Pith Number

pith:CJ7MIU7I

pith:2026:CJ7MIU7I5AG6SW3DWUIIFZKPM4

not attested not anchored not stored refs pending

Efficient and Effective In-place Graph-based Vector Index Updates

Bo Tang, Haotian Liu, Yujun He

arxiv:2607.15576 v1 · 2026-07-17 · cs.DB · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJ7MIU7I5AG6SW3DWUIIFZKPM4}

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	2026-07-20T00:18:41.193482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127ec453e8e80de95b63b51082e54f6721f81c8e245474620e479a90fd8fa051

Aliases

arxiv: 2607.15576 · arxiv_version: 2607.15576v1 · doi: 10.48550/arxiv.2607.15576 · pith_short_12: CJ7MIU7I5AG6 · pith_short_16: CJ7MIU7I5AG6SW3D · pith_short_8: CJ7MIU7I

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/CJ7MIU7I5AG6SW3DWUIIFZKPM4 \
  | 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: 127ec453e8e80de95b63b51082e54f6721f81c8e245474620e479a90fd8fa051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95edade79ab81ab23d10df419fd6bc3d8acfb98030c515e827750721914ffac",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-17T02:40:08Z",
    "title_canon_sha256": "b7c2999cd1bafdbe2437465f4eee1cbcefcbae5294179cfa472997f21d936c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15576",
    "kind": "arxiv",
    "version": 1
  }
}