Pith Number

pith:JIUDEVZQ

pith:2021:JIUDEVZQ75KTDA6JV4D4BIADQX

not attested not anchored not stored refs pending

Practical quantum tokens without quantum memories and experimental tests

Adrian Kent, Dami\'an Pital\'ua-Garc\'ia, David Lowndes, John Rarity

arxiv:2104.11717 v4 · 2021-04-23 · 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{JIUDEVZQ75KTDA6JV4D4BIADQX}

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	2026-07-05T04:12:27.722496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a28325730ff553183c9af07c0a00385e66ba46edf36cbff687ba30ec8d9e4e0

Aliases

arxiv: 2104.11717 · arxiv_version: 2104.11717v4 · doi: 10.48550/arxiv.2104.11717 · pith_short_12: JIUDEVZQ75KT · pith_short_16: JIUDEVZQ75KTDA6J · pith_short_8: JIUDEVZQ

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/JIUDEVZQ75KTDA6JV4D4BIADQX \
  | 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: 4a28325730ff553183c9af07c0a00385e66ba46edf36cbff687ba30ec8d9e4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587198b9bdf3311fb8ebba42e79cb2307bef0481d17177d193d36dd1a89a8e4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-23T17:03:33Z",
    "title_canon_sha256": "0fdf39b010df92b381c68773134b496493804a5a985bb9c74842b453df4ad3cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11717",
    "kind": "arxiv",
    "version": 4
  }
}