Pith Number

pith:5RS4ASND

pith:2014:5RS4ASNDZQDXJW6AOJJOMBWWUI

not attested not anchored not stored refs pending

Measurement-device-independent quantum cryptography

Bing Qi, Feihu Xu, Hoi-Kwong Lo, Marcos Curty

arxiv:1409.5157 v2 · 2014-09-17 · 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{5RS4ASNDZQDXJW6AOJJOMBWWUI}

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	2026-05-18T02:29:52.818457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5

Aliases

arxiv: 1409.5157 · arxiv_version: 1409.5157v2 · doi: 10.48550/arxiv.1409.5157 · pith_short_12: 5RS4ASNDZQDX · pith_short_16: 5RS4ASNDZQDXJW6A · pith_short_8: 5RS4ASND

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/5RS4ASNDZQDXJW6AOJJOMBWWUI \
  | 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: ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67b70752e180182077753d7064123729ad34143714111423c35798f4af353990",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-17T22:02:50Z",
    "title_canon_sha256": "a59f305a2793889a1330d88b104a442c1fb0db026ad9cb179581cb1d378fc330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5157",
    "kind": "arxiv",
    "version": 2
  }
}