Pith Number

pith:CFCYUR2W

pith:2026:CFCYUR2W2NJJZC4R5TTMPAQTXY

not attested not anchored not stored refs pending

Backstepping Control of First-Order Hyperbolic Equations in Arbitrary Dimensions with Non-Trapping Characteristics

Mohamed Camil Belhadjoudja

arxiv:2605.25217 v1 · 2026-05-24 · eess.SY · cs.SY · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFCYUR2W2NJJZC4R5TTMPAQTXY}

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	2026-05-26T02:04:23.804753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11458a4756d3529c8b91ece6c78213be222c96d8bf051f98e4c0fe28958030ee

Aliases

arxiv: 2605.25217 · arxiv_version: 2605.25217v1 · doi: 10.48550/arxiv.2605.25217 · pith_short_12: CFCYUR2W2NJJ · pith_short_16: CFCYUR2W2NJJZC4R · pith_short_8: CFCYUR2W

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/CFCYUR2W2NJJZC4R5TTMPAQTXY \
  | 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: 11458a4756d3529c8b91ece6c78213be222c96d8bf051f98e4c0fe28958030ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a18a7159271fea6d3031a1662b79cb5b9484f8b57c8d1dd7f72166f932c3ee",
    "cross_cats_sorted": [
      "cs.SY",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-05-24T18:51:39Z",
    "title_canon_sha256": "b407553fb433260d46f8d2d1f5e2d8706646b855fdb23e24afc27cbbcc8479cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25217",
    "kind": "arxiv",
    "version": 1
  }
}