Pith Number

pith:A274BWFZ

pith:2014:A274BWFZZYSECTVDJVXV5A75NB

not attested not anchored not stored refs pending

SISO Output Affine Feedback Transformation Group and Its Faa di Bruno Hopf Algebra

Kurusch Ebrahimi-Fard, W. Steven Gray

arxiv:1411.0222 v2 · 2014-11-02 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A274BWFZZYSECTVDJVXV5A75NB}

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	2026-05-18T00:43:36.207025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06bfc0d8b9ce24414ea34d6f5e83fd68638d9c00513d4aad329abde5235d1f31

Aliases

arxiv: 1411.0222 · arxiv_version: 1411.0222v2 · doi: 10.48550/arxiv.1411.0222 · pith_short_12: A274BWFZZYSE · pith_short_16: A274BWFZZYSECTVD · pith_short_8: A274BWFZ

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/A274BWFZZYSECTVDJVXV5A75NB \
  | 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: 06bfc0d8b9ce24414ea34d6f5e83fd68638d9c00513d4aad329abde5235d1f31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8d79e83b7379da6dab0aedb7b76742b8cf719b66c518bd8a32239ae712eaec7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-02T08:13:43Z",
    "title_canon_sha256": "45ce78f6a9a810cf34b072ad0985e0c1363d76e4619d7df3bc5a508198eedb75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0222",
    "kind": "arxiv",
    "version": 2
  }
}