Pith Number

pith:KZJS3I52

pith:2018:KZJS3I52Q77EJ2EVLLA6PCDOFM

not attested not anchored not stored refs pending

Weakly-Supervised Hierarchical Text Classification

Chao Zhang, Jiaming Shen, Jiawei Han, Yu Meng

arxiv:1812.11270 v1 · 2018-12-29 · cs.CL · 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{KZJS3I52Q77EJ2EVLLA6PCDOFM}

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	2026-05-17T23:57:12.374944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56532da3ba87fe44e8955ac1e7886e2b28edde0cb8a49164d3069ea16e11d60e

Aliases

arxiv: 1812.11270 · arxiv_version: 1812.11270v1 · doi: 10.48550/arxiv.1812.11270 · pith_short_12: KZJS3I52Q77E · pith_short_16: KZJS3I52Q77EJ2EV · pith_short_8: KZJS3I52

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/KZJS3I52Q77EJ2EVLLA6PCDOFM \
  | 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: 56532da3ba87fe44e8955ac1e7886e2b28edde0cb8a49164d3069ea16e11d60e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdd453f0fb81c1f0a6ad47e0f8856274c8e32aa05e63bf22131fc10f85022c1c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-12-29T03:04:26Z",
    "title_canon_sha256": "f59fb9cdfac473a4a2b3e38001d723c2b817b079b18d083f76196061aaecb148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11270",
    "kind": "arxiv",
    "version": 1
  }
}