Pith Number

pith:FIBXDPLL

pith:2026:FIBXDPLLWYYA7SODYDDTAETI3I

not attested not anchored not stored refs pending

H2HMem: A Multimodal Memory Benchmark for Agents in Human-Human Interactions

Dandan Guo, Ming-Hsuan Yang, Shiping Zhu, Tiancheng Shen, Yibo Yang, Zhengyang Wang

arxiv:2606.09461 v1 · 2026-06-08 · 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{FIBXDPLLWYYA7SODYDDTAETI3I}

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	2026-06-09T02:08:49.835511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a0371bd6bb6300fc9c3c0c7301268da01dae763130ca53c0f31dc23d1069182

Aliases

arxiv: 2606.09461 · arxiv_version: 2606.09461v1 · doi: 10.48550/arxiv.2606.09461 · pith_short_12: FIBXDPLLWYYA · pith_short_16: FIBXDPLLWYYA7SOD · pith_short_8: FIBXDPLL

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/FIBXDPLLWYYA7SODYDDTAETI3I \
  | 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: 2a0371bd6bb6300fc9c3c0c7301268da01dae763130ca53c0f31dc23d1069182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3207cb21f160b8bb291d99ff2d55f42b584f181705fe1ea9a383684af7dd53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-08T13:17:16Z",
    "title_canon_sha256": "edda837f6948a1d2b6103c5f7f6aa3cca9d7d8bd29fa2cbd1421b9a1372b13eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09461",
    "kind": "arxiv",
    "version": 1
  }
}