Pith Number

pith:KN35JDUW

pith:2026:KN35JDUW2IRSRL7S5D7QD2YUDT

not attested not anchored not stored refs pending

SubtleMemory: A Benchmark for Fine-Grained Relational Memory Discrimination in Long-Horizon AI Agents

Fukuan Hou, Haoyu Sun, Mingyang Song, Weinan Zhang, Wenxuan Wang, Yang Yang, Yu Cheng

arxiv:2606.05761 v1 · 2026-06-04 · cs.AI · 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{KN35JDUW2IRSRL7S5D7QD2YUDT}

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	2026-06-05T01:15:02.213718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5377d48e96d22328aff2e8ff01eb141ce5ba609e49aa75872e23223bf6b6da24

Aliases

arxiv: 2606.05761 · arxiv_version: 2606.05761v1 · doi: 10.48550/arxiv.2606.05761 · pith_short_12: KN35JDUW2IRS · pith_short_16: KN35JDUW2IRSRL7S · pith_short_8: KN35JDUW

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/KN35JDUW2IRSRL7S5D7QD2YUDT \
  | 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: 5377d48e96d22328aff2e8ff01eb141ce5ba609e49aa75872e23223bf6b6da24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86651251f8d556272b46bce5a558f62505fc3c12dc7008084b596ad6f68fce1f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-04T06:43:11Z",
    "title_canon_sha256": "a898b4b745d0ac3145863f916f5b21dcbef0528b9afaefc94cba9738d0697404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05761",
    "kind": "arxiv",
    "version": 1
  }
}