Pith Number

pith:X7LFJH6Y

pith:2016:X7LFJH6YR2Z7VSUELSJW5OJGD4

not attested not anchored not stored refs pending

Hyperentanglement purification for two-photon six-qubit quantum systems

Fu-Guo Deng, Guan-Yu Wang, Qian Liu

arxiv:1607.00082 v3 · 2016-07-01 · 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{X7LFJH6YR2Z7VSUELSJW5OJGD4}

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	2026-05-18T01:04:18.367216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd6549fd88eb3faca845c936eb9261f134716faee4abeaac38f0d9e0b1eeed5

Aliases

arxiv: 1607.00082 · arxiv_version: 1607.00082v3 · doi: 10.48550/arxiv.1607.00082 · pith_short_12: X7LFJH6YR2Z7 · pith_short_16: X7LFJH6YR2Z7VSUE · pith_short_8: X7LFJH6Y

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/X7LFJH6YR2Z7VSUELSJW5OJGD4 \
  | 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: bfd6549fd88eb3faca845c936eb9261f134716faee4abeaac38f0d9e0b1eeed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3291ec715dcb9dbeb47f30bc6ba41ceefba3b7b0794e2a09ab0062f3175deb12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-01T00:02:59Z",
    "title_canon_sha256": "9cc141b67c6d0b298252c9fbbf98dcdb6865a00092332d60502a67aa6c0872d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00082",
    "kind": "arxiv",
    "version": 3
  }
}