Pith Number

pith:FXZAXU6H

pith:2020:FXZAXU6HOQARUVTKDCYGDO56SH

not attested not anchored not stored refs pending

Finite key effects in satellite quantum key distribution

Daniel K. L. Oi, Duncan McArthur, Jasminder S. Sidhu, Roberto G. Pousa, Thomas Brougham

arxiv:2012.07829 v2 · 2020-12-14 · 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{FXZAXU6HOQARUVTKDCYGDO56SH}

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	2026-07-05T02:34:30.841267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df20bd3c774011a566a18b061bbbe91ef9b9fb21eb396ddcce66991a9ea6ca8

Aliases

arxiv: 2012.07829 · arxiv_version: 2012.07829v2 · doi: 10.48550/arxiv.2012.07829 · pith_short_12: FXZAXU6HOQAR · pith_short_16: FXZAXU6HOQARUVTK · pith_short_8: FXZAXU6H

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/FXZAXU6HOQARUVTKDCYGDO56SH \
  | 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: 2df20bd3c774011a566a18b061bbbe91ef9b9fb21eb396ddcce66991a9ea6ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76734046f14e5c48a47222f6b3b82819a88ecd31518aefe8da16b8ed14cabfb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-14T18:59:30Z",
    "title_canon_sha256": "e63d8ddb2b5f25a5cddeb9f8fcfb169b079575b26c58c8c69ad6b69ec3ba36b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07829",
    "kind": "arxiv",
    "version": 2
  }
}