Pith Number

pith:XX2WQSCX

pith:2025:XX2WQSCXZNQHX64RTLH7E7OF3K

not attested not anchored not stored refs pending

Sparse Navigable Graphs for Nearest Neighbor Search: Algorithms and Hardness

Ashwin Padaki, Erik Waingarten, Sanjeev Khanna

arxiv:2507.14060 v1 · 2025-07-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XX2WQSCXZNQHX64RTLH7E7OF3K}

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	2026-07-05T11:39:27.978358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf5684857cb607bfb919acff27dc5dab19d37cd978803f842fccd1f45eca26d

Aliases

arxiv: 2507.14060 · arxiv_version: 2507.14060v1 · doi: 10.48550/arxiv.2507.14060 · pith_short_12: XX2WQSCXZNQH · pith_short_16: XX2WQSCXZNQHX64R · pith_short_8: XX2WQSCX

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/XX2WQSCXZNQHX64RTLH7E7OF3K \
  | 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: bdf5684857cb607bfb919acff27dc5dab19d37cd978803f842fccd1f45eca26d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff8d7d7e64baf2a47c2adad4d9b2a3eb88b68219fc34af68bc153cd40d0dd830",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-07-18T16:41:21Z",
    "title_canon_sha256": "f12ccc8f3a6348ce4667a1021638792d976e95630e674f9f7411858448bf86c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14060",
    "kind": "arxiv",
    "version": 1
  }
}