Pith Number

pith:HU3VFS6E

pith:2025:HU3VFS6EDFKJX7X6OEHB2JO2O7

not attested not anchored not stored refs pending

Locality-Sensitive Hashing for Efficient Hard Negative Sampling in Contrastive Learning

Daniel Roth, Fabian Deuser, Hannah Schieber, Martin Werner, Norbert Oswald, Philipp Hausenblas

arxiv:2505.17844 v1 · 2025-05-23 · 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{HU3VFS6EDFKJX7X6OEHB2JO2O7}

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	2026-07-05T11:08:32.830952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d3752cbc419549bfefe710e1d25da77dbcbf169696446467a0d346728d32c09

Aliases

arxiv: 2505.17844 · arxiv_version: 2505.17844v1 · doi: 10.48550/arxiv.2505.17844 · pith_short_12: HU3VFS6EDFKJ · pith_short_16: HU3VFS6EDFKJX7X6 · pith_short_8: HU3VFS6E

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/HU3VFS6EDFKJX7X6OEHB2JO2O7 \
  | 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: 3d3752cbc419549bfefe710e1d25da77dbcbf169696446467a0d346728d32c09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87df9a1ecf2a4ff8cbd61bb7343fb77063743b88d14445898902ac9712703782",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-23T12:58:42Z",
    "title_canon_sha256": "ce04c6a53a8ac19798b5e6b953d35aaffe5247cacc55f81f249070d21cdec747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17844",
    "kind": "arxiv",
    "version": 1
  }
}