Pith Number

pith:OQTKLTKF

pith:2019:OQTKLTKFGNCMSFTGO7E7WJLGA6

not attested not anchored not stored refs pending

Image Retrieval and Pattern Spotting using Siamese Neural Network

Alceu S. Britto Jr., Alessandro L. Koerich, Kelly L. Wiggers, Laurent Heutte, Luiz S. Oliveira

arxiv:1906.09513 v1 · 2019-06-22 · 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{OQTKLTKFGNCMSFTGO7E7WJLGA6}

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	2026-05-17T23:42:37.737368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7426a5cd453344c9166677c9fb256607890fff94f50e125bfea6c45518096e04

Aliases

arxiv: 1906.09513 · arxiv_version: 1906.09513v1 · doi: 10.48550/arxiv.1906.09513 · pith_short_12: OQTKLTKFGNCM · pith_short_16: OQTKLTKFGNCMSFTG · pith_short_8: OQTKLTKF

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/OQTKLTKFGNCMSFTGO7E7WJLGA6 \
  | 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: 7426a5cd453344c9166677c9fb256607890fff94f50e125bfea6c45518096e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1afea08b1d7c2c4549959e63dfabfc121634bf513d69aeffec904da6765eab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-22T22:33:44Z",
    "title_canon_sha256": "fdbb9c7326111be3f164888ee59dad7cc8075dba5050c2770e27d2195de6c708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09513",
    "kind": "arxiv",
    "version": 1
  }
}