Pith Number

pith:LTQBMDJL

pith:2026:LTQBMDJLWMCGIGX2NJIOTS5BYY

not attested not anchored not stored refs pending

LMM-Track4D: Eliciting 4D Dynamic Reasoning in LMMs via Trajectory-Grounded Dialogue

Chaoyue Li, Jiayu Ding, Jie Feng, Yongxue Xu

arxiv:2605.19390 v1 · 2026-05-19 · 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{LTQBMDJLWMCGIGX2NJIOTS5BYY}

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	2026-05-20T01:05:43.319530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ce0160d2bb304641afa6a50e9cba1c605c01697ab1352a6e9d9e3e72ead3a72

Aliases

arxiv: 2605.19390 · arxiv_version: 2605.19390v1 · doi: 10.48550/arxiv.2605.19390 · pith_short_12: LTQBMDJLWMCG · pith_short_16: LTQBMDJLWMCGIGX2 · pith_short_8: LTQBMDJL

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/LTQBMDJLWMCGIGX2NJIOTS5BYY \
  | 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: 5ce0160d2bb304641afa6a50e9cba1c605c01697ab1352a6e9d9e3e72ead3a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "281dafd022f7fe0226878ec276661cabef37f243d1f390fec83ce3624ba4aaf8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-19T05:35:13Z",
    "title_canon_sha256": "2b25a1d3797c9c8cc1639dd74f469c2f7d29e518123f77231e8f00600493c041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19390",
    "kind": "arxiv",
    "version": 1
  }
}