Pith Number

pith:7W4EJZ6C

pith:2020:7W4EJZ6CTKCS4KQUY5Y26SI7OB

not attested not anchored not stored refs pending

Sparse approximation of triangular transports. Part I: the finite dimensional case

Jakob Zech, Youssef Marzouk

arxiv:2006.06994 v2 · 2020-06-12 · math.NA · cs.NA · 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{7W4EJZ6CTKCS4KQUY5Y26SI7OB}

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.

Cited by

1 paper in Pith

Generative stochastic modeling of strongly nonlinear flows with non-Gaussian statistics

Receipt and verification

First computed	2026-07-05T03:01:21.209914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb844e7c29a852e2a14c771af491f7051f48de447e2678a2fc1950c75032f32

Aliases

arxiv: 2006.06994 · arxiv_version: 2006.06994v2 · doi: 10.48550/arxiv.2006.06994 · pith_short_12: 7W4EJZ6CTKCS · pith_short_16: 7W4EJZ6CTKCS4KQU · pith_short_8: 7W4EJZ6C

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/7W4EJZ6CTKCS4KQUY5Y26SI7OB \
  | 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: fdb844e7c29a852e2a14c771af491f7051f48de447e2678a2fc1950c75032f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "009af5f86bced3753aa279898e3ecb8175172e52a1141d6dca77937c6fbd71ba",
    "cross_cats_sorted": [
      "cs.NA",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-06-12T08:15:20Z",
    "title_canon_sha256": "c3091a94e6e402824b7b44bc13e80eff712846f36c4de5aa5ca06843ddc7f8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06994",
    "kind": "arxiv",
    "version": 2
  }
}