Pith Number

pith:KSCBTWJQ

pith:2019:KSCBTWJQSWJN33IHJYLOUH6LCT

not attested not anchored not stored refs pending

SOSNet: Second Order Similarity Regularization for Local Descriptor Learning

Bin Fan, Fuchao Wu, Huub Heijnen, Vassileios Balntas, Xin Yu, Yurun Tian

arxiv:1904.05019 v2 · 2019-04-10 · 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{KSCBTWJQSWJN33IHJYLOUH6LCT}

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	2026-07-05T00:26:23.619934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548419d9309592dded074e16ea1fcb14e3654ace60b76f2f9e418b86b20a8ed8

Aliases

arxiv: 1904.05019 · arxiv_version: 1904.05019v2 · doi: 10.48550/arxiv.1904.05019 · pith_short_12: KSCBTWJQSWJN · pith_short_16: KSCBTWJQSWJN33IH · pith_short_8: KSCBTWJQ

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/KSCBTWJQSWJN33IHJYLOUH6LCT \
  | 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: 548419d9309592dded074e16ea1fcb14e3654ace60b76f2f9e418b86b20a8ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ad9e806c852bcb68af760cd2f4be62c8f02e5a69d6e024cd08d4294c48e2c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-10T06:33:28Z",
    "title_canon_sha256": "b2a94f691365962fe67e6e0e09cb00f0e3230cc54cceaa5bb9c09f98884a10ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05019",
    "kind": "arxiv",
    "version": 2
  }
}