Pith Number

pith:LJ537DW2

pith:2021:LJ537DW2J4SYLR7FKNCDKB6PUU

not attested not anchored not stored refs pending

The 2021 Image Similarity Dataset and Challenge

Cristian Canton Ferrer, Ed Pizzi, Filip Radenovic, Giorgos Tolias, Ismail Elezi, Laura Leal-Taix\'e, Lowik Chanussot, Matthijs Douze, Maxim Maximov, Ond\v{r}ej Chum, Tomas Jenicek, Zo\"e Papakipos

arxiv:2106.09672 v4 · 2021-06-17 · 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{LJ537DW2J4SYLR7FKNCDKB6PUU}

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.

Cited by

5 papers in Pith

FIKA-Bench: From Fine-grained Recognition to Fine-Grained Knowledge Acquisition

Vision Transformers Need Registers

The Faiss library

From Codebooks to VLMs: Evaluating Automated Visual Discourse Analysis for Climate Change on Social Media

Receipt and verification

First computed	2026-07-05T03:58:34.329669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7bbf8eda4f2585c7e553443507cfa525ef70116a2b766bdd9b8c4c9134255b

Aliases

arxiv: 2106.09672 · arxiv_version: 2106.09672v4 · doi: 10.48550/arxiv.2106.09672 · pith_short_12: LJ537DW2J4SY · pith_short_16: LJ537DW2J4SYLR7F · pith_short_8: LJ537DW2

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/LJ537DW2J4SYLR7FKNCDKB6PUU \
  | 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: 5a7bbf8eda4f2585c7e553443507cfa525ef70116a2b766bdd9b8c4c9134255b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc2237fb8026e8c89599bb2fdc1a324564ba80b4721881d3b4ac2b4e852e7cc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-17T17:23:59Z",
    "title_canon_sha256": "4772df92fe61de8d016adcfdc80935e6e3f05ddd103f783e32e63b4711e1e6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09672",
    "kind": "arxiv",
    "version": 4
  }
}