Pith Number

pith:WW2KEUVP

pith:2018:WW2KEUVPIP6UWTUP6UVVVEG7VB

not attested not anchored not stored refs pending

Homology-Preserving Dimensionality Reduction via Manifold Landmarking and Tearing

Bei Wang, Carlos Scheidegger, Lin Yan, Paul Rosen, Yaodong Zhao

arxiv:1806.08460 v1 · 2018-06-22 · cs.CG · 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{WW2KEUVPIP6UWTUP6UVVVEG7VB}

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	2026-05-18T00:12:37.225620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b4a252af43fd4b4e8ff52b5a90dfa87a3aeca6ae3f7eb252fcf1efa7b889f4

Aliases

arxiv: 1806.08460 · arxiv_version: 1806.08460v1 · doi: 10.48550/arxiv.1806.08460 · pith_short_12: WW2KEUVPIP6U · pith_short_16: WW2KEUVPIP6UWTUP · pith_short_8: WW2KEUVP

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/WW2KEUVPIP6UWTUP6UVVVEG7VB \
  | 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: b5b4a252af43fd4b4e8ff52b5a90dfa87a3aeca6ae3f7eb252fcf1efa7b889f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd3403c3afb72df969eb8ded5e438bae6f840616dba1428e4ca211b50fdc46b",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-06-22T00:44:23Z",
    "title_canon_sha256": "d2b91af1f86e4c0a46df01a9888a2739392ce79db8826ec0f30160d57fd14ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08460",
    "kind": "arxiv",
    "version": 1
  }
}