Pith Number

pith:7N4SRAPH

pith:2026:7N4SRAPHW5CH7GCKIPOD55SJL2

not attested not anchored not stored refs pending

CompanionBench: A Theory-Anchored, Real-World-Grounded Benchmark for AI Emotional Companionship

Guangjia Chai, Jihao Huang, Junchen Wan, Lei Wang, Yao Liu, Yuming Huang

arxiv:2608.02046 v1 · 2026-08-03 · 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{7N4SRAPHW5CH7GCKIPOD55SJL2}

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	2026-08-04T02:10:44.143625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb792881e7b7447f984a43dc3ef6495e8aa412832aac15cf9e5bb710ac634417

Aliases

arxiv: 2608.02046 · arxiv_version: 2608.02046v1 · doi: 10.48550/arxiv.2608.02046 · pith_short_12: 7N4SRAPHW5CH · pith_short_16: 7N4SRAPHW5CH7GCK · pith_short_8: 7N4SRAPH

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/7N4SRAPHW5CH7GCKIPOD55SJL2 \
  | 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: fb792881e7b7447f984a43dc3ef6495e8aa412832aac15cf9e5bb710ac634417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "735d63628c238f74cf1822ba523ea08bc510958ee0cd2067243d3d00576c9fe2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-03T10:44:04Z",
    "title_canon_sha256": "1245c0b0a90e1c51efd62ac7aa9f1078c5c56000054ebce2c2d494d874fc064a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02046",
    "kind": "arxiv",
    "version": 1
  }
}