Pith Number

pith:IG2ZXWFO

pith:2013:IG2ZXWFOW6KZZLY53XUTNNPIBT

not attested not anchored not stored refs pending

On structure-preserving transformations of the Ito generator matrix for model reduction of quantum feedback networks

H.I. Nurdin, J.E. Gough

arxiv:1309.0562 v1 · 2013-09-03 · 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{IG2ZXWFOW6KZZLY53XUTNNPIBT}

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	2026-05-18T03:14:18.693976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b59bd8aeb7959caf1ddde936b5e80cd0378fc4bc0b89a6c1b211ae3832af79

Aliases

arxiv: 1309.0562 · arxiv_version: 1309.0562v1 · doi: 10.48550/arxiv.1309.0562 · pith_short_12: IG2ZXWFOW6KZ · pith_short_16: IG2ZXWFOW6KZZLY5 · pith_short_8: IG2ZXWFO

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/IG2ZXWFOW6KZZLY53XUTNNPIBT \
  | 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: 41b59bd8aeb7959caf1ddde936b5e80cd0378fc4bc0b89a6c1b211ae3832af79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ad8a5b45af60c40e39a4556e46915d76cda636f3e14491767a5546037182b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-03T00:27:14Z",
    "title_canon_sha256": "025a1413a5759a951b78685e50c9931b0c18973c0375bccbedf2f728cf5a0bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0562",
    "kind": "arxiv",
    "version": 1
  }
}