Pith Number

pith:2UDMPGK5

pith:2012:2UDMPGK52RQ6U6RTUSE7CB2BIN

not attested not anchored not stored refs pending

Simulating the coupling of angular momenta in distant matter qubits

A. Maser, C. Ammon, J. von Zanthier, T. Bastin, U. Schilling

arxiv:1207.4974 v1 · 2012-07-20 · 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{2UDMPGK52RQ6U6RTUSE7CB2BIN}

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	2026-05-18T02:29:25.265998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d506c7995dd461ea7a33a489f1074143542cd6ccd3dc947424ac2a9a693eff5c

Aliases

arxiv: 1207.4974 · arxiv_version: 1207.4974v1 · doi: 10.48550/arxiv.1207.4974 · pith_short_12: 2UDMPGK52RQ6 · pith_short_16: 2UDMPGK52RQ6U6RT · pith_short_8: 2UDMPGK5

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/2UDMPGK52RQ6U6RTUSE7CB2BIN \
  | 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: d506c7995dd461ea7a33a489f1074143542cd6ccd3dc947424ac2a9a693eff5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ddd1d8e6730be06d8cc37c6a653b0227bb33c5c81a8f500e395d851c4e4a79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-20T15:07:08Z",
    "title_canon_sha256": "4b7013e22252ee6e66e10965b6c71cc00abba201057a4191e131a29c23aec95a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4974",
    "kind": "arxiv",
    "version": 1
  }
}