Pith Number

pith:LJ4HXEAV

pith:2024:LJ4HXEAV5GSDE7PTOUH24X6KWO

not attested not anchored not stored refs pending

Efficient Nearest Neighbor Search Using Dynamic Programming

Changhe Tu, Jiantao Song, Jiaye Wang, Pengfei Wang, Shiqing Xin, Shuangmin Chen, Wenping Wang

arxiv:2409.15023 v5 · 2024-09-23 · 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{LJ4HXEAV5GSDE7PTOUH24X6KWO}

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	2026-07-05T11:44:40.949366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a787b9015e9a4327df3750fae5fcab3817bad5220b33724313ecc232b3b2360

Aliases

arxiv: 2409.15023 · arxiv_version: 2409.15023v5 · doi: 10.48550/arxiv.2409.15023 · pith_short_12: LJ4HXEAV5GSD · pith_short_16: LJ4HXEAV5GSDE7PT · pith_short_8: LJ4HXEAV

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/LJ4HXEAV5GSDE7PTOUH24X6KWO \
  | 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: 5a787b9015e9a4327df3750fae5fcab3817bad5220b33724313ecc232b3b2360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4643f6d607d585b74d7b0a9e67a396c04f317fc6260afccc6259863caff9a6b",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2024-09-23T13:50:39Z",
    "title_canon_sha256": "41828bf795988265063973539ffc6cfb413f0161509c0988ccee8e589eb4d864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.15023",
    "kind": "arxiv",
    "version": 5
  }
}