Pith Number

pith:GJ2YKPXL

pith:2025:GJ2YKPXL5ZVR5TBDWSNLUDOO5Y

not attested not anchored not stored refs pending

K-VARK: Kernelized Variance-Aware Residual Kalman Filter for Sensorless Force Estimation in Collaborative Robots

Fares J. Abu-Dakka, Naseem Alhousani, O\u{g}uzhan Akb{\i}y{\i}k

arxiv:2512.13009 v2 · 2025-12-15 · 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{GJ2YKPXL5ZVR5TBDWSNLUDOO5Y}

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	2026-06-19T16:09:53.098653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3275853eebee6b1ecc23b49aba0dceee1c08e51d20a1ff83329b31095d742c2f

Aliases

arxiv: 2512.13009 · arxiv_version: 2512.13009v2 · doi: 10.48550/arxiv.2512.13009 · pith_short_12: GJ2YKPXL5ZVR · pith_short_16: GJ2YKPXL5ZVR5TBD · pith_short_8: GJ2YKPXL

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/GJ2YKPXL5ZVR5TBDWSNLUDOO5Y \
  | 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: 3275853eebee6b1ecc23b49aba0dceee1c08e51d20a1ff83329b31095d742c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6681b6b21848b2a7b668b0b4dcf0e49c969f11f09b61c64a05dac02cb48265c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-12-15T06:11:14Z",
    "title_canon_sha256": "8724f23ff396d1677d912f8a8b3bec3cca47209a7d3a8d6a7f0490fd1f7394d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13009",
    "kind": "arxiv",
    "version": 2
  }
}