-05-18T01:02:50.562081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd68e576b24d5d131d3d118832d305088e122af2a12ccbc53ccb654eda1badf

Aliases

arxiv: 1610.02852 · arxiv_version: 1610.02852v1 · doi: 10.48550/arxiv.1610.02852 · pith_short_12: F7LI4V3LETK5 · pith_short_16: F7LI4V3LETK5CMOT · pith_short_8: F7LI4V3L

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/F7LI4V3LETK5CMOT2EMIGLJQKC \
  | 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: 2fd68e576b24d5d131d3d118832d305088e122af2a12ccbc53ccb654eda1badf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fee1e8b6fca16bf3dd93351e45541873ef8d13243b38a22753b5ae49224ee09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-10T11:27:17Z",
    "title_canon_sha256": "35895504737ef8955f5a6985ebe4ac302c8d1d06d3e84e2fd5b6a2cdc5d644cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02852",
    "kind": "arxiv",
    "version": 1
  }
}