Pith Number

pith:2Z6UCPVS

pith:2026:2Z6UCPVSXLBIATCRDYUJ2ETOA3

not attested not anchored not stored refs pending

4DP-QA: Scalable QA for 4D Perception in Vision Language Models

Abhishek Badki, Hang Su, Jindong Jiang, Orazio Gallo, Seokju Cho, Seungryong Kim, Sifei Liu, Ziyao Zeng

arxiv:2606.11568 v1 · 2026-06-10 · 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{2Z6UCPVSXLBIATCRDYUJ2ETOA3}

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	2026-06-11T01:09:56.582478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d67d413eb2bac2804c511e289d126e06c209934be4d7d8befbc95ab77737cafa

Aliases

arxiv: 2606.11568 · arxiv_version: 2606.11568v1 · doi: 10.48550/arxiv.2606.11568 · pith_short_12: 2Z6UCPVSXLBI · pith_short_16: 2Z6UCPVSXLBIATCR · pith_short_8: 2Z6UCPVS

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/2Z6UCPVSXLBIATCRDYUJ2ETOA3 \
  | 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: d67d413eb2bac2804c511e289d126e06c209934be4d7d8befbc95ab77737cafa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2e0af1c434725c036edd0a25c63f7bf137f952977115ef4629ad95949a80718",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-10T01:49:55Z",
    "title_canon_sha256": "ff50ef8022965e69a7cba7a11939ebc166fefeefb424d8795f808f92f7434faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11568",
    "kind": "arxiv",
    "version": 1
  }
}