Pith Number

pith:6O3LU2QY

pith:2026:6O3LU2QYOCRRZK65FIMSUW2Q2H

not attested not anchored not stored refs pending

Knowledge Dependency Estimation for Reliable Question Answering

Chaodong Tong, Lei Jiang, Nannan Sun, Qi Zhang, Yanbing Liu

arxiv:2605.28047 v1 · 2026-05-27 · 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{6O3LU2QYOCRRZK65FIMSUW2Q2H}

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	2026-05-28T01:04:57.031625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3b6ba6a1870a31cabdd2a192a5b50d1dc728ecc1952fe2670ee78e8378945ee

Aliases

arxiv: 2605.28047 · arxiv_version: 2605.28047v1 · doi: 10.48550/arxiv.2605.28047 · pith_short_12: 6O3LU2QYOCRR · pith_short_16: 6O3LU2QYOCRRZK65 · pith_short_8: 6O3LU2QY

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/6O3LU2QYOCRRZK65FIMSUW2Q2H \
  | 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: f3b6ba6a1870a31cabdd2a192a5b50d1dc728ecc1952fe2670ee78e8378945ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093e276613322e54e0931afedab372b16112f50f8b56862693b36295cb6ce3e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T06:48:57Z",
    "title_canon_sha256": "e535eaa61ff70dc02178d9a252010aba4b48a3e3add14d28de18743bf27798c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28047",
    "kind": "arxiv",
    "version": 1
  }
}