Pith Number

pith:2YQDUBY6

pith:2018:2YQDUBY6PKIXHZDO2QAOBGIS67

not attested not anchored not stored refs pending

Class2Str: End to End Latent Hierarchy Learning

C.V.Jawahar, Girish Varma, Soham Saha

arxiv:1808.06675 v1 · 2018-08-20 · cs.CV · cs.AI · 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{2YQDUBY6PKIXHZDO2QAOBGIS67}

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	2026-05-18T00:07:39.452572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6203a071e7a9173e46ed400e09912f7e11db0046e2a1b29bf77b5ce25532d2e

Aliases

arxiv: 1808.06675 · arxiv_version: 1808.06675v1 · doi: 10.48550/arxiv.1808.06675 · pith_short_12: 2YQDUBY6PKIX · pith_short_16: 2YQDUBY6PKIXHZDO · pith_short_8: 2YQDUBY6

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/2YQDUBY6PKIXHZDO2QAOBGIS67 \
  | 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: d6203a071e7a9173e46ed400e09912f7e11db0046e2a1b29bf77b5ce25532d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09abf3f934f17c84abb9feffb214f6ebd1b2d3602e927b50df1e2b25406f0ae",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-20T19:58:35Z",
    "title_canon_sha256": "0b32b74c707cb32e03a650631953aed916d2c00961edf21b5083fde06033752b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06675",
    "kind": "arxiv",
    "version": 1
  }
}