Pith Number

pith:ATMPE2OW

pith:2021:ATMPE2OW3T7EC5WGPPOBLQMS55

not attested not anchored not stored refs pending

Source-Free Adaptation to Measurement Shift via Bottom-Up Feature Restoration

Bernhard Sch\"olkopf, Christopher K. I. Williams, Cian Eastwood, Ian Mason

arxiv:2107.05446 v3 · 2021-07-12 · cs.LG · cs.AI · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATMPE2OW3T7EC5WGPPOBLQMS55}

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	2026-07-05T04:05:59.274858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04d8f269d6dcfe4176c67bdc15c192ef4bbd40af201344290c00b50545f5551b

Aliases

arxiv: 2107.05446 · arxiv_version: 2107.05446v3 · doi: 10.48550/arxiv.2107.05446 · pith_short_12: ATMPE2OW3T7E · pith_short_16: ATMPE2OW3T7EC5WG · pith_short_8: ATMPE2OW

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/ATMPE2OW3T7EC5WGPPOBLQMS55 \
  | 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: 04d8f269d6dcfe4176c67bdc15c192ef4bbd40af201344290c00b50545f5551b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "874640be6014e73ebd19c0a9673a7ec6c259b099282f169f027782470e8f5e85",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-12T14:21:14Z",
    "title_canon_sha256": "3f16309e09a47388c39ca61e97a2d801ad515747f0368795e9163366dda94d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05446",
    "kind": "arxiv",
    "version": 3
  }
}