Pith Number

pith:YRDOQKNN

pith:2024:YRDOQKNNFZRUSGIF3ZJWFWGDNJ

not attested not anchored not stored refs pending

No-Go Theorems for Universal Entanglement Purification

Allen Zang, Eric Chitambar, Martin Suchara, Tian Zhong, Xinan Chen

arxiv:2407.21760 v2 · 2024-07-31 · 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{YRDOQKNNFZRUSGIF3ZJWFWGDNJ}

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.

Cited by

1 paper in Pith

Design and Simulation of the Adaptive Continuous Entanglement Generation Protocol

Receipt and verification

First computed	2026-07-05T11:35:29.705598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c446e829ad2e63491905de5362d8c36a70820078027906de65d9c40c12ec6c16

Aliases

arxiv: 2407.21760 · arxiv_version: 2407.21760v2 · doi: 10.48550/arxiv.2407.21760 · pith_short_12: YRDOQKNNFZRU · pith_short_16: YRDOQKNNFZRUSGIF · pith_short_8: YRDOQKNN

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/YRDOQKNNFZRUSGIF3ZJWFWGDNJ \
  | 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: c446e829ad2e63491905de5362d8c36a70820078027906de65d9c40c12ec6c16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c73e2a207d53c703e7a1f656c897aaf47d07c270c5c031408efa85a3df13266",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-07-31T17:29:15Z",
    "title_canon_sha256": "a3d4996c513bdad0dacbb58119fc90c0655db09a1ed29cb8cd86f6d76c901997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.21760",
    "kind": "arxiv",
    "version": 2
  }
}