Pith Number

pith:UWBIW7O7

pith:2019:UWBIW7O7NH5QRAAXJELKCCPLBT

not attested not anchored not stored refs pending

Ensemble approach for natural language question answering problem

Anna Aniol, Marcin Pietron

arxiv:1908.09720 v2 · 2019-08-26 · 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{UWBIW7O7NH5QRAAXJELKCCPLBT}

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	2026-07-05T00:00:16.423379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5828b7ddf69fb0880174916a109eb0cd783b45195f3852c3686f75caaf78edb

Aliases

arxiv: 1908.09720 · arxiv_version: 1908.09720v2 · doi: 10.48550/arxiv.1908.09720 · pith_short_12: UWBIW7O7NH5Q · pith_short_16: UWBIW7O7NH5QRAAX · pith_short_8: UWBIW7O7

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/UWBIW7O7NH5QRAAXJELKCCPLBT \
  | 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: a5828b7ddf69fb0880174916a109eb0cd783b45195f3852c3686f75caaf78edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d769733e6489d4abec388ab6fe7e0c49398f10558f59e9e4e05bdd843ca24fdd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-26T15:01:24Z",
    "title_canon_sha256": "45ab5118dfefcd960f77aced554af5c5ad5f2bc1939bdd0b4e2449de3a08155b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09720",
    "kind": "arxiv",
    "version": 2
  }
}