Pith Number

pith:TT2HP7MJ

pith:2010:TT2HP7MJNBIOAQWOL4D25DQLOG

not attested not anchored not stored refs pending

Sub-shot-noise-limit discrimination of on-off keyed coherent signals via a quantum receiver with a superconducting transition edge sensor

Daiji Fukuda, Go Fujii, Kenji Tsujino, Masahide Sasaki, Masahiro Takeoka, Mikio Fujiwara, Shuichiro Inoue

arxiv:1002.2819 v1 · 2010-02-15 · 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{TT2HP7MJNBIOAQWOL4D25DQLOG}

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	2026-05-18T00:37:05.722931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cf477fd896850e042ce5f07ae8e0b71adb8bc0f9384151d4d1f7143f1ac6f93

Aliases

arxiv: 1002.2819 · arxiv_version: 1002.2819v1 · doi: 10.48550/arxiv.1002.2819 · pith_short_12: TT2HP7MJNBIO · pith_short_16: TT2HP7MJNBIOAQWO · pith_short_8: TT2HP7MJ

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/TT2HP7MJNBIOAQWOL4D25DQLOG \
  | 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: 9cf477fd896850e042ce5f07ae8e0b71adb8bc0f9384151d4d1f7143f1ac6f93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cef8156c0254b7a8d53c528badb87ad0aaa887f7d56eeaa4422ba0f71b58f44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-15T02:49:34Z",
    "title_canon_sha256": "de4f82a9914d38acf924fe79d1754574d02d4af3b1e81ec80b6d59a9859a1fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2819",
    "kind": "arxiv",
    "version": 1
  }
}