Pith Number

pith:4Q7UOKOJ

pith:2025:4Q7UOKOJC6JUYIHLL566OXGHE6

not attested not anchored not stored refs pending

An Overview of CV-MDI-QKD

Adnan A. E. Hajomer, Alasdair I. Fletcher, Alexandros Mountogiannakis, Cillian Harney, Gaetana Spedalieri, Masoud Ghalaii, Panagiotis Papanastasiou, Stefano Pirandola, Tobias Gehring

arxiv:2501.09818 v3 · 2025-01-16 · quant-ph · cond-mat.other · physics.app-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Q7UOKOJC6JUYIHLL566OXGHE6}

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	2026-07-05T11:49:50.007482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43f4729c917934c20eb5f7de75cc727ab3cd0a3f0b6f0c3c75bd89513fbc3b3

Aliases

arxiv: 2501.09818 · arxiv_version: 2501.09818v3 · doi: 10.48550/arxiv.2501.09818 · pith_short_12: 4Q7UOKOJC6JU · pith_short_16: 4Q7UOKOJC6JUYIHL · pith_short_8: 4Q7UOKOJ

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/4Q7UOKOJC6JUYIHLL566OXGHE6 \
  | 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: e43f4729c917934c20eb5f7de75cc727ab3cd0a3f0b6f0c3c75bd89513fbc3b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bfb6f466e3e22597805701622c080500ea381b3f89bde8221d8b94fdffee74",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-16T20:09:23Z",
    "title_canon_sha256": "a657eec6d2e7b9c61953ad6725f880c6eacce7122114f289b7b5c0aa88fe5350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09818",
    "kind": "arxiv",
    "version": 3
  }
}