Pith Number

pith:7FOTUZNN

pith:2015:7FOTUZNNDRY26K2G7VD3IJM7FG

not attested not anchored not stored refs pending

Entropic uncertainty bound for open pointer-based simultaneous measurements of conjugate observables

Matthias Freyberger, Raoul Heese

arxiv:1503.01633 v1 · 2015-03-05 · 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{7FOTUZNNDRY26K2G7VD3IJM7FG}

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	2026-05-18T02:20:39.209944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95d3a65ad1c71af2b46fd47b4259f29a7ec031d4274bd191729482fa5d8b320

Aliases

arxiv: 1503.01633 · arxiv_version: 1503.01633v1 · doi: 10.48550/arxiv.1503.01633 · pith_short_12: 7FOTUZNNDRY2 · pith_short_16: 7FOTUZNNDRY26K2G · pith_short_8: 7FOTUZNN

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/7FOTUZNNDRY26K2G7VD3IJM7FG \
  | 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: f95d3a65ad1c71af2b46fd47b4259f29a7ec031d4274bd191729482fa5d8b320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d7ee09e0ebb89882e1e822382e7298433e517bae7f42bcc5c4efc4f573bd8b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-05T13:45:56Z",
    "title_canon_sha256": "732e8acc31df414e16c66553f486eb07e3af3acc8c4066b98e71096ddb6411b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01633",
    "kind": "arxiv",
    "version": 1
  }
}