Pith Number

pith:FQXSTUQU

pith:2026:FQXSTUQUSZAW77FYV62V5SVVPO

not attested not anchored not stored refs pending

Variance-reduced Domain Adaptation using Paired Sampling

Andrea Napoli

arxiv:2607.20367 v1 · 2026-07-22 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQXSTUQUSZAW77FYV62V5SVVPO}

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	2026-07-23T01:25:16.827736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2f29d21496416ffcb8afb55ecab57b8e5b045024dd8d83c623749100b94eef

Aliases

arxiv: 2607.20367 · arxiv_version: 2607.20367v1 · doi: 10.48550/arxiv.2607.20367 · pith_short_12: FQXSTUQUSZAW · pith_short_16: FQXSTUQUSZAW77FY · pith_short_8: FQXSTUQU

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/FQXSTUQUSZAW77FYV62V5SVVPO \
  | 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: 2c2f29d21496416ffcb8afb55ecab57b8e5b045024dd8d83c623749100b94eef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5088f9381977dc82c21bd1d2c63403a723bfd1064bebc96f15abe7a3e90245f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-22T16:58:45Z",
    "title_canon_sha256": "55dd3d3b4825b47ad1781f01e53fe6179108ed5b83b70b7ba2c5b07ef3cf4ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20367",
    "kind": "arxiv",
    "version": 1
  }
}