Pith Number

pith:GY4MX5U7

pith:2026:GY4MX5U72NFKDFBNXIWY456OPF

not attested not anchored not stored refs pending

Echo-Memory: A Controlled Study of Memory in Action World Models

Haoran Li, Haoyang Huang, Haoyu Wang, Jie Huang, Junhao Zhuang, Nan Duan, Shiyi Zhang, Sihan Xu, Songchun Zhang, Wayne King, Yaofeng Su, Yaowei Li, Yuming Li, Yuwei Niu, Yuxuan Bian, Zeyue Xue

arxiv:2606.09803 v1 · 2026-06-08 · cs.CV · cs.GR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GY4MX5U72NFKDFBNXIWY456OPF}

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	2026-06-09T02:09:10.799489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3638cbf69fd34aa1942dba2d8e77ce7966fbf1cd6408f1b3cca08e9c737694a0

Aliases

arxiv: 2606.09803 · arxiv_version: 2606.09803v1 · doi: 10.48550/arxiv.2606.09803 · pith_short_12: GY4MX5U72NFK · pith_short_16: GY4MX5U72NFKDFBN · pith_short_8: GY4MX5U7

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/GY4MX5U72NFKDFBNXIWY456OPF \
  | 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: 3638cbf69fd34aa1942dba2d8e77ce7966fbf1cd6408f1b3cca08e9c737694a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301d08c86d6a08d418246763318456a2c144b6547e44d299cb8c93389d54c3ee",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-08T17:54:10Z",
    "title_canon_sha256": "c078d0ada927fb11c46a6e395a2d9edfc09b39c710266a686b16d0c93210a453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09803",
    "kind": "arxiv",
    "version": 1
  }
}