Pith Number

pith:EVWX75JN

pith:2019:EVWX75JNFEO7D44CN3PKGLORSF

not attested not anchored not stored refs pending

Pairwise Multi-marginal Optimal Transport and Embedding for Earth Mover's Distance

Cheuk Ting Li, Venkat Anantharam

arxiv:1908.01388 v2 · 2019-08-04 · math.PR · math.OC · 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{EVWX75JNFEO7D44CN3PKGLORSF}

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	2026-07-05T00:13:16.034587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256d7ff52d291df1f3826edea32dd191477c281acc214fbd3ed1420208c86d5c

Aliases

arxiv: 1908.01388 · arxiv_version: 1908.01388v2 · doi: 10.48550/arxiv.1908.01388 · pith_short_12: EVWX75JNFEO7 · pith_short_16: EVWX75JNFEO7D44C · pith_short_8: EVWX75JN

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/EVWX75JNFEO7D44CN3PKGLORSF \
  | 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: 256d7ff52d291df1f3826edea32dd191477c281acc214fbd3ed1420208c86d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b6a84de05b9da7676bcbd8a06f56cc40d4594ad387dbf652ec3ca6ef40180a",
    "cross_cats_sorted": [
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-08-04T19:09:09Z",
    "title_canon_sha256": "d951b2001a0b82f830dff24206e53441b84762a5af1448b1309d957ab3ecf1d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01388",
    "kind": "arxiv",
    "version": 2
  }
}