Pith Number

pith:JOUJIGSC

pith:2017:JOUJIGSCYB4REV2DVCXQ5SMGF3

not attested not anchored not stored refs pending

An algorithm for optimal transport between a simplex soup and a point cloud

Boris Thibert, Jocelyn Meyron, Quentin M\'erigot

arxiv:1707.01337 v1 · 2017-07-05 · cs.CG · 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{JOUJIGSCYB4REV2DVCXQ5SMGF3}

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	2026-05-18T00:40:53.111285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba8941a42c079125743a8af0ec9862ece91c176729fd530b6026d1065868b1f

Aliases

arxiv: 1707.01337 · arxiv_version: 1707.01337v1 · doi: 10.48550/arxiv.1707.01337 · pith_short_12: JOUJIGSCYB4R · pith_short_16: JOUJIGSCYB4REV2D · pith_short_8: JOUJIGSC

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/JOUJIGSCYB4REV2DVCXQ5SMGF3 \
  | 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: 4ba8941a42c079125743a8af0ec9862ece91c176729fd530b6026d1065868b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be07c8b0867c6c04250692886b735ef0f8cc0318871f97049f299ecbcd738d8",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-07-05T11:57:47Z",
    "title_canon_sha256": "8e29966a40292817c33e54d4bbf46b6733d84cb40cde312303c1f90193a752de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01337",
    "kind": "arxiv",
    "version": 1
  }
}