Pith Number

pith:D3MPWMJD

pith:2012:D3MPWMJDEQTLD2VZO6NZVFPUU5

not attested not anchored not stored refs pending

Nuclear Spins as Quantum Testbeds: Singlet States, Quantum Correlations, and Delayed-choice Experiments

Soumya Singha Roy

arxiv:1210.7522 v1 · 2012-10-28 · quant-ph · physics.atom-ph · physics.chem-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{D3MPWMJDEQTLD2VZO6NZVFPUU5}

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	2026-05-18T03:42:09.670888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed8fb31232426b1eab9779b9a95f4a743c43943b61604474e80fdc1e6ce0041

Aliases

arxiv: 1210.7522 · arxiv_version: 1210.7522v1 · doi: 10.48550/arxiv.1210.7522 · pith_short_12: D3MPWMJDEQTL · pith_short_16: D3MPWMJDEQTLD2VZ · pith_short_8: D3MPWMJD

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/D3MPWMJDEQTLD2VZO6NZVFPUU5 \
  | 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: 1ed8fb31232426b1eab9779b9a95f4a743c43943b61604474e80fdc1e6ce0041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f4b3515f74ded0de01e94d55a596322ee5e9459a2dfeee1d8e9e37e814327e",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-28T23:24:49Z",
    "title_canon_sha256": "8402045cf058791ab406dddf07afccc1a7e7072be017453e058274a7b1f8cd6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7522",
    "kind": "arxiv",
    "version": 1
  }
}