Pith Number

pith:CN3EXQWY

pith:2020:CN3EXQWYEONKBZXPWHSIE4VGZQ

not attested not anchored not stored refs pending

Learning to Play Cup-and-Ball with Noisy Camera Observations

Akhil Shetty, Francesco Borrelli, Martin Sehr, Monimoy Bujarbaruah, Tony Zheng

arxiv:2007.09562 v1 · 2020-07-19 · cs.RO · cs.LG · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CN3EXQWYEONKBZXPWHSIE4VGZQ}

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	2026-07-05T01:20:26.389131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13764bc2d8239aa0e6efb1e48272a6cc06f3e52447aefe1ba4104e41e3be530f

Aliases

arxiv: 2007.09562 · arxiv_version: 2007.09562v1 · doi: 10.48550/arxiv.2007.09562 · pith_short_12: CN3EXQWYEONK · pith_short_16: CN3EXQWYEONKBZXP · pith_short_8: CN3EXQWY

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/CN3EXQWYEONKBZXPWHSIE4VGZQ \
  | 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: 13764bc2d8239aa0e6efb1e48272a6cc06f3e52447aefe1ba4104e41e3be530f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6467b6ff9e653511bcefad1a35dc68485ed868f2a6d6ecfcaa45c153000a558d",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2020-07-19T02:22:36Z",
    "title_canon_sha256": "7e0358b2ea8e457e0f175310a7b4ddf5f2f4855ce2ba999aa7b4bd1426d6936d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.09562",
    "kind": "arxiv",
    "version": 1
  }
}