Pith Number

pith:W2AAGWHT

pith:2016:W2AAGWHTFWIHAB7VO6W4F4UZJF

not attested not anchored not stored refs pending

Output Observability of Systems Over Finite Alphabets with Linear Internal Dynamics

Danielle C. Tarraf, Donglei Fan

arxiv:1607.03193 v1 · 2016-07-11 · 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{W2AAGWHTFWIHAB7VO6W4F4UZJF}

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	2026-05-18T01:11:09.602793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6800358f32d907007f577adc2f2994942e74b9c850d09bdd445fd7308cb7c64

Aliases

arxiv: 1607.03193 · arxiv_version: 1607.03193v1 · doi: 10.48550/arxiv.1607.03193 · pith_short_12: W2AAGWHTFWIH · pith_short_16: W2AAGWHTFWIHAB7V · pith_short_8: W2AAGWHT

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/W2AAGWHTFWIHAB7VO6W4F4UZJF \
  | 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: b6800358f32d907007f577adc2f2994942e74b9c850d09bdd445fd7308cb7c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96dbb2fb8b391f5adbdb4249d97518819c95a990fa952cefd4e12f99c6424d40",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-11T22:58:23Z",
    "title_canon_sha256": "fdb3fa37eb7053c6a89b5f153a8d7a5e3c1c39c9e4718736d296d97c2b8820ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03193",
    "kind": "arxiv",
    "version": 1
  }
}