Pith Number

pith:7AIERS53

pith:2025:7AIERS53D6YCQ4BGSPJCYG2ZNX

not attested not anchored not stored refs pending

Convex relaxation approaches for high-dimensional optimal transport

Tianyun Tang, YueHaw Khoo

arxiv:2511.13847 v3 · 2025-11-17 · math.OC · cs.NA · math.NA · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AIERS53D6YCQ4BGSPJCYG2ZNX}

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	2026-07-01T00:17:09.249982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81048cbbb1fb028702693d22c1b596dd400a74f2ac21bfa6caa012d7cf1d896

Aliases

arxiv: 2511.13847 · arxiv_version: 2511.13847v3 · doi: 10.48550/arxiv.2511.13847 · pith_short_12: 7AIERS53D6YC · pith_short_16: 7AIERS53D6YCQ4BG · pith_short_8: 7AIERS53

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/7AIERS53D6YCQ4BGSPJCYG2ZNX \
  | 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: f81048cbbb1fb028702693d22c1b596dd400a74f2ac21bfa6caa012d7cf1d896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c6f06209e143884ebe8418dc8a07e16ed6565d6d401202440bf160adc790b0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-11-17T19:04:28Z",
    "title_canon_sha256": "69cf1c7c7b50a7353adda99b15cb13655af62e15eadb7946915f399e33dccfcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.13847",
    "kind": "arxiv",
    "version": 3
  }
}