Pith Number

pith:PZ2CJE4U

pith:2019:PZ2CJE4U3OHX6SK3EITYQNSCOF

not attested not anchored not stored refs pending

Simple yet Effective Bridge Reasoning for Open-Domain Multi-Hop Question Answering

Hong Wang, Mo Yu, Murray Campbell, Shiyu Chang, Wenhan Xiong, William Yang Wang, Xiaoxiao Guo

arxiv:1909.07597 v2 · 2019-09-17 · 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{PZ2CJE4U3OHX6SK3EITYQNSCOF}

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	2026-07-05T00:16:36.766158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e74249394db8f7f495b2227883642716a00a75c45d4cd6a162554b9596c7545

Aliases

arxiv: 1909.07597 · arxiv_version: 1909.07597v2 · doi: 10.48550/arxiv.1909.07597 · pith_short_12: PZ2CJE4U3OHX · pith_short_16: PZ2CJE4U3OHX6SK3 · pith_short_8: PZ2CJE4U

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/PZ2CJE4U3OHX6SK3EITYQNSCOF \
  | 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: 7e74249394db8f7f495b2227883642716a00a75c45d4cd6a162554b9596c7545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7925433015d4cd692998b65f337be2a9cef27a63043b8273550571f8b0f2715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-17T05:15:05Z",
    "title_canon_sha256": "8c86d7b3c6fe4d19741944beaf392773e73c017fef1510d037d763aa6707f4d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07597",
    "kind": "arxiv",
    "version": 2
  }
}