Pith Number

pith:3Y7WQOPW

pith:2002:3Y7WQOPWXLY4NYUFTNTZS55DEP

not attested not anchored not stored refs pending

Exploring Noiseless Subsystems via Nuclear Magnetic Resonance

David G. Cory, Emanuel Knill, Evan M. Fortunato, Lorenza Viola, Marco A. Pravia, Raymond Laflamme, Timothy F. Havel

arxiv:quant-ph/0210057 v1 · 2002-10-09 · 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{3Y7WQOPWXLY4NYUFTNTZS55DEP}

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	2026-07-04T16:36:11.151137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de3f6839f6baf1c6e2859b679977a323c1979e0d34148148a657c836c7c3df85

Aliases

arxiv: quant-ph/0210057 · arxiv_version: quant-ph/0210057v1 · doi: 10.48550/arxiv.quant-ph/0210057 · pith_short_12: 3Y7WQOPWXLY4 · pith_short_16: 3Y7WQOPWXLY4NYUF · pith_short_8: 3Y7WQOPW

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/3Y7WQOPWXLY4NYUFTNTZS55DEP \
  | 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: de3f6839f6baf1c6e2859b679977a323c1979e0d34148148a657c836c7c3df85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32fb8ece56f97a9f756a607b4fb1b9c746a760a7dc07e4fa09e606fb1d3bec77",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-10-09T01:40:24Z",
    "title_canon_sha256": "6f212597ed84ebafda6a20f3d09f8fcf12b838aa2b07a42693a2a3d5f020b3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0210057",
    "kind": "arxiv",
    "version": 1
  }
}