Pith Number

pith:MBT6VGMR

pith:2020:MBT6VGMRED34XGZJEIWQINDQQ6

not attested not anchored not stored refs pending

Improved DIQKD protocols with finite-size analysis

Charles C.-W. Lim, Ernest Y.-Z. Tan, Jean-Daniel Bancal, Nicolas Sangouard, Pavel Sekatski, Renato Renner, Ren\'e Schwonnek

arxiv:2012.08714 v5 · 2020-12-16 · 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{MBT6VGMRED34XGZJEIWQINDQQ6}

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	2026-07-05T06:33:38.758400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6067ea999120f7cb9b29222d04347087bfc6187624418a457c6b5bf78d593415

Aliases

arxiv: 2012.08714 · arxiv_version: 2012.08714v5 · doi: 10.48550/arxiv.2012.08714 · pith_short_12: MBT6VGMRED34 · pith_short_16: MBT6VGMRED34XGZJ · pith_short_8: MBT6VGMR

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/MBT6VGMRED34XGZJEIWQINDQQ6 \
  | 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: 6067ea999120f7cb9b29222d04347087bfc6187624418a457c6b5bf78d593415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f152b8068c9bd4214be72e02c2550e333f3c8d33aaa6c8db81d148026fd2b7de",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-16T03:04:19Z",
    "title_canon_sha256": "0eb2ddb1de5d990a657c0b7b1edfd1e2fd894d30140a96d3780a33b8fa8ef456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08714",
    "kind": "arxiv",
    "version": 5
  }
}