Pith Number

pith:VRFQA4YB

pith:2019:VRFQA4YBC532CAXWIEBHSNX3B4

not attested not anchored not stored refs pending

Composable and Finite Computational Security of Quantum Message Transmission

Christopher Portmann, Fabio Banfi, Jiamin Zhu, Ueli Maurer

arxiv:1908.03436 v2 · 2019-08-09 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRFQA4YBC532CAXWIEBHSNX3B4}

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	2026-07-05T00:42:52.552498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac4b0073011777a102f641027936fb0f1b7f505a5739c9bf4dc3bfe8498add3e

Aliases

arxiv: 1908.03436 · arxiv_version: 1908.03436v2 · doi: 10.48550/arxiv.1908.03436 · pith_short_12: VRFQA4YBC532 · pith_short_16: VRFQA4YBC532CAXW · pith_short_8: VRFQA4YB

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/VRFQA4YBC532CAXWIEBHSNX3B4 \
  | 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: ac4b0073011777a102f641027936fb0f1b7f505a5739c9bf4dc3bfe8498add3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c1b3eea6932374b1a6bb4c20c5b457f6b8c3266837301a8f45b509210481c0e",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-09T12:37:31Z",
    "title_canon_sha256": "ce519a1f9f6510fe33eaef4baa35b845eaf960e2d37fb0cbe9a4f227ded79b5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03436",
    "kind": "arxiv",
    "version": 2
  }
}