Pith Number

pith:DJA2P6GS

pith:2025:DJA2P6GSHY2YIRYBU4DIO66GJF

not attested not anchored not stored refs pending

Unsupervised Deep Learning-based Keypoint Localization Estimating Descriptor Matching Performance

\'Alvaro S. Hervella, David Rivas-Villar, Jorge Novo, Jos\'e Rouco

arxiv:2505.02779 v1 · 2025-05-05 · 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{DJA2P6GSHY2YIRYBU4DIO66GJF}

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	2026-07-05T10:58:42.873350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a41a7f8d23e35844701a706877bc64941bdf403c81420a7df47faf8a17471dd

Aliases

arxiv: 2505.02779 · arxiv_version: 2505.02779v1 · doi: 10.48550/arxiv.2505.02779 · pith_short_12: DJA2P6GSHY2Y · pith_short_16: DJA2P6GSHY2YIRYB · pith_short_8: DJA2P6GS

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/DJA2P6GSHY2YIRYBU4DIO66GJF \
  | 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: 1a41a7f8d23e35844701a706877bc64941bdf403c81420a7df47faf8a17471dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "facc9329e5dd650f8057cf826931d6a2d4faf90b6b68cb4f5d9cda0c8d1bda00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-05T16:46:32Z",
    "title_canon_sha256": "e684eb16638fd4a9685d0ee610b9d166c27e1340f1b48467adf5b7f8949deec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02779",
    "kind": "arxiv",
    "version": 1
  }
}