Pith Number

pith:6NWBLP5K

pith:2015:6NWBLP5KQNEPHDLTOEPPCX7WVY

not attested not anchored not stored refs pending

On quantification of systemic redundancy in reliable systems

Getachew K. Befekadu, Panos J. Antsaklis

arxiv:1502.04225 v1 · 2015-02-14 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NWBLP5KQNEPHDLTOEPPCX7WVY}

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	2026-05-18T02:27:00.205547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36c15bfaa8348f38d73711ef15ff6ae3cbe176a75e8e2a4501a84370e008943

Aliases

arxiv: 1502.04225 · arxiv_version: 1502.04225v1 · doi: 10.48550/arxiv.1502.04225 · pith_short_12: 6NWBLP5KQNEP · pith_short_16: 6NWBLP5KQNEPHDLT · pith_short_8: 6NWBLP5K

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/6NWBLP5KQNEPHDLTOEPPCX7WVY \
  | 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: f36c15bfaa8348f38d73711ef15ff6ae3cbe176a75e8e2a4501a84370e008943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f56458531d0dd9bc8b16e1ae752785b1b4e02744f63022cfd78f8ecb90b76e71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-02-14T16:54:57Z",
    "title_canon_sha256": "3d5b8a4ef667e2e74fcff9ad80da01d608d0a0ffad3c7ccffd4f86ce6188de24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04225",
    "kind": "arxiv",
    "version": 1
  }
}