Pith Number

pith:NWU3RB33

pith:2021:NWU3RB33LBDFRH4HFTLSPE3HEL

not attested not anchored not stored refs pending

Precision fruit tree pruning using a learned hybrid vision/interaction controller

Alexander You, Cindy Grimm, Hannah Kolano, Joseph R. Davidson, Nidhi Parayil

arxiv:2109.13162 v1 · 2021-09-27 · 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{NWU3RB33LBDFRH4HFTLSPE3HEL}

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	2026-07-05T03:17:42.144845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6da9b8877b5846589f872cd727936722e820e4fd166ff187c1694b207be53f3c

Aliases

arxiv: 2109.13162 · arxiv_version: 2109.13162v1 · doi: 10.48550/arxiv.2109.13162 · pith_short_12: NWU3RB33LBDF · pith_short_16: NWU3RB33LBDFRH4H · pith_short_8: NWU3RB33

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/NWU3RB33LBDFRH4HFTLSPE3HEL \
  | 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: 6da9b8877b5846589f872cd727936722e820e4fd166ff187c1694b207be53f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16c9e26fa2c56a44b1a51f66828a00c7875562d2c720163d47b4aaedda09aacc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-09-27T16:21:46Z",
    "title_canon_sha256": "1b639c3e3dd5c7304e86f21803f418bdfdc7bdf2ee0261d830c116ae243ee42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13162",
    "kind": "arxiv",
    "version": 1
  }
}