Pith Number

pith:DTXHLSYG

pith:2014:DTXHLSYGTTYBVPIAZ3MSWZUTZG

not attested not anchored not stored refs pending

Design of coherent quantum observers for linear quantum systems

Hadis Amini, Shanon L. Vuglar

arxiv:1401.2259 v2 · 2014-01-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTXHLSYGTTYBVPIAZ3MSWZUTZG}

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	2026-05-18T02:28:40.765532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cee75cb069cf01abd00ced92b6693c988fe75c896c6f17740c10fa4ca5e42ce

Aliases

arxiv: 1401.2259 · arxiv_version: 1401.2259v2 · doi: 10.48550/arxiv.1401.2259 · pith_short_12: DTXHLSYGTTYB · pith_short_16: DTXHLSYGTTYBVPIA · pith_short_8: DTXHLSYG

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/DTXHLSYGTTYBVPIAZ3MSWZUTZG \
  | 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: 1cee75cb069cf01abd00ced92b6693c988fe75c896c6f17740c10fa4ca5e42ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf833a4ec5812fcd38d3665d969b87698ef073dc72d72bece90603516d2811ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-10T08:55:47Z",
    "title_canon_sha256": "89df730e6782e1f88cc8b11f84db7da77493764e78151c62c8eb294544fc24af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2259",
    "kind": "arxiv",
    "version": 2
  }
}