Pith Number

pith:QKYFECB7

pith:2022:QKYFECB7F4S2ZNNZFKSMWSBSZA

not attested not anchored not stored refs pending

Local PT-symmetric evolutions on separable states and violation of no-signaling

Asmita Kumari, Ujjwal Sen

arxiv:2202.02744 v1 · 2022-02-06 · 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{QKYFECB7F4S2ZNNZFKSMWSBSZA}

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	2026-07-05T03:54:32.522757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b052083f2f25acb5b92aa4cb4832c834ce848362a23502beb9fec6b012b870

Aliases

arxiv: 2202.02744 · arxiv_version: 2202.02744v1 · doi: 10.48550/arxiv.2202.02744 · pith_short_12: QKYFECB7F4S2 · pith_short_16: QKYFECB7F4S2ZNNZ · pith_short_8: QKYFECB7

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/QKYFECB7F4S2ZNNZFKSMWSBSZA \
  | 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: 82b052083f2f25acb5b92aa4cb4832c834ce848362a23502beb9fec6b012b870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87531c3442ecc0acf2b3eeb389618e84b72f7f8d42a268ee9aa49069402727de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-06T09:26:39Z",
    "title_canon_sha256": "fdf3d7b168b0b8b6d1cef336125f0d11e3e95e35cf1ed1810da01b954b06b48e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02744",
    "kind": "arxiv",
    "version": 1
  }
}