Pith Number

pith:DTCRJIM5

pith:2019:DTCRJIM5WCYOOZTGBLCFYX3BP4

not attested not anchored not stored refs pending

A variational finite volume scheme for Wasserstein gradient flows

Cl\'ement Canc\`es, Gabriele Todeschi, Thomas O. Gallou\"et

arxiv:1907.08305 v1 · 2019-07-18 · 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{DTCRJIM5WCYOOZTGBLCFYX3BP4}

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	2026-05-17T23:40:10.280048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cc514a19db0b0e766660ac45c5f617f03b4682f0763ea7db1a15a55dcef9a4c

Aliases

arxiv: 1907.08305 · arxiv_version: 1907.08305v1 · doi: 10.48550/arxiv.1907.08305 · pith_short_12: DTCRJIM5WCYO · pith_short_16: DTCRJIM5WCYOOZTG · pith_short_8: DTCRJIM5

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/DTCRJIM5WCYOOZTGBLCFYX3BP4 \
  | 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: 1cc514a19db0b0e766660ac45c5f617f03b4682f0763ea7db1a15a55dcef9a4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "180f4308be67817ecbe952783e0da64b478bd4cad9f30e5d3f8d6b4fcf42e4e9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-18T22:02:37Z",
    "title_canon_sha256": "eb5896b79b68dbb19aef2c1eadd9e9b310d5bf0adc4365bb2f4220f9958517cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08305",
    "kind": "arxiv",
    "version": 1
  }
}