Pith Number

pith:OZR2BGT6

pith:2026:OZR2BGT6JCUHX2FR43HIZPOHKJ

not attested not anchored not stored refs pending

MERIT: Efficient In-Place Deletion for Dynamic Graph-Based Approximate Nearest Neighbor Indexes

Haoyang Li, Heng Tao Shen, Jiabao Jin, Jingkuan Song, Junjie Yao, Lei Chen, Peng Cheng, Wangze Ni, Zekai Wu

arxiv:2607.29173 v1 · 2026-07-31 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZR2BGT6JCUHX2FR43HIZPOHKJ}

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	2026-08-03T01:20:28.876480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7663a09a7e48a87be8b1e6ce8cbdc75256c6ba83f2afff890392d9d826c9bec7

Aliases

arxiv: 2607.29173 · arxiv_version: 2607.29173v1 · doi: 10.48550/arxiv.2607.29173 · pith_short_12: OZR2BGT6JCUH · pith_short_16: OZR2BGT6JCUHX2FR · pith_short_8: OZR2BGT6

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/OZR2BGT6JCUHX2FR43HIZPOHKJ \
  | 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: 7663a09a7e48a87be8b1e6ce8cbdc75256c6ba83f2afff890392d9d826c9bec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa74a5f4af31df61f5c29e6fa8c85d7168951f66a8dc0cd44f48107a781219e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-31T08:52:00Z",
    "title_canon_sha256": "87696ebccc3de14ce4e370e85e04cbe4e7dacb3529e5bdeafca218a9b5fef1fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29173",
    "kind": "arxiv",
    "version": 1
  }
}