Pith Number

pith:R2JEYIFY

pith:2025:R2JEYIFYBGQWC2PSB6XGAE2YHF

not attested not anchored not stored refs pending

Dynamic Similarity Graph Construction with Kernel Density Estimation

He Sun, Peter Macgregor, Steinar Laenen

arxiv:2507.01696 v1 · 2025-07-02 · cs.DS · 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{R2JEYIFYBGQWC2PSB6XGAE2YHF}

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	2026-07-05T11:30:53.336197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e924c20b809a16169f20fae6013583940974bd6661598bd0d203ca6f8abeb5a

Aliases

arxiv: 2507.01696 · arxiv_version: 2507.01696v1 · doi: 10.48550/arxiv.2507.01696 · pith_short_12: R2JEYIFYBGQW · pith_short_16: R2JEYIFYBGQWC2PS · pith_short_8: R2JEYIFY

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/R2JEYIFYBGQWC2PSB6XGAE2YHF \
  | 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: 8e924c20b809a16169f20fae6013583940974bd6661598bd0d203ca6f8abeb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d66fa27c7d915982f1f021a8e5eeed83aaba583fb8de3496acde1841922393d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-07-02T13:25:22Z",
    "title_canon_sha256": "551186e70695f53ff5ec63038aca30c80a95c18026435d0769d0434b1db0a430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01696",
    "kind": "arxiv",
    "version": 1
  }
}