Pith Number

pith:WQLKEVI6

pith:2025:WQLKEVI6OSEHBB6JLEPPZDCBES

not attested not anchored not stored refs pending

St4RTrack: Simultaneous 4D Reconstruction and Tracking in the World

Angjoo Kanazawa, Haiwen Feng, Junyi Zhang, Michael J. Black, Pengcheng Yu, Qianqian Wang, Trevor Darrell, Yufei Ye

arxiv:2504.13152 v1 · 2025-04-17 · 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{WQLKEVI6OSEHBB6JLEPPZDCBES}

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.

Cited by

3 papers in Pith

MolmoMotion: Forecasting Point Trajectories in 3D with Language Instruction

Densemarks: Learning Canonical Embeddings for Human Heads Images via Point Tracks

ViPE: Video Pose Engine for 3D Geometric Perception

Receipt and verification

First computed	2026-07-05T10:50:38.483095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b416a2551e74887087c9591efc8c41249fde504247adbbf313c7750f23102aea

Aliases

arxiv: 2504.13152 · arxiv_version: 2504.13152v1 · doi: 10.48550/arxiv.2504.13152 · pith_short_12: WQLKEVI6OSEH · pith_short_16: WQLKEVI6OSEHBB6J · pith_short_8: WQLKEVI6

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/WQLKEVI6OSEHBB6JLEPPZDCBES \
  | 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: b416a2551e74887087c9591efc8c41249fde504247adbbf313c7750f23102aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9d06d52001e7419ddfa9a53862d9e476c860a1db3fd1ddb642df6b8ad01878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-17T17:55:58Z",
    "title_canon_sha256": "b5d837a46dbf359b2ff9007cedf0f4e98f7ea28d6141d4d2b9a8ad36451e6ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13152",
    "kind": "arxiv",
    "version": 1
  }
}