Pith Number

pith:KOKWEBBJ

pith:2026:KOKWEBBJRW6FJTWZQGTYZWX3EC

not attested not anchored not stored refs pending

From Simple QA to Deep Research: A Verifiable Benchmark Constructed through Iterative Task Evolution

Can Wang, Hao Ding, Haoran Chen, Haowen Gao, Zhaoyang Liu, Zhiying Tu

arxiv:2608.02163 v1 · 2026-08-03 · 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{KOKWEBBJRW6FJTWZQGTYZWX3EC}

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	2026-08-04T02:11:08.480453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53956204298dbc54ced981a78cdafb2099d1802bec95d44d56b6f7304a90a96d

Aliases

arxiv: 2608.02163 · arxiv_version: 2608.02163v1 · doi: 10.48550/arxiv.2608.02163 · pith_short_12: KOKWEBBJRW6F · pith_short_16: KOKWEBBJRW6FJTWZ · pith_short_8: KOKWEBBJ

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/KOKWEBBJRW6FJTWZQGTYZWX3EC \
  | 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: 53956204298dbc54ced981a78cdafb2099d1802bec95d44d56b6f7304a90a96d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a10371a4f47b6c83e29a582f670639185f3933790e73f1c74cb0afe2821d668",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-03T12:43:00Z",
    "title_canon_sha256": "61d466423dbbf5910d3cb6fb3861e6e48c39723ce10665a188676e5c9d9e6277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02163",
    "kind": "arxiv",
    "version": 1
  }
}