Pith Number

pith:SCZSQBDU

pith:2012:SCZSQBDUJPJ4ZMBHC5G4OHEAEF

not attested not anchored not stored refs pending

Controllability and observability of grid graphs via reduction and symmetries

Gianfranco Parlangeli, Giuseppe Notarstefano

arxiv:1203.0129 v1 · 2012-03-01 · 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{SCZSQBDUJPJ4ZMBHC5G4OHEAEF}

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	2026-05-18T04:01:03.086566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b32804744bd3ccb027174dc71c80217d46f78804045807e2f7a8651460fcad

Aliases

arxiv: 1203.0129 · arxiv_version: 1203.0129v1 · doi: 10.48550/arxiv.1203.0129 · pith_short_12: SCZSQBDUJPJ4 · pith_short_16: SCZSQBDUJPJ4ZMBH · pith_short_8: SCZSQBDU

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/SCZSQBDUJPJ4ZMBHC5G4OHEAEF \
  | 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: 90b32804744bd3ccb027174dc71c80217d46f78804045807e2f7a8651460fcad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e881335901b0cc9b493aae6b6fd29a72bcbed1c460f3e055facd9f55942c60c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-03-01T10:00:36Z",
    "title_canon_sha256": "99768cf3d62a5d9603b429bb136ab3e9626b52fb88421e9ba403023dde7259ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0129",
    "kind": "arxiv",
    "version": 1
  }
}