Pith Number

pith:CA3DQJD6

pith:2021:CA3DQJD6FXKS4XQRJQDKGSB75K

not attested not anchored not stored refs pending

Efficient Pre-trained Features and Recurrent Pseudo-Labeling in Unsupervised Domain Adaptation

Brian D. Davison, Youshan Zhang

arxiv:2104.13486 v2 · 2021-04-27 · 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{CA3DQJD6FXKS4XQRJQDKGSB75K}

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	2026-07-05T02:36:32.769558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103638247e2dd52e5e114c06a3483feab9fd4108c856f2933de8a8d03d0d0612

Aliases

arxiv: 2104.13486 · arxiv_version: 2104.13486v2 · doi: 10.48550/arxiv.2104.13486 · pith_short_12: CA3DQJD6FXKS · pith_short_16: CA3DQJD6FXKS4XQR · pith_short_8: CA3DQJD6

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/CA3DQJD6FXKS4XQRJQDKGSB75K \
  | 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: 103638247e2dd52e5e114c06a3483feab9fd4108c856f2933de8a8d03d0d0612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c59bb0275f7866a956973311bcae2b0e53de279284ced209f9d18235dfa670",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-27T21:35:28Z",
    "title_canon_sha256": "c0d16dc8b2d4f4515908dc49672d05860924ddf834a46bfd93c02632718770ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13486",
    "kind": "arxiv",
    "version": 2
  }
}