Pith Number

pith:4IS5GEAH

pith:2011:4IS5GEAHQWB4PDSYXHNNMVDQAN

not attested not anchored not stored refs pending

A graphical environment to express the semantics of control systems

E. Feron, Romain Jobredeaux, Timothy Wang

arxiv:1108.4048 v1 · 2011-08-19 · cs.SY · cs.PL · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IS5GEAHQWB4PDSYXHNNMVDQAN}

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	2026-05-18T04:14:56.302592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e225d310078583c78e58b9dad65470035c97ff9826802e5293087126a0217921

Aliases

arxiv: 1108.4048 · arxiv_version: 1108.4048v1 · doi: 10.48550/arxiv.1108.4048 · pith_short_12: 4IS5GEAHQWB4 · pith_short_16: 4IS5GEAHQWB4PDSY · pith_short_8: 4IS5GEAH

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/4IS5GEAHQWB4PDSYXHNNMVDQAN \
  | 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: e225d310078583c78e58b9dad65470035c97ff9826802e5293087126a0217921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b8fd4c01aaa2dae3e618d9690daf78eee44a6319ee167dc7d012010f5b0c4a",
    "cross_cats_sorted": [
      "cs.PL",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2011-08-19T20:49:52Z",
    "title_canon_sha256": "07b23789d74199eed92e0a2898b5988162a094865633abe0d567bcb775aedf43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4048",
    "kind": "arxiv",
    "version": 1
  }
}