Pith Number

pith:ALN2ECYD

pith:2012:ALN2ECYDG6RYLXN2PIQRQDR36L

not attested not anchored not stored refs pending

Robust Stability of Uncertain Quantum Systems

Ian R. Petersen, Matthew R. James, Valery Ugrinovskii

arxiv:1203.2676 v1 · 2012-03-12 · quant-ph · cs.SY · 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{ALN2ECYDG6RYLXN2PIQRQDR36L}

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	2026-05-18T01:58:09.607056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02dba20b0337a385ddba7a21180e3bf2c1042e54dddb37811319cbcd10fe0c57

Aliases

arxiv: 1203.2676 · arxiv_version: 1203.2676v1 · doi: 10.48550/arxiv.1203.2676 · pith_short_12: ALN2ECYDG6RY · pith_short_16: ALN2ECYDG6RYLXN2 · pith_short_8: ALN2ECYD

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/ALN2ECYDG6RYLXN2PIQRQDR36L \
  | 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: 02dba20b0337a385ddba7a21180e3bf2c1042e54dddb37811319cbcd10fe0c57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddbc87c91341e6c2b47fe0bab51d0b7b949670520982409c92430d80e5b693a4",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-12T23:42:25Z",
    "title_canon_sha256": "cc5c0d789e1f49e998ed3b1584d3b9e139b4048184a33da93621d875a0251098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2676",
    "kind": "arxiv",
    "version": 1
  }
}