Pith Number

pith:W5GELY3A

pith:2011:W5GELY3AKCC4JNF2KPBNQCVR2L

not attested not anchored not stored refs pending

Certifying entangled measurements in known Hilbert spaces

Miguel Navascues, Tamas Vertesi

arxiv:1101.5361 v2 · 2011-01-27 · 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{W5GELY3AKCC4JNF2KPBNQCVR2L}

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	2026-05-18T02:03:21.224170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b74c45e3605085c4b4ba53c2d80ab1d2ff7d63ae87f393426323eb68672e056e

Aliases

arxiv: 1101.5361 · arxiv_version: 1101.5361v2 · doi: 10.48550/arxiv.1101.5361 · pith_short_12: W5GELY3AKCC4 · pith_short_16: W5GELY3AKCC4JNF2 · pith_short_8: W5GELY3A

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/W5GELY3AKCC4JNF2KPBNQCVR2L \
  | 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: b74c45e3605085c4b4ba53c2d80ab1d2ff7d63ae87f393426323eb68672e056e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f84e7e28165c2d638bc66687c34ecd85caebdb43f242655b3506d21c96afe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-01-27T19:16:59Z",
    "title_canon_sha256": "0d1a2014f629c487659b9c520590855538694507d9f3a1ce5379627ecd2282eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5361",
    "kind": "arxiv",
    "version": 2
  }
}