Pith Number

pith:OQ6DWYU3

pith:2017:OQ6DWYU3R3C6MGNBJQ6LCE4FID

not attested not anchored not stored refs pending

Semi-discrete optimal transport - the case p=1

Dominic Schuhmacher, Valentin Hartmann

arxiv:1706.07650 v2 · 2017-06-23 · math.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQ6DWYU3R3C6MGNBJQ6LCE4FID}

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	2026-05-18T00:04:05.204455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

743c3b629b8ec5e619a14c3cb1138540de1f27c4b00ca167fe8146181cd1bf14

Aliases

arxiv: 1706.07650 · arxiv_version: 1706.07650v2 · doi: 10.48550/arxiv.1706.07650 · pith_short_12: OQ6DWYU3R3C6 · pith_short_16: OQ6DWYU3R3C6MGNB · pith_short_8: OQ6DWYU3

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/OQ6DWYU3R3C6MGNBJQ6LCE4FID \
  | 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: 743c3b629b8ec5e619a14c3cb1138540de1f27c4b00ca167fe8146181cd1bf14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46017efc4578f3db82b9132d51b484a693218f6e7f33c117ac08d59b3752a429",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-23T11:57:37Z",
    "title_canon_sha256": "b7c1471dca03a28549f863dffd38303715846f73195ae2e6ce31b41ca7c6ed38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07650",
    "kind": "arxiv",
    "version": 2
  }
}