Pith Number

pith:CN7WMWMA

pith:2012:CN7WMWMATIBTKELGBXB3CGQ62Y

not attested not anchored not stored refs pending

Proposal for a new scheme for producing a two-photon, high dimensional hyperentangled state

Cong-Feng Qiao, Hong-Bo Xu, Kun Du

arxiv:1204.0322 v3 · 2012-04-02 · 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{CN7WMWMATIBTKELGBXB3CGQ62Y}

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	2026-05-18T03:27:01.738478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

137f6659809a033511660dc3b11a1ed6241d4af982cc7e4683b975c45973a183

Aliases

arxiv: 1204.0322 · arxiv_version: 1204.0322v3 · doi: 10.48550/arxiv.1204.0322 · pith_short_12: CN7WMWMATIBT · pith_short_16: CN7WMWMATIBTKELG · pith_short_8: CN7WMWMA

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/CN7WMWMATIBTKELGBXB3CGQ62Y \
  | 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: 137f6659809a033511660dc3b11a1ed6241d4af982cc7e4683b975c45973a183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "186369c4f08887ac03b79da5a1bd7ecdb657cc2cb6eba8a12caf509dbdf4fe35",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-02T06:45:11Z",
    "title_canon_sha256": "4c3cc110d9c664c3b5728adfa3c8d23ae3f74581842fe0b456a39cd155bca8ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0322",
    "kind": "arxiv",
    "version": 3
  }
}