Pith Number

pith:2LUJHSPU

pith:2016:2LUJHSPU7H2XDSW627FJVBPI7V

not attested not anchored not stored refs pending

Universal Asymmetric Quantum Cloning Revisited

A. K. Hashagen

arxiv:1607.03723 v2 · 2016-07-13 · 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{2LUJHSPU7H2XDSW627FJVBPI7V}

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	2026-05-18T00:41:41.578996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e893c9f4f9f571caded7ca9a85e8fd5aa881cfb109176679ce782cb1b2eefb

Aliases

arxiv: 1607.03723 · arxiv_version: 1607.03723v2 · doi: 10.48550/arxiv.1607.03723 · pith_short_12: 2LUJHSPU7H2X · pith_short_16: 2LUJHSPU7H2XDSW6 · pith_short_8: 2LUJHSPU

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/2LUJHSPU7H2XDSW627FJVBPI7V \
  | 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: d2e893c9f4f9f571caded7ca9a85e8fd5aa881cfb109176679ce782cb1b2eefb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a403f8cc8cf19ed11060bd6291dadcf582e014bc216eb8ac6e937f9131a52ae2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-13T13:35:35Z",
    "title_canon_sha256": "c4c48af825a1eb4f15013db08364adc946188c52a36dbea0f531eb24a58a0979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03723",
    "kind": "arxiv",
    "version": 2
  }
}