pith. sign in
Pith Number

pith:HOSC2UC4

pith:2021:HOSC2UC454KDGLTA64INP34WJH
not attested not anchored not stored refs pending

Exploring Instance Relations for Unsupervised Feature Embedding

Weiping Wang, Yifei Zhang, Yu Zhou

arxiv:2105.03341 v1 · 2021-05-07 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HOSC2UC454KDGLTA64INP34WJH}

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 2026-07-05T02:38:24.554958Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3ba42d505cef14332e60f710d7ef9649c0b3ad6c06968f4a0f53537b469df0f4

Aliases

arxiv: 2105.03341 · arxiv_version: 2105.03341v1 · doi: 10.48550/arxiv.2105.03341 · pith_short_12: HOSC2UC454KD · pith_short_16: HOSC2UC454KDGLTA · pith_short_8: HOSC2UC4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HOSC2UC454KDGLTA64INP34WJH \
  | 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: 3ba42d505cef14332e60f710d7ef9649c0b3ad6c06968f4a0f53537b469df0f4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1ca2bbd4a5e0444cc30a4b78675d6059480943c4a17642fde7df8f175ba5e40a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-07T15:47:53Z",
    "title_canon_sha256": "5aa9b3b3265b6cafbd4214f03720832659a5dbaf183399bf6e10913f8798e8b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03341",
    "kind": "arxiv",
    "version": 1
  }
}