Pith Number

pith:KWBWGVXG

pith:2018:KWBWGVXGRUYMHTCZS4V5XDB6MU

not attested not anchored not stored refs pending

An asymptotically optimal indirect approach to continuous-time system identification

Cristian R. Rojas, James S. Welsh, Rodrigo A. Gonz\'alez

arxiv:1803.08449 v1 · 2018-03-22 · 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{KWBWGVXGRUYMHTCZS4V5XDB6MU}

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	2026-05-18T00:20:22.828651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55836356e68d30c3cc59972bdb8c3e65077aeceaba0d57a3d66c111adcca6383

Aliases

arxiv: 1803.08449 · arxiv_version: 1803.08449v1 · doi: 10.48550/arxiv.1803.08449 · pith_short_12: KWBWGVXGRUYM · pith_short_16: KWBWGVXGRUYMHTCZ · pith_short_8: KWBWGVXG

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/KWBWGVXGRUYMHTCZS4V5XDB6MU \
  | 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: 55836356e68d30c3cc59972bdb8c3e65077aeceaba0d57a3d66c111adcca6383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a3714ceb512e96cbb8d99c2fb4a0acd5086ddf0e262ad269f2867c6601f5cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-03-22T16:46:38Z",
    "title_canon_sha256": "32123ecf0fbcf0d0d50f19e2887b65efa5a84363e83704deaf9a775c5bb83c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08449",
    "kind": "arxiv",
    "version": 1
  }
}