Pith Number

pith:RA4GTHLH

pith:2013:RA4GTHLHOJRTXKYDIDAJGEYULX

not attested not anchored not stored refs pending

Hyperentanglement purification and concentration assisted by diamond NV centers inside photonic crystal cavities

Bao-Cang Ren, Fu-Guo Deng

arxiv:1309.0168 v2 · 2013-09-01 · 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{RA4GTHLHOJRTXKYDIDAJGEYULX}

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	2026-05-18T03:10:23.871406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8838699d6772633bab0340c09313145dcced1bf38ac3e4c36d4c2593e3c76202

Aliases

arxiv: 1309.0168 · arxiv_version: 1309.0168v2 · doi: 10.48550/arxiv.1309.0168 · pith_short_12: RA4GTHLHOJRT · pith_short_16: RA4GTHLHOJRTXKYD · pith_short_8: RA4GTHLH

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/RA4GTHLHOJRTXKYDIDAJGEYULX \
  | 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: 8838699d6772633bab0340c09313145dcced1bf38ac3e4c36d4c2593e3c76202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12dd2302dbd18918dff0a0c6f85cc112d16c4de67d476cfe4d07095ce1be6619",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-01T00:04:11Z",
    "title_canon_sha256": "450580d77f53d15c3b081d81ad040c5553a4227ab97b306fa9530c7d745d369f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0168",
    "kind": "arxiv",
    "version": 2
  }
}