pith. sign in
Pith Number

pith:GHDHT2WH

pith:2021:GHDHT2WHRH5O52AHM74B4756CK
not attested not anchored not stored refs pending

Unsupervised Outlier Detection using Memory and Contrastive Learning

Dou Quan, Jocelyn Chanussot, Licheng Jiao, Ning Huyan, Xiangrong Zhang, Xuefeng Liang

arxiv:2107.12642 v1 · 2021-07-27 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GHDHT2WHRH5O52AHM74B4756CK}

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 2026-07-05T05:18:22.975961Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

31c679eac789faeee80767f81e7fbe128c3d397d5ad35628ddfa65e0c1a0de8d

Aliases

arxiv: 2107.12642 · arxiv_version: 2107.12642v1 · doi: 10.48550/arxiv.2107.12642 · pith_short_12: GHDHT2WHRH5O · pith_short_16: GHDHT2WHRH5O52AH · pith_short_8: GHDHT2WH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GHDHT2WHRH5O52AHM74B4756CK \
  | 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: 31c679eac789faeee80767f81e7fbe128c3d397d5ad35628ddfa65e0c1a0de8d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f3bc2a7fceaf478475f63c876c6fefa793788b410f87eb2880d0523f9dfeda80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-27T07:35:42Z",
    "title_canon_sha256": "1a726835d5c0b6dc2f7ad767b78a44bf3d7f302a264424fb241949d50cf5744d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12642",
    "kind": "arxiv",
    "version": 1
  }
}