Pith Number

pith:IAYD4QYZ

pith:2017:IAYD4QYZA5I734LHP6TCNS3WOT

not attested not anchored not stored refs pending

A geometric perspective on regularized optimal transport

Flavien L\'eger

arxiv:1703.10243 v2 · 2017-03-29 · math.OC · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAYD4QYZA5I734LHP6TCNS3WOT}

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	2026-05-18T00:46:00.191897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40303e43190751fdf1677fa626cb7674cfeb80a4cc7141029cc983865c45bfc7

Aliases

arxiv: 1703.10243 · arxiv_version: 1703.10243v2 · doi: 10.48550/arxiv.1703.10243 · pith_short_12: IAYD4QYZA5I7 · pith_short_16: IAYD4QYZA5I734LH · pith_short_8: IAYD4QYZ

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/IAYD4QYZA5I734LHP6TCNS3WOT \
  | 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: 40303e43190751fdf1677fa626cb7674cfeb80a4cc7141029cc983865c45bfc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a2d57786799a6ca474cbafcec0702ac288bf00b2b7ac7b4bc796cab683a63d4",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-29T20:47:53Z",
    "title_canon_sha256": "6649e7b821f8e3a394b2f4e3909209826bb12e01a406af32713355055f01b339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10243",
    "kind": "arxiv",
    "version": 2
  }
}