Pith Number

pith:U7VFZ57T

pith:2018:U7VFZ57TKPWYHVLFOOMNJW4EMH

not attested not anchored not stored refs pending

Efficient Nearest Neighbors Search for Large-Scale Landmark Recognition

Andrea Prati, Federico Magliani, Tomaso Fontanini

arxiv:1806.05946 v1 · 2018-06-15 · 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{U7VFZ57TKPWYHVLFOOMNJW4EMH}

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	2026-05-18T00:13:08.950274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ea5cf7f353ed83d5657398d4db8461f6b2df0e7216f8b5a71b65e1631a568d

Aliases

arxiv: 1806.05946 · arxiv_version: 1806.05946v1 · doi: 10.48550/arxiv.1806.05946 · pith_short_12: U7VFZ57TKPWY · pith_short_16: U7VFZ57TKPWYHVLF · pith_short_8: U7VFZ57T

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/U7VFZ57TKPWYHVLFOOMNJW4EMH \
  | 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: a7ea5cf7f353ed83d5657398d4db8461f6b2df0e7216f8b5a71b65e1631a568d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6953288729b576eec9067272c48db4849f4f419e46767d74f63ec52ee92317c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-15T13:18:59Z",
    "title_canon_sha256": "0e99caef42bc2e9a473bd78d2de035410c83d512353a1e896bd6b7ae2e923239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05946",
    "kind": "arxiv",
    "version": 1
  }
}