Pith Number

pith:FSIUG7VZ

pith:2019:FSIUG7VZN4YSBJNFGF6TLSO4VL

not attested not anchored not stored refs pending

Safe Control Algorithms Using Energy Functions: A Unified Framework, Benchmark, and New Directions

Changliu Liu, Tianhao Wei

arxiv:1908.01883 v2 · 2019-08-05 · eess.SY · 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{FSIUG7VZN4YSBJNFGF6TLSO4VL}

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	2026-07-05T00:15:23.948922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c91437eb96f3120a5a5317d35c9dcaaf79cc3d65830acc2e5ee4844d1140f04

Aliases

arxiv: 1908.01883 · arxiv_version: 1908.01883v2 · doi: 10.48550/arxiv.1908.01883 · pith_short_12: FSIUG7VZN4YS · pith_short_16: FSIUG7VZN4YSBJNF · pith_short_8: FSIUG7VZ

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/FSIUG7VZN4YSBJNFGF6TLSO4VL \
  | 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: 2c91437eb96f3120a5a5317d35c9dcaaf79cc3d65830acc2e5ee4844d1140f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e00ea23978d0adcd54966d5f39ec82675683eb55b4682c0ccc5cc269b8ac3bde",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-08-05T22:11:52Z",
    "title_canon_sha256": "fae2246fe921638b7218e2f07f7956f8222e8c982ad4a8189feeb049e2477171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01883",
    "kind": "arxiv",
    "version": 2
  }
}