Pith Number

pith:KCAPEYWK

pith:2021:KCAPEYWKHRIZCHRXJN5J3IXDSB

not attested not anchored not stored refs pending

Towards Discriminative Representation Learning for Unsupervised Person Re-identification

Dong Li, Lu Tian, Shengjin Wang, Takashi Isobe, Weihua Chen, Yi Shan

arxiv:2108.03439 v2 · 2021-08-07 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCAPEYWKHRIZCHRXJN5J3IXDSB}

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	2026-07-05T03:05:53.025932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5080f262ca3c51911e374b7a9da2e3904620937d04a771d5e72936e37eca3e70

Aliases

arxiv: 2108.03439 · arxiv_version: 2108.03439v2 · doi: 10.48550/arxiv.2108.03439 · pith_short_12: KCAPEYWKHRIZ · pith_short_16: KCAPEYWKHRIZCHRX · pith_short_8: KCAPEYWK

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/KCAPEYWKHRIZCHRXJN5J3IXDSB \
  | 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: 5080f262ca3c51911e374b7a9da2e3904620937d04a771d5e72936e37eca3e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89805b4d8e7d4162ec951edf4453608306394373f601ec4e69eb8400fe2644ee",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-07T12:35:21Z",
    "title_canon_sha256": "ae6313f6ee84a80b8df8916813ec1edd37bf4256fdb2577774ebcb07dd874438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03439",
    "kind": "arxiv",
    "version": 2
  }
}