Pith Number

pith:2SOEAB4A

pith:2017:2SOEAB4AC7QY3V3QB4YM3ILRNU

not attested not anchored not stored refs pending

Near-linear time approximation algorithms for optimal transport via Sinkhorn iteration

Jason Altschuler, Jonathan Weed, Philippe Rigollet

arxiv:1705.09634 v2 · 2017-05-26 · cs.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SOEAB4AC7QY3V3QB4YM3ILRNU}

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	2026-05-18T00:24:10.203733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49c40078017e18dd7700f30cda1716d26383a29f0ec6227f1c98bd52af5e25f

Aliases

arxiv: 1705.09634 · arxiv_version: 1705.09634v2 · doi: 10.48550/arxiv.1705.09634 · pith_short_12: 2SOEAB4AC7QY · pith_short_16: 2SOEAB4AC7QY3V3Q · pith_short_8: 2SOEAB4A

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/2SOEAB4AC7QY3V3QB4YM3ILRNU \
  | 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: d49c40078017e18dd7700f30cda1716d26383a29f0ec6227f1c98bd52af5e25f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3efbd876a1b35115a8e64fa04b0a040eb6e156901c3646c040737bda289ed707",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-26T16:14:38Z",
    "title_canon_sha256": "6c8a835ea6035263e6af30222a7ef44aca91ba19f3f0ecbf11e47fa41c0790d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09634",
    "kind": "arxiv",
    "version": 2
  }
}