Pith Number

pith:N56CT3Y3

pith:2026:N56CT3Y3F3CQB4AKGIRHXPLJGN

not attested not anchored not stored refs pending

SimTO: A two-stage, simulation-driven topology optimization framework for bespoke soft robotic grippers

David Howard, Josh Pinskier, Kurt Enkera, Marcus Gallagher

arxiv:2601.19098 v2 · 2026-01-27 · 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{N56CT3Y3F3CQB4AKGIRHXPLJGN}

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	2026-06-19T16:09:54.051731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7c29ef1b2ec500f00a32227bbd6933490ca78da49ecb364b29a3e46723ecce

Aliases

arxiv: 2601.19098 · arxiv_version: 2601.19098v2 · doi: 10.48550/arxiv.2601.19098 · pith_short_12: N56CT3Y3F3CQ · pith_short_16: N56CT3Y3F3CQB4AK · pith_short_8: N56CT3Y3

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/N56CT3Y3F3CQB4AKGIRHXPLJGN \
  | 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: 6f7c29ef1b2ec500f00a32227bbd6933490ca78da49ecb364b29a3e46723ecce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a2d334da0013ebee6fefe7f21dc2003573c25f5e44f79d893e4bafc2829277",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-01-27T02:01:16Z",
    "title_canon_sha256": "c207b867a0c147791137fba9a9d8e32aa5c8ba1cc28433c97f2e7785d9efbf04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19098",
    "kind": "arxiv",
    "version": 2
  }
}