Pith Number

pith:FFG2UVMJ

pith:2022:FFG2UVMJ75ID6U3WYHCM46V2RN

not attested not anchored not stored refs pending

SQuadMDS: a lean Stochastic Quartet MDS improving global structure preservation in neighbor embedding like t-SNE and UMAP

Cyril de Bodt, John Lee, Michel Verleysen, Pierre Lambert

arxiv:2202.12087 v1 · 2022-02-24 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFG2UVMJ75ID6U3WYHCM46V2RN}

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	2026-07-05T03:59:49.948595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294daa5589ff503f5376c1c4ce7aba8b6d794da1fb069ea63761b7b0e03bc96a

Aliases

arxiv: 2202.12087 · arxiv_version: 2202.12087v1 · doi: 10.48550/arxiv.2202.12087 · pith_short_12: FFG2UVMJ75ID · pith_short_16: FFG2UVMJ75ID6U3W · pith_short_8: FFG2UVMJ

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/FFG2UVMJ75ID6U3WYHCM46V2RN \
  | 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: 294daa5589ff503f5376c1c4ce7aba8b6d794da1fb069ea63761b7b0e03bc96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "972f3e9b0a2909f5ac0a4d79adf7a154d059ac1c02ce3ad0856d965fa968f04d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-24T13:14:58Z",
    "title_canon_sha256": "fd288a06a10d8498790dc281cde5e80b1837269448269b45e827e9a84bbb0026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12087",
    "kind": "arxiv",
    "version": 1
  }
}