Pith Number

pith:QE2SI5WF

pith:2026:QE2SI5WFKE3IZJG6E3BY4VKOUJ

not attested not anchored not stored refs pending

Demystifying When and Why VLAs Fail in Contact-Rich Tasks and How to Fix Them

Alberta Longhini, Carlota Par\'es-Morlans, Isabel Liu, Jeannette Bohg, Nils Kuhn

arxiv:2608.01402 v1 · 2026-08-02 · cs.RO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QE2SI5WFKE3IZJG6E3BY4VKOUJ}

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	2026-08-04T02:05:01.345078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81352476c551368ca4de26c38e554ea27c96873476ad9f5fc631edcb6d690746

Aliases

arxiv: 2608.01402 · arxiv_version: 2608.01402v1 · doi: 10.48550/arxiv.2608.01402 · pith_short_12: QE2SI5WFKE3I · pith_short_16: QE2SI5WFKE3IZJG6 · pith_short_8: QE2SI5WF

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/QE2SI5WFKE3IZJG6E3BY4VKOUJ \
  | 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: 81352476c551368ca4de26c38e554ea27c96873476ad9f5fc631edcb6d690746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff50c4aaa169662170290b2ac3a50df7d5667138593a553c9a8378de74dc995a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-08-02T17:34:19Z",
    "title_canon_sha256": "8615531cc00c8ce47f6f25b8307b7939497b66599f3d6703c5cb1796df20254b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01402",
    "kind": "arxiv",
    "version": 1
  }
}