Pith Number

pith:QSGS3S5J

pith:2001:QSGS3S5JLUVQ4PK2EJD6V35BXH

not attested not anchored not stored refs pending

Robust control in the quantum domain

Andrew Doherty, Hideo Mabuchi, John Doyle, Kurt Jacobs, Salman Habib

arxiv:quant-ph/0105018 v1 · 2001-05-06 · 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{QSGS3S5JLUVQ4PK2EJD6V35BXH}

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	2026-05-18T00:57:44.769360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

848d2dcba95d2b0e3d5a2247eaefa1b9cf1398cd22ee9b9a5d768cf5d0d1288d

Aliases

arxiv: quant-ph/0105018 · arxiv_version: quant-ph/0105018v1 · doi: 10.48550/arxiv.quant-ph/0105018 · pith_short_12: QSGS3S5JLUVQ · pith_short_16: QSGS3S5JLUVQ4PK2 · pith_short_8: QSGS3S5J

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/QSGS3S5JLUVQ4PK2EJD6V35BXH \
  | 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: 848d2dcba95d2b0e3d5a2247eaefa1b9cf1398cd22ee9b9a5d768cf5d0d1288d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "927cf903de44e038dfdd8d7a1bd5098740ce0ea7df545d47c0c30bc4a324b909",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-05-06T02:11:39Z",
    "title_canon_sha256": "1e403c963e93ede44f167b1c57d5ea9aba53487fe1b18fb2ef346358f1701ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0105018",
    "kind": "arxiv",
    "version": 1
  }
}