Pith Number

pith:CZ7YYM5N

pith:2012:CZ7YYM5NQSJC26HEIWDE36SKDV

not attested not anchored not stored refs pending

Coherent feedback that beats all measurement-based feedback protocols

Howard M. Wiseman, Kurt Jacobs, Xiaoting Wang

arxiv:1211.1724 v2 · 2012-11-07 · 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{CZ7YYM5NQSJC26HEIWDE36SKDV}

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	2026-05-18T02:46:15.200583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

167f8c33ad84922d78e445864dfa4a1d557f60248890fd626a2f4913eeb7c526

Aliases

arxiv: 1211.1724 · arxiv_version: 1211.1724v2 · doi: 10.48550/arxiv.1211.1724 · pith_short_12: CZ7YYM5NQSJC · pith_short_16: CZ7YYM5NQSJC26HE · pith_short_8: CZ7YYM5N

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/CZ7YYM5NQSJC26HEIWDE36SKDV \
  | 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: 167f8c33ad84922d78e445864dfa4a1d557f60248890fd626a2f4913eeb7c526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1053de109df8ec4dcd7a875dc237b8be2a9a00ba79413779270e2aff2da6de6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-07T23:21:52Z",
    "title_canon_sha256": "999b321d44ef34001e4ea3d740f59ba02959e25a02c521e17c6ebd85f6da0fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1724",
    "kind": "arxiv",
    "version": 2
  }
}