Pith Number

pith:SHDKD7YV

pith:2026:SHDKD7YVW4BDLLKZR6HFQDLNFC

not attested not anchored not stored refs pending

Can VLMs Reason Robustly? A Neuro-Symbolic Investigation

Antonio Vergari, Han Zhao, Weixin Chen

arxiv:2603.23867 v2 · 2026-03-25 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHDKD7YVW4BDLLKZR6HFQDLNFC}

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	2026-07-01T00:17:11.002009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c6a1ff15b70235ad598f8e580d6d28a848ab2dc60d54f59d7116e4cad9344b

Aliases

arxiv: 2603.23867 · arxiv_version: 2603.23867v2 · doi: 10.48550/arxiv.2603.23867 · pith_short_12: SHDKD7YVW4BD · pith_short_16: SHDKD7YVW4BDLLKZ · pith_short_8: SHDKD7YV

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/SHDKD7YVW4BDLLKZR6HFQDLNFC \
  | 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: 91c6a1ff15b70235ad598f8e580d6d28a848ab2dc60d54f59d7116e4cad9344b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d926e81284a9f49eb3d4800e0ee44de37079126509c440d5782c60812d9fb07",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-25T02:48:42Z",
    "title_canon_sha256": "b2628bf817a4d96159bd7ba1fd12720f5db898860e211895b7fe04d955b8c34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23867",
    "kind": "arxiv",
    "version": 2
  }
}