Pith Number

pith:AI5CZNJL

pith:2026:AI5CZNJLTNC2BVDEV2V437VNPL

not attested not anchored not stored refs pending

PersonaTree: Structured Lifecycle Memory for Person Understanding in LLM Agents

Bang Xiao, Hongbo Zhang, Jingwei Song, Tao Wan, Yubo Hou, Zengchang Qin, Zhisheng Chen

arxiv:2606.04780 v1 · 2026-06-03 · 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{AI5CZNJLTNC2BVDEV2V437VNPL}

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	2026-06-04T01:09:29.716941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

023a2cb52b9b45a0d464aeabcdfead7aca3958e335ee74aa37d13ad3e7e2ca84

Aliases

arxiv: 2606.04780 · arxiv_version: 2606.04780v1 · doi: 10.48550/arxiv.2606.04780 · pith_short_12: AI5CZNJLTNC2 · pith_short_16: AI5CZNJLTNC2BVDE · pith_short_8: AI5CZNJL

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/AI5CZNJLTNC2BVDEV2V437VNPL \
  | 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: 023a2cb52b9b45a0d464aeabcdfead7aca3958e335ee74aa37d13ad3e7e2ca84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829940c381e90a7e916eca43d640458c32c1101b3506f78c7929eee07e3d86da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-03T12:02:19Z",
    "title_canon_sha256": "0f0492810dba09f77fba297e4d89089e34548c7596fcd3de5e9fbabfb6bd2ad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04780",
    "kind": "arxiv",
    "version": 1
  }
}