Pith Number

pith:PTIBHMZV

pith:2022:PTIBHMZV3DN4ZT7ECXZM7HJCFY

not attested not anchored not stored refs pending

A Survey on Table-and-Text HybridQA: Concepts, Methods, Challenges and Future Directions

Dingzirui Wang, Longxu Dou, Wanxiang Che

arxiv:2212.13465 v2 · 2022-12-27 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTIBHMZV3DN4ZT7ECXZM7HJCFY}

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	2026-07-05T05:38:10.579620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd013b335d8dbcccfe415f2cf9d222e2042cc51d68735a00f1319038a462c0b

Aliases

arxiv: 2212.13465 · arxiv_version: 2212.13465v2 · doi: 10.48550/arxiv.2212.13465 · pith_short_12: PTIBHMZV3DN4 · pith_short_16: PTIBHMZV3DN4ZT7E · pith_short_8: PTIBHMZV

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/PTIBHMZV3DN4ZT7ECXZM7HJCFY \
  | 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: 7cd013b335d8dbcccfe415f2cf9d222e2042cc51d68735a00f1319038a462c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81db03438facf17cf65675e46f81636f540fe0aa87631f017585912612885fa",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-12-27T12:34:57Z",
    "title_canon_sha256": "1dd966e1612d1b3f903dba19419b618a9cd3fbcc366aea0f46119ab340b319fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.13465",
    "kind": "arxiv",
    "version": 2
  }
}