Pith Number

pith:STT6X2IT

pith:2021:STT6X2ITMBW5CSMVJ3Q6R2S2VL

not attested not anchored not stored refs pending

Single-shot discrimination of coherent states beyond the standard quantum limit

B.A. Bell, G.S. Thekkadath, I.A. Walmsley, M.S. Kim, R.B. Patel, S. Sempere-Llagostera

arxiv:2102.01058 v2 · 2021-02-01 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STT6X2ITMBW5CSMVJ3Q6R2S2VL}

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	2026-07-05T02:40:31.654016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e7ebe913606dd149954ee1e8ea5aaaf429dfdd3c410183565019ecfce6c8f1

Aliases

arxiv: 2102.01058 · arxiv_version: 2102.01058v2 · doi: 10.48550/arxiv.2102.01058 · pith_short_12: STT6X2ITMBW5 · pith_short_16: STT6X2ITMBW5CSMV · pith_short_8: STT6X2IT

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/STT6X2ITMBW5CSMVJ3Q6R2S2VL \
  | 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: 94e7ebe913606dd149954ee1e8ea5aaaf429dfdd3c410183565019ecfce6c8f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2640ccb407f206fc58cd20e5f1bd8d93a5cc9c089067566e0e2141048d1b07",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-01T18:46:59Z",
    "title_canon_sha256": "5f9a3feed95a26f34808e51b363462b4f7ef49b3d97a1a8ab74d22e1d7da2be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01058",
    "kind": "arxiv",
    "version": 2
  }
}