Pith Number

pith:IQSM2MQK

pith:2018:IQSM2MQK45C5YKJUQOZ7RVC6JI

not attested not anchored not stored refs pending

Experimental measurement of nonlinear entanglement witness by hyper-entangling two-qubit states

Anton\'in \v{C}ernoch, Karel Lemr, Karol Bartkiewicz, Vojt\v{e}ch Tr\'avn\'i\v{c}ek

arxiv:1805.11337 v1 · 2018-05-29 · 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{IQSM2MQK45C5YKJUQOZ7RVC6JI}

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	2026-05-18T00:06:01.910671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4424cd320ae745dc293483b3f8d45e4a0a8a2df71018219ad58e53f73d0cffbd

Aliases

arxiv: 1805.11337 · arxiv_version: 1805.11337v1 · doi: 10.48550/arxiv.1805.11337 · pith_short_12: IQSM2MQK45C5 · pith_short_16: IQSM2MQK45C5YKJU · pith_short_8: IQSM2MQK

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/IQSM2MQK45C5YKJUQOZ7RVC6JI \
  | 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: 4424cd320ae745dc293483b3f8d45e4a0a8a2df71018219ad58e53f73d0cffbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f3e6fea731aee6d519ec4e4e85b6d9f233abaa9f029c555967ad76667d6816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-29T10:03:06Z",
    "title_canon_sha256": "0e530f106d613c4007153ce50e7d727cf50eed7b0ca2d4ec84caefd491224bfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11337",
    "kind": "arxiv",
    "version": 1
  }
}