Pith Number

pith:MIADMUMZ

pith:2012:MIADMUMZJRSQHGOFOH3SLHYN2T

not attested not anchored not stored refs pending

Low rank estimation of smooth kernels on graphs

Pedro Rangel, Vladimir Koltchinskii

arxiv:1207.4819 v4 · 2012-07-19 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIADMUMZJRSQHGOFOH3SLHYN2T}

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	2026-05-18T03:26:10.368070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62003651994c650399c571f7259f0dd4fe99b6a53b099731a37dea6de3fe123d

Aliases

arxiv: 1207.4819 · arxiv_version: 1207.4819v4 · doi: 10.48550/arxiv.1207.4819 · pith_short_12: MIADMUMZJRSQ · pith_short_16: MIADMUMZJRSQHGOF · pith_short_8: MIADMUMZ

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/MIADMUMZJRSQHGOFOH3SLHYN2T \
  | 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: 62003651994c650399c571f7259f0dd4fe99b6a53b099731a37dea6de3fe123d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245f1453a98878be9e4e01c6bc2d3b30a27e20971d5f0c6d63ead688edbca349",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-07-19T21:56:18Z",
    "title_canon_sha256": "cbfde0278b6e47215d31cde78740fb2fe7a5a83b41a5ae0814a89c71cd3150d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4819",
    "kind": "arxiv",
    "version": 4
  }
}