Pith Number

pith:EKVLDHLH

pith:2019:EKVLDHLHGDPUS7AD3R6TXWH5UN

not attested not anchored not stored refs pending

Unsupervised Deep Learning by Neighbourhood Discovery

Jiabo Huang, Qi Dong, Shaogang Gong, Xiatian Zhu

arxiv:1904.11567 v3 · 2019-04-25 · 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{EKVLDHLHGDPUS7AD3R6TXWH5UN}

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	2026-05-17T23:44:42.239271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22aab19d6730df497c03dc7d3bd8fda344b2a52c675dfb71994e48b45e4929c8

Aliases

arxiv: 1904.11567 · arxiv_version: 1904.11567v3 · doi: 10.48550/arxiv.1904.11567 · pith_short_12: EKVLDHLHGDPU · pith_short_16: EKVLDHLHGDPUS7AD · pith_short_8: EKVLDHLH

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/EKVLDHLHGDPUS7AD3R6TXWH5UN \
  | 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: 22aab19d6730df497c03dc7d3bd8fda344b2a52c675dfb71994e48b45e4929c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58183c076403d1ed32d8c1f740f178dbd647162739515c2914cdb9026fae8990",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-25T20:09:00Z",
    "title_canon_sha256": "aa7f4b034b6e6a91852bbc61a73e553b721381baa2adb6c0fabd152b06b566c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11567",
    "kind": "arxiv",
    "version": 3
  }
}