Pith Number

pith:XZ4CPUL2

pith:2016:XZ4CPUL2L6JMVT5HNRCLK2ZSQU

not attested not anchored not stored refs pending

A Revisit of Hashing Algorithms for Approximate Nearest Neighbor Search

Deng Cai

arxiv:1612.07545 v6 · 2016-12-22 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ4CPUL2L6JMVT5HNRCLK2ZSQU}

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	2026-05-17T23:42:59.234168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be7827d17a5f92cacfa76c44b56b3285287a94c561e14827b08b2f5be86216c3

Aliases

arxiv: 1612.07545 · arxiv_version: 1612.07545v6 · doi: 10.48550/arxiv.1612.07545 · pith_short_12: XZ4CPUL2L6JM · pith_short_16: XZ4CPUL2L6JMVT5H · pith_short_8: XZ4CPUL2

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/XZ4CPUL2L6JMVT5HNRCLK2ZSQU \
  | 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: be7827d17a5f92cacfa76c44b56b3285287a94c561e14827b08b2f5be86216c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0217da64fa23a92042c181f661ada4135fad7fe52790b73777a7d35500a0cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-22T11:17:55Z",
    "title_canon_sha256": "34300cd5ae9ccccfa6155d2efc808d0e7c4ce323361b85431a78d7936595c2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07545",
    "kind": "arxiv",
    "version": 6
  }
}