Pith Number

pith:UV5IN62B

pith:2022:UV5IN62BOQMF7JL3OF3TKQK4F2

not attested not anchored not stored refs pending

Leveraging Ensembles and Self-Supervised Learning for Fully-Unsupervised Person Re-Identification and Text Authorship Attribution

Anderson Rocha, Ant\^onio Theophilo, Fernanda Andal\'o, Gabriel Bertocco

arxiv:2202.03126 v4 · 2022-02-07 · 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{UV5IN62BOQMF7JL3OF3TKQK4F2}

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	2026-07-05T06:26:15.426340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57a86fb4174185fa57b717735415c2e95f8ffdaeaabc7f6a1e206eba9085d6c

Aliases

arxiv: 2202.03126 · arxiv_version: 2202.03126v4 · doi: 10.48550/arxiv.2202.03126 · pith_short_12: UV5IN62BOQMF · pith_short_16: UV5IN62BOQMF7JL3 · pith_short_8: UV5IN62B

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/UV5IN62BOQMF7JL3OF3TKQK4F2 \
  | 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: a57a86fb4174185fa57b717735415c2e95f8ffdaeaabc7f6a1e206eba9085d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38afeb1da8eb6c711aedb4ee681131c45f0ca1a1a51b642a71950848d2cfc4b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-07T13:08:11Z",
    "title_canon_sha256": "46b88cfcd303be42a525b232e1aeaa3782cafdd3f2b7a0d00763389f0f96eda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.03126",
    "kind": "arxiv",
    "version": 4
  }
}