Pith Number

pith:MMELKVIZ

pith:2014:MMELKVIZQMFKXPKLXK2CLFSUF4

not attested not anchored not stored refs pending

Witnessing the degree of nonclassicality of light

B. Hage, J. Sperling, M. Mraz, W. Vogel

arxiv:1406.7094 v1 · 2014-06-27 · 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{MMELKVIZQMFKXPKLXK2CLFSUF4}

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	2026-05-18T02:42:36.907244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6308b55519830aabbd4bbab42596542f01835f74029cb28ba4a1ad5149c7be29

Aliases

arxiv: 1406.7094 · arxiv_version: 1406.7094v1 · doi: 10.48550/arxiv.1406.7094 · pith_short_12: MMELKVIZQMFK · pith_short_16: MMELKVIZQMFKXPKL · pith_short_8: MMELKVIZ

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/MMELKVIZQMFKXPKLXK2CLFSUF4 \
  | 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: 6308b55519830aabbd4bbab42596542f01835f74029cb28ba4a1ad5149c7be29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d91c98a67574a07f3ce78244f20b0d1af9a4e6d991fec93c0cb749de592946c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-27T07:55:23Z",
    "title_canon_sha256": "1d8e48a32f04c91123e6136a2525f447b2f02510942ec6f99c5a8161d936dce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7094",
    "kind": "arxiv",
    "version": 1
  }
}