Pith Number

pith:G7XLTEBZ

pith:2014:G7XLTEBZRYWZQDZWHBJULC5Z4L

not attested not anchored not stored refs pending

Numerical methods for matching for teams and Wasserstein barycenters

Adam Oberman, Edouard Oudet, Guillaume Carlier

arxiv:1411.3602 v1 · 2014-11-13 · math.NA · 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{G7XLTEBZRYWZQDZWHBJULC5Z4L}

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	2026-05-18T02:37:43.363614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37eeb990398e2d980f363853458bb9e2cd134029377b6e7f3d8c81ca29d74f8c

Aliases

arxiv: 1411.3602 · arxiv_version: 1411.3602v1 · doi: 10.48550/arxiv.1411.3602 · pith_short_12: G7XLTEBZRYWZ · pith_short_16: G7XLTEBZRYWZQDZW · pith_short_8: G7XLTEBZ

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/G7XLTEBZRYWZQDZWHBJULC5Z4L \
  | 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: 37eeb990398e2d980f363853458bb9e2cd134029377b6e7f3d8c81ca29d74f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8441fe42c53bf88335a24b9de54163c72c1db6741d5fd5bf1b54efd6a4a8051c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-11-13T16:22:51Z",
    "title_canon_sha256": "88d74c2ede083f4ed7080164994ce09c3300dd6f55ee6a9837f4674dcab1246c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3602",
    "kind": "arxiv",
    "version": 1
  }
}