Pith Number

pith:BGSQ44TF

pith:2026:BGSQ44TFR3FW6XPQOWAZIMQ4OZ

not attested not anchored not stored refs pending

BoxTwin: Learning Elastoplastic Articulated Object Dynamics from Videos

Changxi Zheng, Gehan Zheng, Heng Zhang, Jay Song, Kaifeng Zhang, Peter Yichen Chen, Shivansh Patel, Sonny Hu, Yunzhu Li

arxiv:2607.17132 v1 · 2026-07-19 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGSQ44TFR3FW6XPQOWAZIMQ4OZ}

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	2026-07-21T01:21:17.331036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a50e72658ecb6f5df0758194321c7679dc3ec556b81786ead668538699b2c1

Aliases

arxiv: 2607.17132 · arxiv_version: 2607.17132v1 · doi: 10.48550/arxiv.2607.17132 · pith_short_12: BGSQ44TFR3FW · pith_short_16: BGSQ44TFR3FW6XPQ · pith_short_8: BGSQ44TF

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/BGSQ44TFR3FW6XPQOWAZIMQ4OZ \
  | 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: 09a50e72658ecb6f5df0758194321c7679dc3ec556b81786ead668538699b2c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fcba08c62d383d749c7e890fb6103bbed303632f4c2cfc986642ccbf8e8a401",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-19T08:37:40Z",
    "title_canon_sha256": "d1196117c5d8c4be86f431455d89994747178d35f595b95071498dfb42234f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17132",
    "kind": "arxiv",
    "version": 1
  }
}