Pith Number

pith:UXU32P3R

pith:2013:UXU32P3RWM4EBACNTR6MRATLVW

not attested not anchored not stored refs pending

An Input-Output Construction of Finite State $\rho/\mu$ Approximations for Control Design

Danielle C. Tarraf

arxiv:1302.6289 v2 · 2013-02-26 · 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{UXU32P3RWM4EBACNTR6MRATLVW}

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	2026-05-18T02:58:57.377767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5e9bd3f71b33840804d9c7cc8826bad81fe87e0ac0df9011fc91c59da9e9f6a

Aliases

arxiv: 1302.6289 · arxiv_version: 1302.6289v2 · doi: 10.48550/arxiv.1302.6289 · pith_short_12: UXU32P3RWM4E · pith_short_16: UXU32P3RWM4EBACN · pith_short_8: UXU32P3R

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/UXU32P3RWM4EBACNTR6MRATLVW \
  | 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: a5e9bd3f71b33840804d9c7cc8826bad81fe87e0ac0df9011fc91c59da9e9f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a145c090ee3cc2ebfc436811db12afa21f97c2dd744993b453a535314c1bd308",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-02-26T01:26:53Z",
    "title_canon_sha256": "da9fbd298253c740a6d54028ef53153b9ffdb48d0c0bdb42ba1609b2a02d42e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6289",
    "kind": "arxiv",
    "version": 2
  }
}