Pith Number

pith:U2WOI3AY

pith:2013:U2WOI3AY7XJY24IEO72BTX4A6L

not attested not anchored not stored refs pending

Reduced back-action for phase sensitivity 10 times beyond the standard quantum limit

James K. Thompson, Joshua M. Weiner, Justin G. Bohnet, Kevin C. Cox, Matthew A. Norcia, Zilong Chen

arxiv:1310.3177 v1 · 2013-10-11 · quant-ph · physics.atom-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{U2WOI3AY7XJY24IEO72BTX4A6L}

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	2026-05-18T02:45:31.879920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ace46c18fdd38d710477f419df80f2e78102f06d9bdcf42cc40290e23f3612

Aliases

arxiv: 1310.3177 · arxiv_version: 1310.3177v1 · doi: 10.48550/arxiv.1310.3177 · pith_short_12: U2WOI3AY7XJY · pith_short_16: U2WOI3AY7XJY24IE · pith_short_8: U2WOI3AY

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/U2WOI3AY7XJY24IEO72BTX4A6L \
  | 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: a6ace46c18fdd38d710477f419df80f2e78102f06d9bdcf42cc40290e23f3612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23bdab447b2bdefebb700782a035e8138215441c68ce1dc5ae308e89d753756",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-11T15:54:08Z",
    "title_canon_sha256": "ab67c7bb93175ba746e7605d6020e1616ef77417b8e7b199e7a56be0315bbd00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3177",
    "kind": "arxiv",
    "version": 1
  }
}