Pith Number

pith:P2EZV3TO

pith:2016:P2EZV3TOZON5MSIAD4SPQATOZS

not attested not anchored not stored refs pending

Text Classification Improved by Integrating Bidirectional LSTM with Two-dimensional Max Pooling

Bo Xu, Hongyun Bao, Jiaming Xu, Peng Zhou, Suncong Zheng, Zhenyu Qi

arxiv:1611.06639 v1 · 2016-11-21 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2EZV3TOZON5MSIAD4SPQATOZS}

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	2026-05-18T00:57:33.305406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e899aee6ecb9bd649001f24f8026eccad0be3fc2d1dfc0ada1a4530c14381c2

Aliases

arxiv: 1611.06639 · arxiv_version: 1611.06639v1 · doi: 10.48550/arxiv.1611.06639 · pith_short_12: P2EZV3TOZON5 · pith_short_16: P2EZV3TOZON5MSIA · pith_short_8: P2EZV3TO

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/P2EZV3TOZON5MSIAD4SPQATOZS \
  | 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: 7e899aee6ecb9bd649001f24f8026eccad0be3fc2d1dfc0ada1a4530c14381c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d3493965af10de6642c808c9ac631d002b268341cd496a174c60d16bf76a16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-11-21T03:26:29Z",
    "title_canon_sha256": "a7cefdb22c8474a7c886364b54f834d92dd94b239084074a3f4e967944472e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06639",
    "kind": "arxiv",
    "version": 1
  }
}