Pith Number

pith:W67DUP7R

pith:2020:W67DUP7R24KHWWOLZDP7BAR2EZ

not attested not anchored not stored refs pending

SeMemNN: A Semantic Matrix-Based Memory Neural Network for Text Classification

Carlos Toshinori Ishi, Changzeng Fu, Chaoran Liu, Hiroshi Ishiguro, Yuichiro Yoshikawa

arxiv:2003.01857 v1 · 2020-03-04 · cs.CL · 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{W67DUP7R24KHWWOLZDP7BAR2EZ}

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	2026-07-05T00:45:45.310745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7be3a3ff1d7147b59cbc8dff0823a267cd92781269e51a788954ebe92f0f5fc

Aliases

arxiv: 2003.01857 · arxiv_version: 2003.01857v1 · doi: 10.48550/arxiv.2003.01857 · pith_short_12: W67DUP7R24KH · pith_short_16: W67DUP7R24KHWWOL · pith_short_8: W67DUP7R

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/W67DUP7R24KHWWOLZDP7BAR2EZ \
  | 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: b7be3a3ff1d7147b59cbc8dff0823a267cd92781269e51a788954ebe92f0f5fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60a0b083081564da247d75e8b2d045a8db9201f3c200e2a3551c6ab04d777b8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-03-04T02:00:57Z",
    "title_canon_sha256": "9d7aa24e39ce51cf8eec91b1af82bd1a048c202f1ab070820a678aaaea651f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01857",
    "kind": "arxiv",
    "version": 1
  }
}