Pith Number

pith:WGJFU23H

pith:2019:WGJFU23HL7H6YS3FCHGLZGETSX

not attested not anchored not stored refs pending

Universal Reconfiguration of Facet-Connected Modular Robots by Pivots: The $O(1)$ Musketeers

Andr\'e van Renssen, Bel\'en Palop, Erik D. Demaine, Esther M. Arkin, Hugo A. Akitaya, Irene Parada, Matias Korman, Mirela Damian, Robin Flatland, Vera Sacrist\'an, Vida Dujmovi\'c

arxiv:1908.07880 v2 · 2019-08-21 · cs.CG · 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{WGJFU23HL7H6YS3FCHGLZGETSX}

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	2026-07-05T00:03:17.240108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1925a6b675fcfec4b6511ccbc989395c297f555f20dab836f23c5f907e90a8e

Aliases

arxiv: 1908.07880 · arxiv_version: 1908.07880v2 · doi: 10.48550/arxiv.1908.07880 · pith_short_12: WGJFU23HL7H6 · pith_short_16: WGJFU23HL7H6YS3F · pith_short_8: WGJFU23H

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/WGJFU23HL7H6YS3FCHGLZGETSX \
  | 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: b1925a6b675fcfec4b6511ccbc989395c297f555f20dab836f23c5f907e90a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004d2b94dc030a56f68317d31c0b2d1a15dcd0c9c74e7fbcb6102454e41411d7",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-08-21T14:04:37Z",
    "title_canon_sha256": "ddac4f68a89ab9ae3477215b25d3c361b9759e77d12c53c48c2fd0bf16627ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07880",
    "kind": "arxiv",
    "version": 2
  }
}