Pith Number

pith:BCTRE2CS

pith:2026:BCTRE2CSLCB6DFYY6TVKWFLAYD

not attested not anchored not stored refs pending

Homology-Preserving Dimensionality Reduction via Adaptive Mapper and Landmark Isomap

Bei Wang, Ilia Jahanshahi, Lin Yan, Shakiba Khourashahi

arxiv:2606.04464 v1 · 2026-06-03 · 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{BCTRE2CSLCB6DFYY6TVKWFLAYD}

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	2026-06-04T01:09:09.214513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08a71268525883e19718f4eaab1560c0c31dbd132563ccdc45634a633c1f4b7e

Aliases

arxiv: 2606.04464 · arxiv_version: 2606.04464v1 · doi: 10.48550/arxiv.2606.04464 · pith_short_12: BCTRE2CSLCB6 · pith_short_16: BCTRE2CSLCB6DFYY · pith_short_8: BCTRE2CS

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/BCTRE2CSLCB6DFYY6TVKWFLAYD \
  | 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: 08a71268525883e19718f4eaab1560c0c31dbd132563ccdc45634a633c1f4b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6e043d733bc688ff79ce5db825b1132d8a32ca82ec0d25220c3935113497c5",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-06-03T05:20:21Z",
    "title_canon_sha256": "4cbfdbe4e97c908628507e858a20b7b9394d966d7e15b63952b5f23cac3864a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04464",
    "kind": "arxiv",
    "version": 1
  }
}