Pith Number

pith:ZTTHKDHO

pith:2020:ZTTHKDHO2HCSYGLY3JD4USX7C2

not attested not anchored not stored refs pending

Learning to Recover Reasoning Chains for Multi-Hop Question Answering via Cooperative Games

Junjie Huang, Michael Greenspan, Mo Yu, Murray Campbell, Shiyu Chang, Wenhan Xiong, Xiaodan Zhu, Xiaoxiao Guo, Yufei Feng

arxiv:2004.02393 v1 · 2020-04-06 · 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{ZTTHKDHO2HCSYGLY3JD4USX7C2}

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	2026-07-05T00:52:58.319979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cce6750ceed1c52c1978da47ca4aff16b7de61a5cd10290c5bbedeee6c65a940

Aliases

arxiv: 2004.02393 · arxiv_version: 2004.02393v1 · doi: 10.48550/arxiv.2004.02393 · pith_short_12: ZTTHKDHO2HCS · pith_short_16: ZTTHKDHO2HCSYGLY · pith_short_8: ZTTHKDHO

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/ZTTHKDHO2HCSYGLY3JD4USX7C2 \
  | 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: cce6750ceed1c52c1978da47ca4aff16b7de61a5cd10290c5bbedeee6c65a940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8776bbb3f2836db8ec75eca75f9fc377a0b87142db146f8958b231670a73ef3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-06T03:54:38Z",
    "title_canon_sha256": "858509337fae904c4600010b3f043a5c22d4ebbc90ba20f5ee8c2d8046237272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02393",
    "kind": "arxiv",
    "version": 1
  }
}