pith. sign in
Pith Number

pith:JI3TIGF4

pith:2016:JI3TIGF4O3UTQCJUMJIIGKPFKT
not attested not anchored not stored refs pending

Ultrafine Entanglement Witnessing

Farid Shahandeh, Juan C. Loredo, Martin Ringbauer, Timothy C. Ralph

arxiv:1610.04244 v1 · 2016-10-13 · quant-ph · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JI3TIGF4O3UTQCJUMJIIGKPFKT}

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 2026-05-18T00:48:16.784646Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4a373418bc76e938093462508329e554f8604d37f4717e97849f6919fcec73fa

Aliases

arxiv: 1610.04244 · arxiv_version: 1610.04244v1 · doi: 10.48550/arxiv.1610.04244 · pith_short_12: JI3TIGF4O3UT · pith_short_16: JI3TIGF4O3UTQCJU · pith_short_8: JI3TIGF4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JI3TIGF4O3UTQCJUMJIIGKPFKT \
  | 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: 4a373418bc76e938093462508329e554f8604d37f4717e97849f6919fcec73fa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bed020fa46a359f3c41f43a0b159fed1503880abd40e005353923b1a882000b3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-13T20:02:12Z",
    "title_canon_sha256": "ed3da9a46b7a347c5062a8743d9db77f8268620655cb5739df74cc7f5d2e3b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04244",
    "kind": "arxiv",
    "version": 1
  }
}