Pith Number

pith:DDTKZPNW

pith:2018:DDTKZPNW7NN5LRKSDKU6QE4X3J

not attested not anchored not stored refs pending

Optimal Structure Synthesis for Environment Augmenting Robots

Colin McCloskey, Cynthia Sung, Mark Yim, Tarik Tosun

arxiv:1812.04190 v1 · 2018-12-11 · 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{DDTKZPNW7NN5LRKSDKU6QE4X3J}

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	2026-05-17T23:58:35.258288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e6acbdb6fb5bd5c5521aa9e81397da7582b7cf23d8439b4620aafa8fc78a06

Aliases

arxiv: 1812.04190 · arxiv_version: 1812.04190v1 · doi: 10.48550/arxiv.1812.04190 · pith_short_12: DDTKZPNW7NN5 · pith_short_16: DDTKZPNW7NN5LRKS · pith_short_8: DDTKZPNW

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/DDTKZPNW7NN5LRKSDKU6QE4X3J \
  | 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: 18e6acbdb6fb5bd5c5521aa9e81397da7582b7cf23d8439b4620aafa8fc78a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22bead07ec6ac568423bc3933caefe8c9257c44bce32446f784a7488237b33ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-12-11T02:29:47Z",
    "title_canon_sha256": "a01ecc65a6ac807833c12952fdbaf2db3a26b87c01ebba3f1900c874c963d441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04190",
    "kind": "arxiv",
    "version": 1
  }
}