Pith Number

pith:57WIS5LO

pith:2014:57WIS5LOF7VG3ORZ4PRS5P2X74

not attested not anchored not stored refs pending

Laplacian smoothing revisited

Benjamin Himpel, Dimitris Vartziotis

arxiv:1406.4333 v1 · 2014-06-17 · math.OC · math.DS · math.GT · 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{57WIS5LOF7VG3ORZ4PRS5P2X74}

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	2026-05-18T02:49:37.805002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efec89756e2fea6dba39e3e32ebf57ff230cea664132c7bdd9b75e3a1f0f7d09

Aliases

arxiv: 1406.4333 · arxiv_version: 1406.4333v1 · doi: 10.48550/arxiv.1406.4333 · pith_short_12: 57WIS5LOF7VG · pith_short_16: 57WIS5LOF7VG3ORZ · pith_short_8: 57WIS5LO

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/57WIS5LOF7VG3ORZ4PRS5P2X74 \
  | 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: efec89756e2fea6dba39e3e32ebf57ff230cea664132c7bdd9b75e3a1f0f7d09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4ef9c536950e5febbfbb2bc7870f1d5ffa9d31e37d9cea46e07af31f017ac7",
    "cross_cats_sorted": [
      "math.DS",
      "math.GT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-06-17T11:48:39Z",
    "title_canon_sha256": "6129dc74efeec5bbb6759803b7ebe3a91db5658ac21f16b6f6f67116ea3511a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4333",
    "kind": "arxiv",
    "version": 1
  }
}