Pith Number

pith:LZAAQ55F

pith:2015:LZAAQ55FPLXOPINWLHW3JB6ZYW

not attested not anchored not stored refs pending

Probabilistic Cascading for Large Scale Hierarchical Classification

Aris Kosmopoulos, Georgios Paliouras, Ion Androutsopoulos

arxiv:1505.02251 v1 · 2015-05-09 · cs.LG · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZAAQ55FPLXOPINWLHW3JB6ZYW}

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	2026-05-18T02:16:19.445627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e400877a57aeee7a1b659edb487d9c581d9966cd4635530d698f181f554df9d

Aliases

arxiv: 1505.02251 · arxiv_version: 1505.02251v1 · doi: 10.48550/arxiv.1505.02251 · pith_short_12: LZAAQ55FPLXO · pith_short_16: LZAAQ55FPLXOPINW · pith_short_8: LZAAQ55F

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/LZAAQ55FPLXOPINWLHW3JB6ZYW \
  | 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: 5e400877a57aeee7a1b659edb487d9c581d9966cd4635530d698f181f554df9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4d8dad03c524fcbc2d936e0ea6368025bb93a9572ba21f006ac9d685d6a2e9",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-05-09T09:39:04Z",
    "title_canon_sha256": "af3c760491377962869fe9a3c103424d3ae8a46b666e65546f2e26ca07abdf7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02251",
    "kind": "arxiv",
    "version": 1
  }
}