Pith Number

pith:PEXAHWWU

pith:2017:PEXAHWWUKM425KMQDENZS55YQL

not attested not anchored not stored refs pending

Classifying Documents within Multiple Hierarchical Datasets using Multi-Task Learning

Anveshi Charuvaka, Azad Naik, Huzefa Rangwala

arxiv:1706.01583 v1 · 2017-06-06 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEXAHWWUKM425KMQDENZS55YQL}

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	2026-05-18T00:42:56.602328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792e03dad45339aea990191b9977b882f3db57d1e101af80126cd4b10d35260f

Aliases

arxiv: 1706.01583 · arxiv_version: 1706.01583v1 · doi: 10.48550/arxiv.1706.01583 · pith_short_12: PEXAHWWUKM42 · pith_short_16: PEXAHWWUKM425KMQ · pith_short_8: PEXAHWWU

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/PEXAHWWUKM425KMQDENZS55YQL \
  | 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: 792e03dad45339aea990191b9977b882f3db57d1e101af80126cd4b10d35260f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19f7ab3850e217b61b3efb14fc4ea320ca74899501cf94614c77d4905cf43b0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-06-06T02:17:40Z",
    "title_canon_sha256": "f8df077ce3de0bb14701a200496509861853fd9f7b2faddd2cf11ebd7d1b588e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01583",
    "kind": "arxiv",
    "version": 1
  }
}