Pith Number

pith:4FE7L3D2

pith:2018:4FE7L3D2VI2VQNRN5VV2USL26R

not attested not anchored not stored refs pending

Exploiting symmetry for discrete-time reachability computations

John Maidens, Murat Arcak

arxiv:1801.00516 v2 · 2018-01-01 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FE7L3D2VI2VQNRN5VV2USL26R}

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	2026-05-18T00:24:59.238513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e149f5ec7aaa3558362ded6baa497af45bf2bdbe843ea64dd5e74c8c4481d5f7

Aliases

arxiv: 1801.00516 · arxiv_version: 1801.00516v2 · doi: 10.48550/arxiv.1801.00516 · pith_short_12: 4FE7L3D2VI2V · pith_short_16: 4FE7L3D2VI2VQNRN · pith_short_8: 4FE7L3D2

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/4FE7L3D2VI2VQNRN5VV2USL26R \
  | 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: e149f5ec7aaa3558362ded6baa497af45bf2bdbe843ea64dd5e74c8c4481d5f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e419aa3dafa1f2f3355bed167ef95f8674827c681eb64785708677b5bfb31e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-01-01T21:47:01Z",
    "title_canon_sha256": "1811965933f424cb4de931e7022aef21254e9811d8b7ad257d4001084debc474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00516",
    "kind": "arxiv",
    "version": 2
  }
}