Pith Number

pith:AGO7VQFL

pith:2019:AGO7VQFLHFNBPEOTVTOT2C5BEU

not attested not anchored not stored refs pending

Bidirectional Attentive Memory Networks for Question Answering over Knowledge Bases

Lingfei Wu, Mohammed J. Zaki, Yu Chen

arxiv:1903.02188 v3 · 2019-03-06 · 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{AGO7VQFLHFNBPEOTVTOT2C5BEU}

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	2026-05-17T23:44:49.462403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

019dfac0ab395a1791d3acdd3d0ba12530faf185bfa690453ecb29c35ee5ea46

Aliases

arxiv: 1903.02188 · arxiv_version: 1903.02188v3 · doi: 10.48550/arxiv.1903.02188 · pith_short_12: AGO7VQFLHFNB · pith_short_16: AGO7VQFLHFNBPEOT · pith_short_8: AGO7VQFL

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/AGO7VQFLHFNBPEOTVTOT2C5BEU \
  | 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: 019dfac0ab395a1791d3acdd3d0ba12530faf185bfa690453ecb29c35ee5ea46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22aabddbe2e954f3696fd01f2b09489386f3e32c9a490f99c311d024325a0ba5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-06T06:09:02Z",
    "title_canon_sha256": "5e89ed8d77e6218da4b450e4b63e7b48152968116712d5a83c7336cb36ee8c1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02188",
    "kind": "arxiv",
    "version": 3
  }
}