Pith Number

pith:TBEWCAKI

pith:2018:TBEWCAKIXDYARKS6ITPNTMPZ6G

not attested not anchored not stored refs pending

Replacing measurement feedback with coherent feedback for quantum state preparation

Naoki Yamamoto, Yoshiki Kashiwamura

arxiv:1807.02936 v1 · 2018-07-09 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:11:13.294308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9849610148b8f008aa5e44ded9b1f9f18b1d22eea64f446676716135f7222454

Aliases

arxiv: 1807.02936 · arxiv_version: 1807.02936v1 · doi: 10.48550/arxiv.1807.02936 · pith_short_12: TBEWCAKIXDYA · pith_short_16: TBEWCAKIXDYARKS6 · pith_short_8: TBEWCAKI

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/TBEWCAKIXDYARKS6ITPNTMPZ6G \
  | 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: 9849610148b8f008aa5e44ded9b1f9f18b1d22eea64f446676716135f7222454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d3084bdceaa9feaaadbe51bbb4f5dc3861ded4fe7927fa4f2acb29a4378ae60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-09T04:10:57Z",
    "title_canon_sha256": "5183cb2cb6b1cbfb33e4fc760411e831922a6153cb35cb918f92bbd214477edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02936",
    "kind": "arxiv",
    "version": 1
  }
}