Pith Number

pith:T52OURKD

pith:2026:T52OURKDN6NYUTVRAZQJ6QHUU6

not attested not anchored not stored refs pending

3PoinTr: 3D Point Tracks for Learning Manipulation from Unconstrained Human Videos

Adam Hung, Bardienus Pieter Duisterhof, Jeffrey Ichnowski

arxiv:2603.08485 v2 · 2026-03-09 · 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{T52OURKDN6NYUTVRAZQJ6QHUU6}

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

1 paper in Pith

Point Tracking Improves World Action Models

Receipt and verification

First computed	2026-06-04T01:08:47.663079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f74ea45436f9b8a4eb106609f40f4a7b9a9e6b913e7824bec5300c1b25cfa47

Aliases

arxiv: 2603.08485 · arxiv_version: 2603.08485v2 · doi: 10.48550/arxiv.2603.08485 · pith_short_12: T52OURKDN6NY · pith_short_16: T52OURKDN6NYUTVR · pith_short_8: T52OURKD

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/T52OURKDN6NYUTVRAZQJ6QHUU6 \
  | 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: 9f74ea45436f9b8a4eb106609f40f4a7b9a9e6b913e7824bec5300c1b25cfa47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1167196c564a9335792f8d7d759f9ce8091e2585fbfbd7974e03e9eb7ef7946f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-03-09T15:20:26Z",
    "title_canon_sha256": "7b14bb809411590456fe0c868fb5e5b7c5799a0252c3d7ce44a5d6bb2a6fd71b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.08485",
    "kind": "arxiv",
    "version": 2
  }
}