Pith Number

pith:RKIF6O6O

pith:2017:RKIF6O6O7YUL4ZKKNWPKVTRVHF

not attested not anchored not stored refs pending

Invariance Pressure for Control Systems

Alexandre J. Santana, Fritz Colonius, Jo\~ao A. N. Cossich

arxiv:1706.03025 v1 · 2017-06-09 · 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{RKIF6O6O7YUL4ZKKNWPKVTRVHF}

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	2026-05-18T00:18:31.794887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a905f3bcefe28be654a6d9eaace35395ecf91a9eb495f489b3ad63e5e08b3d7

Aliases

arxiv: 1706.03025 · arxiv_version: 1706.03025v1 · doi: 10.48550/arxiv.1706.03025 · pith_short_12: RKIF6O6O7YUL · pith_short_16: RKIF6O6O7YUL4ZKK · pith_short_8: RKIF6O6O

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/RKIF6O6O7YUL4ZKKNWPKVTRVHF \
  | 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: 8a905f3bcefe28be654a6d9eaace35395ecf91a9eb495f489b3ad63e5e08b3d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378007765ba0273b3d5d0a0073fdfcd52617e2017878d23bbe60983556631665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-09T16:32:35Z",
    "title_canon_sha256": "4fa2aac385c870f7f88dd3c041c88a77d65a553f35897bb12755d5afc3abd980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03025",
    "kind": "arxiv",
    "version": 1
  }
}