Pith Number

pith:WAGFGJOO

pith:2026:WAGFGJOOVKJOABSLJB7GL5DCGC

not attested not anchored not stored refs pending

When Memory Lies: An Empirical Study of Spatial Memory Staleness in VLM Agents

Yanjie Zhang, Yushi Sun

arxiv:2608.04574 v1 · 2026-08-05 · 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{WAGFGJOOVKJOABSLJB7GL5DCGC}

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	2026-08-06T01:35:59.435547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00c5325ceaa92e0064b487e65f46230b2a10a3387cc39c9c7da21afa6d4ab0e

Aliases

arxiv: 2608.04574 · arxiv_version: 2608.04574v1 · doi: 10.48550/arxiv.2608.04574 · pith_short_12: WAGFGJOOVKJO · pith_short_16: WAGFGJOOVKJOABSL · pith_short_8: WAGFGJOO

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/WAGFGJOOVKJOABSLJB7GL5DCGC \
  | 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: b00c5325ceaa92e0064b487e65f46230b2a10a3387cc39c9c7da21afa6d4ab0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7303d0c52a4b42583925483ab872b3daa1d552045b6720ed5d94eaf5b0afe9ce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-05T08:04:26Z",
    "title_canon_sha256": "ecc159fdc9466c22ff699cfca91081226d7d8cde051108f85e1b0a89a5ba861e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04574",
    "kind": "arxiv",
    "version": 1
  }
}