Pith Number

pith:CPRFYVEG

pith:2016:CPRFYVEGPB3LHU3ZINFO7VGHES

not attested not anchored not stored refs pending

EFANNA : An Extremely Fast Approximate Nearest Neighbor Search Algorithm Based on kNN Graph

Cong Fu, Deng Cai

arxiv:1609.07228 v3 · 2016-09-23 · 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{CPRFYVEGPB3LHU3ZINFO7VGHES}

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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.

Cited by

3 papers in Pith

AlayaLaser: Efficient Index Layout and Search Strategy for Large-scale High-dimensional Vector Similarity Search

ScaleGANN: Accelerate Large-Scale ANN Indexing by Cost-effective Cloud GPUs

MCI: A Maximal Clique Index for Efficient Arbitrary-Filtered Approximate Nearest Neighbor Search

Receipt and verification

First computed	2026-05-18T00:55:57.589816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e25c54867876b3d379434aefd4c724833e903edbefb5548a14641f808a0364

Aliases

arxiv: 1609.07228 · arxiv_version: 1609.07228v3 · doi: 10.48550/arxiv.1609.07228 · pith_short_12: CPRFYVEGPB3L · pith_short_16: CPRFYVEGPB3LHU3Z · pith_short_8: CPRFYVEG

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/CPRFYVEGPB3LHU3ZINFO7VGHES \
  | 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: 13e25c54867876b3d379434aefd4c724833e903edbefb5548a14641f808a0364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc73d336b45caa439dce97eb91be045c2a0a7f733bb9a807ec7ad2dd1fa3178",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-09-23T04:34:54Z",
    "title_canon_sha256": "16082c7612f28940396e3c8ce0a73df2a6d36ef23239b00c96c892f9d5587e23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07228",
    "kind": "arxiv",
    "version": 3
  }
}