Pith Number

pith:N5UZMBBP

pith:2026:N5UZMBBPZPQ4EZA35OIKYK37XM

not attested not anchored not stored refs pending

When to Repair a Graph ANN Index: Navigability-Signal-Triggered Local Repair Protects Tail Recall Under Bursty Churn

Madhulatha Mandarapu, Sandeep Kunkunuru

arxiv:2607.00728 v1 · 2026-07-01 · 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{N5UZMBBPZPQ4EZA35OIKYK37XM}

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	2026-07-02T01:17:52.808694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6996042fcbe1c2641beb90ac2b7fbb3655c3d449bb89782431a73a345ce930

Aliases

arxiv: 2607.00728 · arxiv_version: 2607.00728v1 · doi: 10.48550/arxiv.2607.00728 · pith_short_12: N5UZMBBPZPQ4 · pith_short_16: N5UZMBBPZPQ4EZA3 · pith_short_8: N5UZMBBP

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/N5UZMBBPZPQ4EZA35OIKYK37XM \
  | 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: 6f6996042fcbe1c2641beb90ac2b7fbb3655c3d449bb89782431a73a345ce930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b2105821b36c53ac8153407faa0a73317bae0259739a62bf820e6898e870bf1",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-01T10:13:20Z",
    "title_canon_sha256": "da6e9952e8381744414f8e919cf8fefba70d78900b0932dd5bf35eb4b90b31f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00728",
    "kind": "arxiv",
    "version": 1
  }
}