Pith Number

pith:MO4OTABO

pith:2022:MO4OTABO42E677O5JB37C446XR

not attested not anchored not stored refs pending

An efficient semismooth Newton-AMG-based inexact primal-dual algorithm for generalized transport problems

Hao Luo, Jun Hu, Zihang Zhang

arxiv:2207.14082 v1 · 2022-07-28 · math.OC

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\usepackage{pith}
\pithnumber{MO4OTABO42E677O5JB37C446XR}

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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

FINOM: Fast Sinkhorn on Non-uniform Meshes

Receipt and verification

First computed	2026-07-05T04:44:24.061135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b8e9802ee689effddd4877f1739ebc7c8a9707efc8c00dbe2e8745bb80a3f0

Aliases

arxiv: 2207.14082 · arxiv_version: 2207.14082v1 · doi: 10.48550/arxiv.2207.14082 · pith_short_12: MO4OTABO42E6 · pith_short_16: MO4OTABO42E677O5 · pith_short_8: MO4OTABO

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/MO4OTABO42E677O5JB37C446XR \
  | 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: 63b8e9802ee689effddd4877f1739ebc7c8a9707efc8c00dbe2e8745bb80a3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef74bccd3ad7fea2f5946658c10fdad02232292452037caa0c2d4ffc0096bc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-07-28T13:38:28Z",
    "title_canon_sha256": "ab61c325784ee3515061bf2314713949297a33d5272488bc6670e348e57dcb6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14082",
    "kind": "arxiv",
    "version": 1
  }
}