Pith Number

pith:4D3E3LG2

pith:2012:4D3E3LG257OA3JFRFW3FVWQCUD

not attested not anchored not stored refs pending

Closed-loop Reference Models for Output-Feedback Adaptive Systems

Anuradha M. Annaswamy, Eugene Lavretsky, Travis E. Gibson

arxiv:1210.8220 v2 · 2012-10-31 · math.OC · cs.SY · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4D3E3LG257OA3JFRFW3FVWQCUD}

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	2026-05-18T03:39:51.546144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f64dacdaefdc0da4b12db65ada02a0c3abe6a21e897907f7625a66a9c6ba02

Aliases

arxiv: 1210.8220 · arxiv_version: 1210.8220v2 · doi: 10.48550/arxiv.1210.8220 · pith_short_12: 4D3E3LG257OA · pith_short_16: 4D3E3LG257OA3JFR · pith_short_8: 4D3E3LG2

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/4D3E3LG257OA3JFRFW3FVWQCUD \
  | 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: e0f64dacdaefdc0da4b12db65ada02a0c3abe6a21e897907f7625a66a9c6ba02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44653d3ac898602db2cd669ab3561d504bdf2c181821197c802a2fe189e25677",
    "cross_cats_sorted": [
      "cs.SY",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-10-31T02:57:06Z",
    "title_canon_sha256": "6d77d417f864297cafe3b2f80a31fed1d7e99233b0d13fa8d99aa7e3211a0e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8220",
    "kind": "arxiv",
    "version": 2
  }
}