Pith Number

pith:EXGJARWD

pith:2021:EXGJARWD4F7NZ7IOMZOPFM3NDJ

not attested not anchored not stored refs pending

Deep Least Squares Alignment for Unsupervised Domain Adaptation

Brian D. Davison, Youshan Zhang

arxiv:2111.02207 v1 · 2021-11-03 · 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{EXGJARWD4F7NZ7IOMZOPFM3NDJ}

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	2026-07-05T03:28:48.513301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25cc9046c3e17edcfd0e665cf2b36d1a507e7edb08ca85fa88948f3427055c25

Aliases

arxiv: 2111.02207 · arxiv_version: 2111.02207v1 · doi: 10.48550/arxiv.2111.02207 · pith_short_12: EXGJARWD4F7N · pith_short_16: EXGJARWD4F7NZ7IO · pith_short_8: EXGJARWD

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/EXGJARWD4F7NZ7IOMZOPFM3NDJ \
  | 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: 25cc9046c3e17edcfd0e665cf2b36d1a507e7edb08ca85fa88948f3427055c25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a6ee84e4fb7db654b204c7532f2126ab72620bab33f263f13d890abbf3f08b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-03T13:23:06Z",
    "title_canon_sha256": "e60ffb17f1d365abf38d5291d6ffa0cd97fbb5bb9442c5c7338735e489b548e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02207",
    "kind": "arxiv",
    "version": 1
  }
}