Pith Number

pith:2QSJPPR3

pith:2014:2QSJPPR3VLIOHUDFX264I7E45Y

not attested not anchored not stored refs pending

Iterative Bregman Projections for Regularized Transportation Problems

Gabriel Peyr\'e (CEREMADE), Guillaume Carlier (CEREMADE), Jean-David Benamou (INRIA Paris-Rocquencourt), Luca Nenna (INRIA Paris-Rocquencourt), Marco Cuturi

arxiv:1412.5154 v1 · 2014-12-16 · 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{2QSJPPR3VLIOHUDFX264I7E45Y}

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	2026-05-18T02:31:09.542088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42497be3baad0e3d065bebdc47c9cee19c3f9bdc2458531cc41dbc8d3717407

Aliases

arxiv: 1412.5154 · arxiv_version: 1412.5154v1 · doi: 10.48550/arxiv.1412.5154 · pith_short_12: 2QSJPPR3VLIO · pith_short_16: 2QSJPPR3VLIOHUDF · pith_short_8: 2QSJPPR3

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/2QSJPPR3VLIOHUDFX264I7E45Y \
  | 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: d42497be3baad0e3d065bebdc47c9cee19c3f9bdc2458531cc41dbc8d3717407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02f48b58b911d35b07aece192a7e8914f00c452bf506da176a894b0a55a8244",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-16T20:27:36Z",
    "title_canon_sha256": "36e7998b20b1b7c2b44189ec7a3ac61f031260b88ddad980e4553e7ca274f4cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5154",
    "kind": "arxiv",
    "version": 1
  }
}