Pith Number

pith:Y4FZNSEW

pith:2018:Y4FZNSEWX4HP4UOZCZNM57CIH4

not attested not anchored not stored refs pending

Lifted Wasserstein Matcher for Fast and Robust Topology Tracking

Bruno Conche, Julien Tierny, Maxime Soler, M\'elanie Plainchault

arxiv:1808.05870 v4 · 2018-08-17 · eess.IV · cs.CG · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4FZNSEWX4HP4UOZCZNM57CIH4}

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	2026-05-17T23:57:07.407244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70b96c896bf0efe51d9165acefc483f3f6716b86f199dde05bac3797d743271

Aliases

arxiv: 1808.05870 · arxiv_version: 1808.05870v4 · doi: 10.48550/arxiv.1808.05870 · pith_short_12: Y4FZNSEWX4HP · pith_short_16: Y4FZNSEWX4HP4UOZ · pith_short_8: Y4FZNSEW

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/Y4FZNSEWX4HP4UOZCZNM57CIH4 \
  | 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: c70b96c896bf0efe51d9165acefc483f3f6716b86f199dde05bac3797d743271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c43b2eba38fbf9256b28c106b8ff2592df8d970cce1a8b5a3b1e87f018e024",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-08-17T13:54:05Z",
    "title_canon_sha256": "6d1aefaf2a48570b4ca24f41206cded4243aeda8ebee1236ad0e4d9f0ae332fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05870",
    "kind": "arxiv",
    "version": 4
  }
}