Pith Number

pith:V54F6VSI

pith:2017:V54F6VSIO35JP7VACGYE7U6HL2

not attested not anchored not stored refs pending

A Framework for Wasserstein-1-Type Metrics

Benedikt Wirth, Bernhard Schmitzer

arxiv:1701.01945 v2 · 2017-01-08 · math.OC · cs.CV · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V54F6VSIO35JP7VACGYE7U6HL2}

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	2026-05-18T00:21:35.331499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af785f564876fa97fea011b04fd3c75e82d525b2f862961566f8c34122cef0d3

Aliases

arxiv: 1701.01945 · arxiv_version: 1701.01945v2 · doi: 10.48550/arxiv.1701.01945 · pith_short_12: V54F6VSIO35J · pith_short_16: V54F6VSIO35JP7VA · pith_short_8: V54F6VSI

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/V54F6VSIO35JP7VACGYE7U6HL2 \
  | 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: af785f564876fa97fea011b04fd3c75e82d525b2f862961566f8c34122cef0d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209189ce7df037f3709b1df0f0adbc59f74896f32c254bbef616219347fed39d",
    "cross_cats_sorted": [
      "cs.CV",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-01-08T11:31:30Z",
    "title_canon_sha256": "0c4f5b8396e99dd14edf8ecd9b1ac526c1b838d7f80a48c3bfaca54c0ceb71ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01945",
    "kind": "arxiv",
    "version": 2
  }
}