Pith Number

pith:UI76EBVU

pith:2019:UI76EBVUAZDDDM5MNFQHPVQCFU

not attested not anchored not stored refs pending

Learning Representation Mapping for Relation Detection in Knowledge Base Question Answering

Jiajun Chen, Jianbing Zhang, Peng Wu, Rongxiang Weng, Shujian Huang, Xiaohui Yan, Zaixiang Zheng

arxiv:1907.07328 v1 · 2019-07-17 · 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{UI76EBVUAZDDDM5MNFQHPVQCFU}

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	2026-05-17T23:40:22.656363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23fe206b4064631b3ac696077d6022d35dd849fa464d46d20d3339d9614b758

Aliases

arxiv: 1907.07328 · arxiv_version: 1907.07328v1 · doi: 10.48550/arxiv.1907.07328 · pith_short_12: UI76EBVUAZDD · pith_short_16: UI76EBVUAZDDDM5M · pith_short_8: UI76EBVU

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/UI76EBVUAZDDDM5MNFQHPVQCFU \
  | 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: a23fe206b4064631b3ac696077d6022d35dd849fa464d46d20d3339d9614b758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eda19dc2ebe1fbdf872b309a953e829b8fb437cdeaa34cccb4d91ef86f19f92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-17T04:29:27Z",
    "title_canon_sha256": "1eff0d5cf2207ad51cb7582a1c8ecf42043376cbe2cd505a4067afac44f94fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07328",
    "kind": "arxiv",
    "version": 1
  }
}