Pith Number

pith:SDVJB5LA

pith:2026:SDVJB5LAQSE3TNSM6XBLDSL7NJ

not attested not anchored not stored refs pending

DR-Arena: an Automated Evaluation Framework for Deep Research Agents

Ruochen Zhao, Wenxuan Zhang, Yang Deng, Yiwen Gao

arxiv:2601.10504 v2 · 2026-01-15 · 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{SDVJB5LAQSE3TNSM6XBLDSL7NJ}

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	2026-07-10T01:18:57.439137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ea90f5608489b9b64cf5c2b1c97f6a40e1132ba96e8b7be9f6386bf2218502

Aliases

arxiv: 2601.10504 · arxiv_version: 2601.10504v2 · doi: 10.48550/arxiv.2601.10504 · pith_short_12: SDVJB5LAQSE3 · pith_short_16: SDVJB5LAQSE3TNSM · pith_short_8: SDVJB5LA

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/SDVJB5LAQSE3TNSM6XBLDSL7NJ \
  | 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: 90ea90f5608489b9b64cf5c2b1c97f6a40e1132ba96e8b7be9f6386bf2218502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbaac8bf5b2c4d912f46099696b00364e33fc32a0facad5f87b181f978df4179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-15T15:28:21Z",
    "title_canon_sha256": "3d979b6e5d362d05fa775d396840897d9e64cf49fa731b3320d7885a14b8bddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.10504",
    "kind": "arxiv",
    "version": 2
  }
}