Pith Number

pith:HIMPGHMJ

pith:2011:HIMPGHMJTPCH23T44FGQPRBNSG

not attested not anchored not stored refs pending

Minimal symmetric Darlington synthesis

Andrea Gombani (ISIB - CNR), Laurent Baratchart (INRIA Sophia Antipolis), Martine Olivi (INRIA Sophia Antipolis), Per Enqvist (KTH)

arxiv:1105.0611 v1 · 2011-05-03 · math.OC · 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{HIMPGHMJTPCH23T44FGQPRBNSG}

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	2026-05-18T04:23:11.018799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a18f31d899bc47d6e7ce14d07c42d9191b96e3fda3217743d943d6087212a21

Aliases

arxiv: 1105.0611 · arxiv_version: 1105.0611v1 · doi: 10.48550/arxiv.1105.0611 · pith_short_12: HIMPGHMJTPCH · pith_short_16: HIMPGHMJTPCH23T4 · pith_short_8: HIMPGHMJ

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/HIMPGHMJTPCH23T44FGQPRBNSG \
  | 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: 3a18f31d899bc47d6e7ce14d07c42d9191b96e3fda3217743d943d6087212a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b25723280b13385e3f6130646bd2c6cd6b0e402357af19c9da0a84858e8472",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-03T15:42:30Z",
    "title_canon_sha256": "7ca54453a802aa1ccead0285f656d7a0d9fb14c35fc2a8f8643e1fd2454cc9fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0611",
    "kind": "arxiv",
    "version": 1
  }
}