Pith Number

pith:DQQCB7HB

pith:2013:DQQCB7HBXECILXMJZSYCZ4HTAP

not attested not anchored not stored refs pending

Obtain $W$-state from three-qubit $GHZ$-state on rate 1

Cheng Guo, Nengkun Yu, Runyao Duan

arxiv:1309.4833 v2 · 2013-09-19 · 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{DQQCB7HBXECILXMJZSYCZ4HTAP}

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	2026-05-18T02:53:53.605988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2020fce1b90485dd89ccb02cf0f303d7e98be3dec3903188e949df248ad3e8

Aliases

arxiv: 1309.4833 · arxiv_version: 1309.4833v2 · doi: 10.48550/arxiv.1309.4833 · pith_short_12: DQQCB7HBXECI · pith_short_16: DQQCB7HBXECILXMJ · pith_short_8: DQQCB7HB

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/DQQCB7HBXECILXMJZSYCZ4HTAP \
  | 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: 1c2020fce1b90485dd89ccb02cf0f303d7e98be3dec3903188e949df248ad3e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3d6f523a6007aa499b669c5ae17a29cb1598a7824aa89f684bbb1cbb025ecd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-19T01:49:19Z",
    "title_canon_sha256": "00e6c83d351bbbabe87e8348e75c109a2da0e8945f5cbcdbe51ee37c43ea93db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4833",
    "kind": "arxiv",
    "version": 2
  }
}