Pith Number

pith:4W5TEPHA

pith:2026:4W5TEPHAKCTKYXORSFSZZ6PKMM

not attested not anchored not stored refs pending

HMARS: A Hierarchical Multi-Agent Memory System for Long-Context Reasoning

Qiang Xu, Yizhou Zhou, Zeju Li, Ziyang Zheng

arxiv:2606.28349 v1 · 2026-06-03 · cs.IR · 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{4W5TEPHAKCTKYXORSFSZZ6PKMM}

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	2026-06-30T00:15:11.638199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5bb323ce050a6ac5dd191659cf9ea6330b2a5622d79e95a7841806b88ea3c1e

Aliases

arxiv: 2606.28349 · arxiv_version: 2606.28349v1 · doi: 10.48550/arxiv.2606.28349 · pith_short_12: 4W5TEPHAKCTK · pith_short_16: 4W5TEPHAKCTKYXOR · pith_short_8: 4W5TEPHA

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/4W5TEPHAKCTKYXORSFSZZ6PKMM \
  | 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: e5bb323ce050a6ac5dd191659cf9ea6330b2a5622d79e95a7841806b88ea3c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f7c1a00bf53750e05ee24ba843b93b37fb24d54b281db93a78ed39b4c8c319",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-03T07:15:11Z",
    "title_canon_sha256": "bf4a761a03361860ebc5f53935038b2dba68ab98d49aa9be994b9389a617c433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28349",
    "kind": "arxiv",
    "version": 1
  }
}