Pith Number

pith:KV6KRRH7

pith:2010:KV6KRRH7RRBKY7JW75DDDFX74X

not attested not anchored not stored refs pending

Distinguishing quantum channels via magic squares game

M. K. Khan, M. Ramzan

arxiv:1001.0295 v1 · 2010-01-02 · 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{KV6KRRH7RRBKY7JW75DDDFX74X}

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	2026-05-18T04:31:11.940738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557ca8c4ff8c42ac7d36ff463196ffe5c4d913190bb204cc062ad12f6473814e

Aliases

arxiv: 1001.0295 · arxiv_version: 1001.0295v1 · doi: 10.48550/arxiv.1001.0295 · pith_short_12: KV6KRRH7RRBK · pith_short_16: KV6KRRH7RRBKY7JW · pith_short_8: KV6KRRH7

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/KV6KRRH7RRBKY7JW75DDDFX74X \
  | 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: 557ca8c4ff8c42ac7d36ff463196ffe5c4d913190bb204cc062ad12f6473814e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a8408e5860124202f97a0cd6b1696eb7afe42775e213002696d3351eb04ed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-02T11:13:27Z",
    "title_canon_sha256": "10460c6cd489b0eef56865b73861b5016bcea37a54682c96c8ee5c14267836c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0295",
    "kind": "arxiv",
    "version": 1
  }
}