Pith Number

pith:PYLWXLGR

pith:2026:PYLWXLGRJC44LGNGJ4SIF3BCOP

not attested not anchored not stored refs pending

HAFI-VLM: A Frequency Perspective for Diagnosing and Enhancing Visual Perception in Vision-Language Models

Boran Zhao, Chuanchang Su, Jiayi Lu, Jin Cui, Pengju Ren, Xinyue Long

arxiv:2608.02124 v1 · 2026-08-03 · cs.CV · 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{PYLWXLGRJC44LGNGJ4SIF3BCOP}

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	2026-08-04T02:11:03.657954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e176bacd148b9c599a64f2482ec2273d80331e453d15724bcb5f5c6502397e8

Aliases

arxiv: 2608.02124 · arxiv_version: 2608.02124v1 · doi: 10.48550/arxiv.2608.02124 · pith_short_12: PYLWXLGRJC44 · pith_short_16: PYLWXLGRJC44LGNG · pith_short_8: PYLWXLGR

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/PYLWXLGRJC44LGNGJ4SIF3BCOP \
  | 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: 7e176bacd148b9c599a64f2482ec2273d80331e453d15724bcb5f5c6502397e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f68aeb288307df8fa36e4c2586528c549a8d65d00cd514d67e896adad2db28c",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-03T12:15:33Z",
    "title_canon_sha256": "d41769abedb5e8e8879bc98acaf5f226a72391524b86f3f4240c60ebf5dd2841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02124",
    "kind": "arxiv",
    "version": 1
  }
}