Pith Number

pith:N54BL2HD

pith:2015:N54BL2HDAG66MRSEN27BBLV64W

not attested not anchored not stored refs pending

An Iterative Abstraction Algorithm for Reactive Correct-by-Construction Controller Synthesis

Richard M. Murray, Robert Mattila, Yilin Mo

arxiv:1509.04125 v1 · 2015-09-14 · 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{N54BL2HDAG66MRSEN27BBLV64W}

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	2026-05-18T00:58:34.998405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7815e8e301bde646446ebe10aebee5bb3447807721e14e5a6c1067d2befd8b

Aliases

arxiv: 1509.04125 · arxiv_version: 1509.04125v1 · doi: 10.48550/arxiv.1509.04125 · pith_short_12: N54BL2HDAG66 · pith_short_16: N54BL2HDAG66MRSE · pith_short_8: N54BL2HD

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/N54BL2HDAG66MRSEN27BBLV64W \
  | 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: 6f7815e8e301bde646446ebe10aebee5bb3447807721e14e5a6c1067d2befd8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de947811388631b89f574ecef1da155a334115578c5b65fe9eb2828dbb565a63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-09-14T14:57:09Z",
    "title_canon_sha256": "731fd6490387daad5fb4f5583dbd8326f4da75f5508f92569502b004bfb50aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04125",
    "kind": "arxiv",
    "version": 1
  }
}