Pith Number

pith:33SQTDXR

pith:2023:33SQTDXRIK4P7TMNH56EAF7HMC

not attested not anchored not stored refs pending

Finding Similar Exercises in Retrieval Manner

Chao Yi, Tongwen Huang, Xihua Li, Xuemin Zhao, Yunbo Cao

arxiv:2303.11163 v1 · 2023-03-15 · cs.IR · cs.AI · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33SQTDXRIK4P7TMNH56EAF7HMC}

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	2026-07-05T05:52:40.930994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee5098ef142b8ffcd8d3f7c4017e760b6a4169e35296651e971ee1aafd3ef47

Aliases

arxiv: 2303.11163 · arxiv_version: 2303.11163v1 · doi: 10.48550/arxiv.2303.11163 · pith_short_12: 33SQTDXRIK4P · pith_short_16: 33SQTDXRIK4P7TMN · pith_short_8: 33SQTDXR

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/33SQTDXRIK4P7TMNH56EAF7HMC \
  | 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: dee5098ef142b8ffcd8d3f7c4017e760b6a4169e35296651e971ee1aafd3ef47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "767ffec7084f287b97b692ef4349cf9cf25a6c8b74d37d36563009f4d9d414bd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-03-15T01:40:32Z",
    "title_canon_sha256": "4355660635a6dbdfbd9ef4cc65f95cb250efd7316d439d1d8a15f7552025efb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.11163",
    "kind": "arxiv",
    "version": 1
  }
}