Pith Number

pith:32QEAW3A

pith:2019:32QEAW3AWFEYRIUQ5OVOW3VSM3

not attested not anchored not stored refs pending

Automated shapeshifting for function recovery in damaged robots

Dylan Shah, Josh Bongard, Michael Levin, Rebecca Kramer-Bottiglio, Sam Kriegman, Stephanie Walker

arxiv:1905.09264 v1 · 2019-05-22 · cs.RO · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32QEAW3AWFEYRIUQ5OVOW3VSM3}

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	2026-05-17T23:39:53.777714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea0405b60b14988a290ebaaeb6eb266de5e02f007a9660cc6e73d0d0f470525

Aliases

arxiv: 1905.09264 · arxiv_version: 1905.09264v1 · doi: 10.48550/arxiv.1905.09264 · pith_short_12: 32QEAW3AWFEY · pith_short_16: 32QEAW3AWFEYRIUQ · pith_short_8: 32QEAW3A

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/32QEAW3AWFEYRIUQ5OVOW3VSM3 \
  | 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: dea0405b60b14988a290ebaaeb6eb266de5e02f007a9660cc6e73d0d0f470525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256edc5de6f95ad32e140c25f91eb14d7dbc633e6b566686150fe394cfc1e70b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-05-22T17:50:40Z",
    "title_canon_sha256": "b904313a6adb6870da7b9b6e495b4528cb08483620f01b03fd1e482622021a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09264",
    "kind": "arxiv",
    "version": 1
  }
}