Pith Number

pith:UVTAOTVP

pith:2018:UVTAOTVPHJ3YLDCJ74YI2OSR54

not attested not anchored not stored refs pending

Approximating the Quadratic Transportation Metric in Near-Linear Time

Alessandro Rudi, Francis Bach, Jason Altschuler, Jonathan Weed

arxiv:1810.10046 v2 · 2018-10-23 · cs.DS · math.OC

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\usepackage{pith}
\pithnumber{UVTAOTVPHJ3YLDCJ74YI2OSR54}

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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

Optimizing Computational-Statistical Runtime for Wasserstein Distance Estimation

Receipt and verification

First computed	2026-05-17T23:58:13.529034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a566074eaf3a77858c49ff308d3a51ef2776d3537d58c6295d77b40e62054ab0

Aliases

arxiv: 1810.10046 · arxiv_version: 1810.10046v2 · doi: 10.48550/arxiv.1810.10046 · pith_short_12: UVTAOTVPHJ3Y · pith_short_16: UVTAOTVPHJ3YLDCJ · pith_short_8: UVTAOTVP

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/UVTAOTVPHJ3YLDCJ74YI2OSR54 \
  | 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: a566074eaf3a77858c49ff308d3a51ef2776d3537d58c6295d77b40e62054ab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58720580b7c933aabf44ef27859b08a471fc3f1810fa9119f92a726c859bc5cc",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-23T18:50:19Z",
    "title_canon_sha256": "7af234db044a353b0f13045500be1002c2224126434199cd18f3983ea55aa2ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10046",
    "kind": "arxiv",
    "version": 2
  }
}