Pith Number

pith:W6RDLLCE

pith:2025:W6RDLLCEGKMSHEUZJKX5C2BE6E

not attested not anchored not stored refs pending

Actuation mechanisms in twisted and coiled polymer actuators using finite element model

Gurmeet Singh, Qiong Wang, Sameh Tawfick, Samuel Tsai, Umesh Gandhi, Veera Sundararaghavan

arxiv:2501.02710 v1 · 2025-01-06 · physics.comp-ph · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6RDLLCEGKMSHEUZJKX5C2BE6E}

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	2026-07-05T09:57:10.968225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a235ac4432992392994aafd16824f13290a4d8d25467fde46ef5b2aea54549

Aliases

arxiv: 2501.02710 · arxiv_version: 2501.02710v1 · doi: 10.48550/arxiv.2501.02710 · pith_short_12: W6RDLLCEGKMS · pith_short_16: W6RDLLCEGKMSHEUZ · pith_short_8: W6RDLLCE

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/W6RDLLCEGKMSHEUZJKX5C2BE6E \
  | 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: b7a235ac4432992392994aafd16824f13290a4d8d25467fde46ef5b2aea54549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b0c7b116613d74a0ff4f8c251c1b6daed905264674a37f5e7d0a2378b5bd8c",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-01-06T01:50:44Z",
    "title_canon_sha256": "7eed9bb253c57a6b6086b7f5428653fd0087b5b7f78d4c5841f0984d120dd851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02710",
    "kind": "arxiv",
    "version": 1
  }
}