Pith Number

pith:TASHTHQK

pith:2021:TASHTHQKNRM4XY5SZOU2KV2MYV

not attested not anchored not stored refs pending

Exploiting Reasoning Chains for Multi-hop Science Question Answering

Deng Cai, Huihui Zhang, Wai Lam, Weiwen Xu, Yang Deng

arxiv:2109.02905 v1 · 2021-09-07 · 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{TASHTHQKNRM4XY5SZOU2KV2MYV}

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	2026-07-05T03:12:21.329404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9824799e0a6c59cbe3b2cba9a5574cc5777a11126d7b26aed6ed5bbc24948e58

Aliases

arxiv: 2109.02905 · arxiv_version: 2109.02905v1 · doi: 10.48550/arxiv.2109.02905 · pith_short_12: TASHTHQKNRM4 · pith_short_16: TASHTHQKNRM4XY5S · pith_short_8: TASHTHQK

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/TASHTHQKNRM4XY5SZOU2KV2MYV \
  | 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: 9824799e0a6c59cbe3b2cba9a5574cc5777a11126d7b26aed6ed5bbc24948e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a5585dc5e9d5d61a8729cc76dbc964410d3c24280f26f0b569b4c41dd9a237",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-07T07:22:07Z",
    "title_canon_sha256": "e24f70a38371fbd7b58c734a99e8d4cef4fa4d6a6cf57620c6e5907799e76ffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02905",
    "kind": "arxiv",
    "version": 1
  }
}