Pith Number

pith:HTWG5FTJ

pith:2013:HTWG5FTJMCC7TLQPNGDIEWU5YQ

not attested not anchored not stored refs pending

Model-free control

C\'edric Join (INRIA Lille - Nord Europe, CRAN), Michel Fliess (LIX)

arxiv:1305.7085 v2 · 2013-05-30 · 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{HTWG5FTJMCC7TLQPNGDIEWU5YQ}

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	2026-05-18T03:06:35.167822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cec6e96696085f9ae0f6986825a9dc41d378aba1e484aca7fcecc9147821f4e

Aliases

arxiv: 1305.7085 · arxiv_version: 1305.7085v2 · doi: 10.48550/arxiv.1305.7085 · pith_short_12: HTWG5FTJMCC7 · pith_short_16: HTWG5FTJMCC7TLQP · pith_short_8: HTWG5FTJ

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/HTWG5FTJMCC7TLQPNGDIEWU5YQ \
  | 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: 3cec6e96696085f9ae0f6986825a9dc41d378aba1e484aca7fcecc9147821f4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72a4a172b2c7bcce259b32c9b7f3b572f94ed7d25eec5a480868b62cff90d0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-05-30T12:48:26Z",
    "title_canon_sha256": "1b4ff443b2ac953d005d5d20193276f65ca06e91c87e0d3d42ea6dacc2029c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7085",
    "kind": "arxiv",
    "version": 2
  }
}