Pith Number

pith:4ATP2HTD

pith:2017:4ATP2HTDYCF5HVTDJVN62T7IPP

not attested not anchored not stored refs pending

Measurement-Device-Independent Quantum Digital Signatures

Erika Andersson, Ittoop Vergheese Puthoor, Marcos Curty, Petros Wallden, Ryan Amiri

arxiv:1704.07178 v1 · 2017-04-24 · 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{4ATP2HTDYCF5HVTDJVN62T7IPP}

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	2026-05-18T00:45:53.334741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e026fd1e63c08bd3d6634d5bed4fe87bd742f89c5910bef5436b4e0b42e0efe6

Aliases

arxiv: 1704.07178 · arxiv_version: 1704.07178v1 · doi: 10.48550/arxiv.1704.07178 · pith_short_12: 4ATP2HTDYCF5 · pith_short_16: 4ATP2HTDYCF5HVTD · pith_short_8: 4ATP2HTD

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/4ATP2HTDYCF5HVTDJVN62T7IPP \
  | 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: e026fd1e63c08bd3d6634d5bed4fe87bd742f89c5910bef5436b4e0b42e0efe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62d12cc34326faff4df83e30dafee48560ee14a8264c37641e6722969b53314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-24T12:36:06Z",
    "title_canon_sha256": "c1e9fb61dee458020d7c180f7f93d257465286a9a8638cb1af20f317330b6608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07178",
    "kind": "arxiv",
    "version": 1
  }
}