Pith Number

pith:A22LQ7MM

pith:2026:A22LQ7MMJ55YCL4SCDH7WGU6LE

not attested not anchored not stored refs pending

Polymander II: an amphibious salamander-inspired robot with contact and flow sensors

Andrea Grillo, Auke J. Ijspeert, Jonathan Arreguit, Josie Hughes, Louis Gevers, Qiyuan Fu, Sudong Lee

arxiv:2605.24465 v1 · 2026-05-23 · 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{A22LQ7MMJ55YCL4SCDH7WGU6LE}

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	2026-05-26T01:03:41.228260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b4b87d8c4f7b812f9210cffb1a9e591d841a9b06293dcac99e94c4ab09ab69

Aliases

arxiv: 2605.24465 · arxiv_version: 2605.24465v1 · doi: 10.48550/arxiv.2605.24465 · pith_short_12: A22LQ7MMJ55Y · pith_short_16: A22LQ7MMJ55YCL4S · pith_short_8: A22LQ7MM

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/A22LQ7MMJ55YCL4SCDH7WGU6LE \
  | 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: 06b4b87d8c4f7b812f9210cffb1a9e591d841a9b06293dcac99e94c4ab09ab69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f2aab20259a8d89738c124e6eb3cd94f77cfa48cbcb5747eaccaca4cf1c417",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-23T08:30:47Z",
    "title_canon_sha256": "881ddd6005f7aba8a51013f46b45915296aba5271efabf6550628ffa1c12f244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24465",
    "kind": "arxiv",
    "version": 1
  }
}