Pith Number

pith:PHCP674H

pith:2021:PHCP674HPWJE3Y47QL33HZDDTO

not attested not anchored not stored refs pending

Quantum deleting and cloning in a pseudo-unitary system

Chengjie Zhang, Haidong Yuan, Ming Gong, Peng Xue, Yucheng Chen

arxiv:2103.15353 v1 · 2021-03-29 · 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{PHCP674HPWJE3Y47QL33HZDDTO}

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	2026-07-05T04:12:49.063649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c4ff7f877d924de39f82f7b3e4639b97b8580e07943e4d6d5c7b54a9b0cddd

Aliases

arxiv: 2103.15353 · arxiv_version: 2103.15353v1 · doi: 10.48550/arxiv.2103.15353 · pith_short_12: PHCP674HPWJE · pith_short_16: PHCP674HPWJE3Y47 · pith_short_8: PHCP674H

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/PHCP674HPWJE3Y47QL33HZDDTO \
  | 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: 79c4ff7f877d924de39f82f7b3e4639b97b8580e07943e4d6d5c7b54a9b0cddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa25b782c05df4b5cf500e09161da341142d2901e231f94de3ba5ba4c08d7edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-29T05:59:27Z",
    "title_canon_sha256": "0f259b0f670a95265f492507509409ff07f38d0d35e8d3a4f791f81a8049bb75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15353",
    "kind": "arxiv",
    "version": 1
  }
}