Pith Number

pith:BKV4AVP6

pith:2017:BKV4AVP6RD2Q7FLGTHKLL5GRCY

not attested not anchored not stored refs pending

An Efficient Algorithm for Matrix-Valued and Vector-Valued Optimal Mass Transport

Allen Tannenbaum, Eldad Haber, Kaoru Yamamoto, Tryphon T. Georgiou, Yongxin Chen

arxiv:1706.08841 v1 · 2017-06-26 · cs.NA · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKV4AVP6RD2Q7FLGTHKLL5GRCY}

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	2026-05-18T00:41:30.862701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aabc055fe88f50f956699d4b5f4d1163a523db5278bbe10d21b62f970c78361

Aliases

arxiv: 1706.08841 · arxiv_version: 1706.08841v1 · doi: 10.48550/arxiv.1706.08841 · pith_short_12: BKV4AVP6RD2Q · pith_short_16: BKV4AVP6RD2Q7FLG · pith_short_8: BKV4AVP6

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/BKV4AVP6RD2Q7FLGTHKLL5GRCY \
  | 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: 0aabc055fe88f50f956699d4b5f4d1163a523db5278bbe10d21b62f970c78361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeefe27953a80435c479a61a34f7c208372ead5ba3440d65a19029b9ae454501",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-06-26T17:00:36Z",
    "title_canon_sha256": "03a6a4a85ffdeb213e142ff165ef6b70ad471f8dfefbcac4a3bf1af33465029c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08841",
    "kind": "arxiv",
    "version": 1
  }
}