Pith Number

pith:E74OCF6P

pith:2023:E74OCF6PW3ECQJTTGT6HWFLUT5

not attested not anchored not stored refs pending

Approximation of Splines in Wasserstein Spaces

Jorge Justiniano, Martin Rumpf, Matthias Erbar

arxiv:2302.10682 v2 · 2023-02-21 · math.NA · cs.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{E74OCF6PW3ECQJTTGT6HWFLUT5}

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

Principal Curves In Metric Spaces And The Space Of Probability Measures

Receipt and verification

First computed	2026-07-05T09:48:59.088441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f8e117cfb6c828267334fc7b15749f638bab7062eb6f0b31c5aefcc05d0c6a

Aliases

arxiv: 2302.10682 · arxiv_version: 2302.10682v2 · doi: 10.48550/arxiv.2302.10682 · pith_short_12: E74OCF6PW3EC · pith_short_16: E74OCF6PW3ECQJTT · pith_short_8: E74OCF6P

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/E74OCF6PW3ECQJTTGT6HWFLUT5 \
  | 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: 27f8e117cfb6c828267334fc7b15749f638bab7062eb6f0b31c5aefcc05d0c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8b240240448dfa12d977266da41c83bf21ca0d50878abd2523a37e46bd47a0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-02-21T14:04:06Z",
    "title_canon_sha256": "0509c440744baff2611dacee8b9034e51ee89c746179cbe17c426dac749a89a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.10682",
    "kind": "arxiv",
    "version": 2
  }
}