Pith Number

pith:RO2D5R2P

pith:2019:RO2D5R2PPVROXO23HH33DA3HM5

not attested not anchored not stored refs pending

Learning Structured Twin-Incoherent Twin-Projective Latent Dictionary Pairs for Classification

Guangcan Liu, Meng Wang, Yang Wang, Yulin Sun, Zhao Zhang, Zheng Zhang

arxiv:1908.07878 v1 · 2019-08-21 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RO2D5R2PPVROXO23HH33DA3HM5}

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	2026-07-04T23:59:02.057229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb43ec74f7d62ebbb5b39f7b18367676437774d568e28047988fcc25c7eff7b

Aliases

arxiv: 1908.07878 · arxiv_version: 1908.07878v1 · doi: 10.48550/arxiv.1908.07878 · pith_short_12: RO2D5R2PPVRO · pith_short_16: RO2D5R2PPVROXO23 · pith_short_8: RO2D5R2P

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/RO2D5R2PPVROXO23HH33DA3HM5 \
  | 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: 8bb43ec74f7d62ebbb5b39f7b18367676437774d568e28047988fcc25c7eff7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c28f12cf11bfd6c3fcc2aca159204c05cdc4f93309396154bebb6681a6036e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-21T13:59:00Z",
    "title_canon_sha256": "52147f42c5826f29ef6b39b6eac70527dd7e296eb8b5ba94a22dddd69fbfedf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07878",
    "kind": "arxiv",
    "version": 1
  }
}