Pith Number

pith:NUGKBWM4

pith:2019:NUGKBWM4MEOADZTXWNSY65XUBK

not attested not anchored not stored refs pending

Learning to Discover Novel Visual Categories via Deep Transfer Clustering

Andrea Vedaldi, Andrew Zisserman, Kai Han

arxiv:1908.09884 v1 · 2019-08-26 · 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{NUGKBWM4MEOADZTXWNSY65XUBK}

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	2026-07-04T23:59:51.504573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0ca0d99c611c01e677b3658f76f40aa8b06e418b046b7b32640623fcd4d8e5

Aliases

arxiv: 1908.09884 · arxiv_version: 1908.09884v1 · doi: 10.48550/arxiv.1908.09884 · pith_short_12: NUGKBWM4MEOA · pith_short_16: NUGKBWM4MEOADZTX · pith_short_8: NUGKBWM4

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/NUGKBWM4MEOADZTXWNSY65XUBK \
  | 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: 6d0ca0d99c611c01e677b3658f76f40aa8b06e418b046b7b32640623fcd4d8e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d391ca99e8e2d9ea0c39526f6ff311f02b3481cba76a4eceeddc8aa6bdfed36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-26T19:24:05Z",
    "title_canon_sha256": "9669d72ed205cc7e9b040a494bc31e4d03f84816f745d1960e9c62f431355d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09884",
    "kind": "arxiv",
    "version": 1
  }
}