Pith Number

pith:WUNDFJIQ

pith:2018:WUNDFJIQUQQ6KEWHN66GV2H2EX

not attested not anchored not stored refs pending

Quantum communication protocols by quantum walks with two coins

Meng Li, Ruqian Lu, Yun Shang, Yu Wang

arxiv:1802.02400 v2 · 2018-02-07 · 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{WUNDFJIQUQQ6KEWHN66GV2H2EX}

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	2026-05-18T00:24:03.651060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b51a32a510a421e512c76fbc6ae8fa25c4b0b60511e43033a26ce7a6ea2294f7

Aliases

arxiv: 1802.02400 · arxiv_version: 1802.02400v2 · doi: 10.48550/arxiv.1802.02400 · pith_short_12: WUNDFJIQUQQ6 · pith_short_16: WUNDFJIQUQQ6KEWH · pith_short_8: WUNDFJIQ

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/WUNDFJIQUQQ6KEWHN66GV2H2EX \
  | 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: b51a32a510a421e512c76fbc6ae8fa25c4b0b60511e43033a26ce7a6ea2294f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28c0d0f3c64855a549388c6c9c26a83128dbb08a8ce5cc84a813820e627ee3e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-07T12:29:47Z",
    "title_canon_sha256": "d9653cca77c150b26c878ee0c989ddd5a3ffa830858db1f228375fb2f607c640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02400",
    "kind": "arxiv",
    "version": 2
  }
}