Pith Number

pith:XKAFSXCB

pith:2021:XKAFSXCB2N3HGGH3VSALBSJT4V

not attested not anchored not stored refs pending

Backup Control Barrier Functions: Formulation and Comparative Study

Aaron D. Ames, Mario Santillo, Mrdjan Jankovic, Yuxiao Chen

arxiv:2104.11332 v1 · 2021-04-22 · eess.SY · cs.SY · 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{XKAFSXCB2N3HGGH3VSALBSJT4V}

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	2026-07-05T02:34:22.942224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba80595c41d3767318fbac80b0c933e57b908f6c8899144108d548ffd5ad89f2

Aliases

arxiv: 2104.11332 · arxiv_version: 2104.11332v1 · doi: 10.48550/arxiv.2104.11332 · pith_short_12: XKAFSXCB2N3H · pith_short_16: XKAFSXCB2N3HGGH3 · pith_short_8: XKAFSXCB

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/XKAFSXCB2N3HGGH3VSALBSJT4V \
  | 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: ba80595c41d3767318fbac80b0c933e57b908f6c8899144108d548ffd5ad89f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b19074077faae0b39ce9acc5a6941c7907abebd1852e741a4873cd14965e17",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-04-22T21:42:55Z",
    "title_canon_sha256": "f4321774e50232e968bd4e343efe590dc3284c2f39ca90c7f3619fe9b14eba34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11332",
    "kind": "arxiv",
    "version": 1
  }
}