Pith Number

pith:SPJ2ZV5Y

pith:2015:SPJ2ZV5YU756GARQ2WE5CF3PUO

not attested not anchored not stored refs pending

Quantum proofs can be verified using only single qubit measurements

Daniel Nagaj, Norbert Schuch, Tomoyuki Morimae

arxiv:1510.06789 v1 · 2015-10-22 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPJ2ZV5YU756GARQ2WE5CF3PUO}

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	2026-05-18T01:19:47.919890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d3acd7b8a7fbe30230d589d1176fa3bd9b020bed3c516fca52783fcf469a6b

Aliases

arxiv: 1510.06789 · arxiv_version: 1510.06789v1 · doi: 10.48550/arxiv.1510.06789 · pith_short_12: SPJ2ZV5YU756 · pith_short_16: SPJ2ZV5YU756GARQ · pith_short_8: SPJ2ZV5Y

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/SPJ2ZV5YU756GARQ2WE5CF3PUO \
  | 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: 93d3acd7b8a7fbe30230d589d1176fa3bd9b020bed3c516fca52783fcf469a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5149e64e6960bbcb54e5bcfccbff8ef16c3ccf50f9f5d22e67132efb93ff66f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-22T23:53:13Z",
    "title_canon_sha256": "4dd7225294371117e697dc7d2d9d364016f2a0c6e6982c7db8c9d14b2d14e4e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06789",
    "kind": "arxiv",
    "version": 1
  }
}