Pith Number

pith:MAD4LXJR

pith:2010:MAD4LXJR6HXKT3KXORERRZC6TM

not attested not anchored not stored refs pending

Discrimination of binary coherent states using a homodyne detector and a photon number resolving detector

Christoffer Wittmann, Gerd Leuchs, Masahiro Takeoka, Ulrik L. Andersen

arxiv:1002.0232 v1 · 2010-02-01 · 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{MAD4LXJR6HXKT3KXORERRZC6TM}

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	2026-05-18T04:39:38.988095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6007c5dd31f1eea9ed57744918e45e9b2cdd0d33e60b9c264b1856d49377792b

Aliases

arxiv: 1002.0232 · arxiv_version: 1002.0232v1 · doi: 10.48550/arxiv.1002.0232 · pith_short_12: MAD4LXJR6HXK · pith_short_16: MAD4LXJR6HXKT3KX · pith_short_8: MAD4LXJR

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/MAD4LXJR6HXKT3KXORERRZC6TM \
  | 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: 6007c5dd31f1eea9ed57744918e45e9b2cdd0d33e60b9c264b1856d49377792b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d2f03e93421bbb7956274412e3109065db4e24de7250bd28f95baad93300bf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-01T12:23:24Z",
    "title_canon_sha256": "49616d31b2efd366951c823fa87c92d2cef4279de4ae1ac54fff32d9a79c8bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0232",
    "kind": "arxiv",
    "version": 1
  }
}