Pith Number

pith:NHTMOY7M

pith:2014:NHTMOY7MPUEYWOQYGI45SA4LDO

not attested not anchored not stored refs pending

Learning Laplacian Matrix in Smooth Graph Signal Representations

Dorina Thanou, Pascal Frossard, Pierre Vandergheynst, Xiaowen Dong

arxiv:1406.7842 v3 · 2014-06-30 · cs.LG · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHTMOY7MPUEYWOQYGI45SA4LDO}

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	2026-05-18T01:20:17.704441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e6c763ec7d098b3a183239d9038b1b9615abebb84d1c12fac5c8d36cddd63c

Aliases

arxiv: 1406.7842 · arxiv_version: 1406.7842v3 · doi: 10.48550/arxiv.1406.7842 · pith_short_12: NHTMOY7MPUEY · pith_short_16: NHTMOY7MPUEYWOQY · pith_short_8: NHTMOY7M

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/NHTMOY7MPUEYWOQYGI45SA4LDO \
  | 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: 69e6c763ec7d098b3a183239d9038b1b9615abebb84d1c12fac5c8d36cddd63c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89611fd09c97a6f7633b5ddce81b10f76bb15dd3fcb4f9a61cbf9eba3ebbf56",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-06-30T18:33:59Z",
    "title_canon_sha256": "09a7539b83c1d84cdb5343a75400cd18f1bc44e69c8ea0b8400a5f3af2894152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7842",
    "kind": "arxiv",
    "version": 3
  }
}