Pith Number

pith:SF23LF5Z

pith:2021:SF23LF5ZCJ6O3X2OWUH52BAQVP

not attested not anchored not stored refs pending

Generalized Contrastive Optimization of Siamese Networks for Place Recognition

Mar\'ia Leyva-Vallina, Nicolai Petkov, Nicola Strisciuglio

arxiv:2103.06638 v4 · 2021-03-11 · cs.CV

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SF23LF5ZCJ6O3X2OWUH52BAQVP}

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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

1 paper in Pith

Visual Place Recognition for Large-Scale UAV Applications

Receipt and verification

First computed	2026-07-05T06:02:43.975005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9175b597b9127ceddf4eb50fdd0410abe502ef94d7e59cd189edfb56fc743645

Aliases

arxiv: 2103.06638 · arxiv_version: 2103.06638v4 · doi: 10.48550/arxiv.2103.06638 · pith_short_12: SF23LF5ZCJ6O · pith_short_16: SF23LF5ZCJ6O3X2O · pith_short_8: SF23LF5Z

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/SF23LF5ZCJ6O3X2OWUH52BAQVP \
  | 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: 9175b597b9127ceddf4eb50fdd0410abe502ef94d7e59cd189edfb56fc743645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e2a81358cbb693521714ce563ffd878e41e909b48fcbb19916123d3831ff80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-11T12:32:05Z",
    "title_canon_sha256": "15ea88b38a73fc7f0dd141de7ff74c3926485208fe2902ff69a99cd19b14cc91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06638",
    "kind": "arxiv",
    "version": 4
  }
}