Pith Number

pith:GOQX3NFS

pith:2016:GOQX3NFSUKGYIV4M7H5OKJR2HU

not attested not anchored not stored refs pending

Breaking the weak Heisenberg limit

Alfredo Luis

arxiv:1607.07668 v2 · 2016-07-26 · 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{GOQX3NFSUKGYIV4M7H5OKJR2HU}

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	2026-05-18T00:48:42.509420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33a17db4b2a28d84578cf9fae5263a3d1ca43a7f0414c0e5f8bda1e32a68a8c4

Aliases

arxiv: 1607.07668 · arxiv_version: 1607.07668v2 · doi: 10.48550/arxiv.1607.07668 · pith_short_12: GOQX3NFSUKGY · pith_short_16: GOQX3NFSUKGYIV4M · pith_short_8: GOQX3NFS

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/GOQX3NFSUKGYIV4M7H5OKJR2HU \
  | 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: 33a17db4b2a28d84578cf9fae5263a3d1ca43a7f0414c0e5f8bda1e32a68a8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12b95c893ee5aa3d234099caf4917e221b8baa58cdea5e65193a1c347d59cb72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-26T12:35:14Z",
    "title_canon_sha256": "97b93495aba6f138f35940efa77d08a82c841c55fe52089617bb752faea21a6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07668",
    "kind": "arxiv",
    "version": 2
  }
}