Pith Number

pith:FBBDT7CG

pith:2026:FBBDT7CG5ULPSNM7SZUXU7XQ22

not attested not anchored not stored refs pending

MemDefrag: Latent Memory Defragmentation for Large Language Models

Ruiyi Yan, Yiwen Guo, Zhuoyuan Mao

arxiv:2607.05969 v1 · 2026-07-07 · 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{FBBDT7CG5ULPSNM7SZUXU7XQ22}

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	2026-07-08T01:18:52.005466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

284239fc46ed16f9359f96697a7ef0d6955db90833badc9bd5736a813c88f537

Aliases

arxiv: 2607.05969 · arxiv_version: 2607.05969v1 · doi: 10.48550/arxiv.2607.05969 · pith_short_12: FBBDT7CG5ULP · pith_short_16: FBBDT7CG5ULPSNM7 · pith_short_8: FBBDT7CG

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/FBBDT7CG5ULPSNM7SZUXU7XQ22 \
  | 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: 284239fc46ed16f9359f96697a7ef0d6955db90833badc9bd5736a813c88f537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63c5608bfad603148bfe6d8cdbf3c88917b56eec897505192c6af227eb11d767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-07T08:04:34Z",
    "title_canon_sha256": "2fc288745be37c36d14a458e6724b67acaabf41595f3e6e882bb5b5680a48baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05969",
    "kind": "arxiv",
    "version": 1
  }
}