Pith Number

pith:ZARLXSQF

pith:2019:ZARLXSQF2BVNNYKWVHZFUQ44J3

not attested not anchored not stored refs pending

Topic Spotting using Hierarchical Networks with Self Attention

Ashutosh Modi, Mubbasir Kapadia, Pooja Chitkara, Pravalika Avvaru, Sepehr Janghorbani

arxiv:1904.02815 v1 · 2019-04-04 · 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{ZARLXSQF2BVNNYKWVHZFUQ44J3}

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	2026-05-17T23:49:19.561697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c822bbca05d06ad6e156a9f25a439c4ec7e1f6b226cace7363b767c0108ef448

Aliases

arxiv: 1904.02815 · arxiv_version: 1904.02815v1 · doi: 10.48550/arxiv.1904.02815 · pith_short_12: ZARLXSQF2BVN · pith_short_16: ZARLXSQF2BVNNYKW · pith_short_8: ZARLXSQF

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/ZARLXSQF2BVNNYKWVHZFUQ44J3 \
  | 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: c822bbca05d06ad6e156a9f25a439c4ec7e1f6b226cace7363b767c0108ef448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f417bcff16f9fa53c52d9c4f31cf4b668e3b69aa676c915195bff64e053c1ae7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-04T22:54:57Z",
    "title_canon_sha256": "6ed1cc6a186dab67fd6997c003b15196ab5406c9f02a33ce72f8e7da888b3aee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02815",
    "kind": "arxiv",
    "version": 1
  }
}