Pith Number

pith:3JX7KDJR

pith:2026:3JX7KDJR4H7FJVE52KPJDS7BON

not attested not anchored not stored refs pending

VisNec: Measuring and Leveraging Visual Necessity for Multimodal Instruction Tuning

Bin Ren, Hongyi Cai, Jie Li, Kunyu Peng, Mingkang Dong, Sifan Zhou, Yuqian Fu

arxiv:2603.01195 v2 · 2026-03-01 · cs.CV · 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{3JX7KDJR4H7FJVE52KPJDS7BON}

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	2026-06-26T01:15:49.933705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da6ff50d31e1fe54d49dd29e91cbe1734b9553bf19a687d2a44b2fd1002347ae

Aliases

arxiv: 2603.01195 · arxiv_version: 2603.01195v2 · doi: 10.48550/arxiv.2603.01195 · pith_short_12: 3JX7KDJR4H7F · pith_short_16: 3JX7KDJR4H7FJVE5 · pith_short_8: 3JX7KDJR

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/3JX7KDJR4H7FJVE52KPJDS7BON \
  | 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: da6ff50d31e1fe54d49dd29e91cbe1734b9553bf19a687d2a44b2fd1002347ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba73d05128ab4dd0c9c6dc59bb4e5af942988c4da7f7ffba1a1c867738d0f62",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-03-01T17:26:02Z",
    "title_canon_sha256": "1565d6a174fb684d5579ccd2b8a08bc1444e92f83973d88f71d810f9707d629b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.01195",
    "kind": "arxiv",
    "version": 2
  }
}