Pith Number

pith:4QWE36TY

pith:2013:4QWE36TYO3YYQQPWTG65LRREO3

not attested not anchored not stored refs pending

Entanglement witnessing and quantum cryptography with non-ideal ferromagnetic detectors

Andreas Baumgartner, Andrzej Grudka, Christian Sch\"onenberger, Damian Tomaszewski, Jan Martinek, Waldemar K{\l}obus

arxiv:1310.5640 v3 · 2013-10-21 · cond-mat.mes-hall · 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{4QWE36TYO3YYQQPWTG65LRREO3}

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	2026-05-18T01:46:56.799758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42c4dfa7876f18841f699bdd5c62476f3b85b54dcc0680da151978342d38b07

Aliases

arxiv: 1310.5640 · arxiv_version: 1310.5640v3 · doi: 10.48550/arxiv.1310.5640 · pith_short_12: 4QWE36TYO3YY · pith_short_16: 4QWE36TYO3YYQQPW · pith_short_8: 4QWE36TY

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/4QWE36TYO3YYQQPWTG65LRREO3 \
  | 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: e42c4dfa7876f18841f699bdd5c62476f3b85b54dcc0680da151978342d38b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2cbc23c8de9fc05bfbc8750189aad46406df5ff9dd0c35057eb42c291f5f073",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2013-10-21T16:54:18Z",
    "title_canon_sha256": "bd23a93e1067bb4fd7b9d5fe312918b0664f11560642380a301f121b43f03b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5640",
    "kind": "arxiv",
    "version": 3
  }
}