Pith Number

pith:WZOPBNHO

pith:2014:WZOPBNHO3VZOEDX4XEXWISZNEY

not attested not anchored not stored refs pending

Momentum bispinor, two-qubit entanglement and twistor space

Sangmin Lee, Seungbeom Chin

arxiv:1407.2492 v2 · 2014-07-09 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZOPBNHO3VZOEDX4XEXWISZNEY}

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	2026-05-18T02:45:57.595116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b65cf0b4eedd72e20efcb92f644b2d263c2d01e1710b7e1079cdac445c0c982b

Aliases

arxiv: 1407.2492 · arxiv_version: 1407.2492v2 · doi: 10.48550/arxiv.1407.2492 · pith_short_12: WZOPBNHO3VZO · pith_short_16: WZOPBNHO3VZOEDX4 · pith_short_8: WZOPBNHO

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/WZOPBNHO3VZOEDX4XEXWISZNEY \
  | 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: b65cf0b4eedd72e20efcb92f644b2d263c2d01e1710b7e1079cdac445c0c982b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae578944f6dfb3b89fee5096f1ed53f5cbb02a99f907f267966fd2f36a62b37",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-09T14:23:40Z",
    "title_canon_sha256": "5e85688df3c2efb8bccbbefe1d44be2783d65a33866e53e9bd2d8670e72e0615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2492",
    "kind": "arxiv",
    "version": 2
  }
}