Pith Number

pith:PTZIS7UY

pith:2015:PTZIS7UYXQACWEZROGLXUT7ES2

not attested not anchored not stored refs pending

Pole placement design for quantum systems via coherent observers

Matthew R. James, Valery A. Ugrinovskii, Zibo Miao

arxiv:1509.05124 v1 · 2015-09-17 · 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{PTZIS7UYXQACWEZROGLXUT7ES2}

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	2026-05-18T01:32:49.843992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf2897e98bc002b133171977a4fe4968ea74d6120d16752b8af09280d612407

Aliases

arxiv: 1509.05124 · arxiv_version: 1509.05124v1 · doi: 10.48550/arxiv.1509.05124 · pith_short_12: PTZIS7UYXQAC · pith_short_16: PTZIS7UYXQACWEZR · pith_short_8: PTZIS7UY

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/PTZIS7UYXQACWEZROGLXUT7ES2 \
  | 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: 7cf2897e98bc002b133171977a4fe4968ea74d6120d16752b8af09280d612407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2561a0f09e0cbf2601c4b18ed891e947c3d0abd2026dd048b65c9ae3fdeda670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-17T04:50:37Z",
    "title_canon_sha256": "572048fa629b5d05ef149bad20a9816d646c97c4db00ef1101ea7a8306bc19c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05124",
    "kind": "arxiv",
    "version": 1
  }
}