Pith Number

pith:K4XRR7B6

pith:2011:K4XRR7B6O5JEXSG26ZLDIT6QVS

not attested not anchored not stored refs pending

Scalable Generation and Characterization of a Four-Photon Twelve-Qubit Hyperentangled State

Cong-Feng Qiao, Kun Du

arxiv:1108.1475 v4 · 2011-08-06 · quant-ph · hep-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{K4XRR7B6O5JEXSG26ZLDIT6QVS}

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	2026-05-18T03:59:25.377564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572f18fc3e77524bc8daf656344fd0acad2b755d03fa843a3618e5c9e0f24bca

Aliases

arxiv: 1108.1475 · arxiv_version: 1108.1475v4 · doi: 10.48550/arxiv.1108.1475 · pith_short_12: K4XRR7B6O5JE · pith_short_16: K4XRR7B6O5JEXSG2 · pith_short_8: K4XRR7B6

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/K4XRR7B6O5JEXSG26ZLDIT6QVS \
  | 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: 572f18fc3e77524bc8daf656344fd0acad2b755d03fa843a3618e5c9e0f24bca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3567b213e3b6145bb72fdb0eac6d6c2192e8a5478fe2679ddd71ee0c85941a3c",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-06T10:55:46Z",
    "title_canon_sha256": "9f03cb86df0e879e8d877c617d1f0d9d1a69fe88e12644a5b0a593dce72bec75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1475",
    "kind": "arxiv",
    "version": 4
  }
}