Pith Number

pith:NMYCZRVX

pith:2010:NMYCZRVXMWYAIDH37VK33N6VEG

not attested not anchored not stored refs pending

Quantum state engineering by a coherent superposition of photon subtraction and addition

Hyunchul Nha, Su-Yong Lee

arxiv:1009.2390 v2 · 2010-09-13 · 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{NMYCZRVXMWYAIDH37VK33N6VEG}

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	2026-05-18T02:05:31.248978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b302cc6b765b0040cfbfd55bdb7d521a9040416dd623f37774d2e777610110f

Aliases

arxiv: 1009.2390 · arxiv_version: 1009.2390v2 · doi: 10.48550/arxiv.1009.2390 · pith_short_12: NMYCZRVXMWYA · pith_short_16: NMYCZRVXMWYAIDH3 · pith_short_8: NMYCZRVX

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/NMYCZRVXMWYAIDH37VK33N6VEG \
  | 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: 6b302cc6b765b0040cfbfd55bdb7d521a9040416dd623f37774d2e777610110f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3351975900e73de6acb524eab1b3bcbcbb1797e6e27b2e3d67603bc45d4c6d85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-13T13:43:31Z",
    "title_canon_sha256": "ba5e197a043eccb35dc59fe6a02b6a03f63c2caa736b3c4b39fd0d7050a4ef9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2390",
    "kind": "arxiv",
    "version": 2
  }
}