Pith Number

pith:UWEXTDTR

pith:2012:UWEXTDTR3KN6NOU77MSGU4WQ2U

not attested not anchored not stored refs pending

Distributed Control of Positive Systems

Anders Rantzer

arxiv:1203.0047 v3 · 2012-02-29 · 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{UWEXTDTR3KN6NOU77MSGU4WQ2U}

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	2026-05-18T01:44:20.890941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a589798e71da9be6ba9ffb246a72d0d5315b97f1a82a2f373cdd5ef344d50c3d

Aliases

arxiv: 1203.0047 · arxiv_version: 1203.0047v3 · doi: 10.48550/arxiv.1203.0047 · pith_short_12: UWEXTDTR3KN6 · pith_short_16: UWEXTDTR3KN6NOU7 · pith_short_8: UWEXTDTR

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/UWEXTDTR3KN6NOU77MSGU4WQ2U \
  | 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: a589798e71da9be6ba9ffb246a72d0d5315b97f1a82a2f373cdd5ef344d50c3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff072a63cb68fdeb696ee74b10ae2068cce236e7edf1c965015e05ee5d26339e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-02-29T23:27:07Z",
    "title_canon_sha256": "367a6fad33b916dd79e32f1998bfbf30b224b47f3d33f14a99ba9f5a373910d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0047",
    "kind": "arxiv",
    "version": 3
  }
}