Pith Number

pith:UT7XC3W3

pith:2026:UT7XC3W3QKKLW7AJM7RLPHTF6R

not attested not anchored not stored refs pending

Stochastic signal sensing with finite energy and dead time at the fundamental quantum limit

James W. Gardner, Matteo Fadel, Tuvia Gefen

arxiv:2606.18133 v1 · 2026-06-16 · 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{UT7XC3W3QKKLW7AJM7RLPHTF6R}

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	2026-06-19T16:10:49.241354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ff716edb8294bb7c0967e2b79e65f45c6fb16cb2f74a9d1eda942a7e0f0223

Aliases

arxiv: 2606.18133 · arxiv_version: 2606.18133v1 · doi: 10.48550/arxiv.2606.18133 · pith_short_12: UT7XC3W3QKKL · pith_short_16: UT7XC3W3QKKLW7AJ · pith_short_8: UT7XC3W3

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/UT7XC3W3QKKLW7AJM7RLPHTF6R \
  | 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: a4ff716edb8294bb7c0967e2b79e65f45c6fb16cb2f74a9d1eda942a7e0f0223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a7d2c2531d1dc71c8a7ef7f30c5f87fb8aacb9dc2f26cc19b8b41cb672ab9f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-16T16:33:59Z",
    "title_canon_sha256": "656c5f4ceae3bf4293eafa20258c076a06143da073dfb1f358d44a961d6acf8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18133",
    "kind": "arxiv",
    "version": 1
  }
}