Pith Number

pith:4BP6QEVT

pith:2023:4BP6QEVTNZ2NEA2K3PXHONSPFM

not attested not anchored not stored refs pending

Entanglement Purification of Hypergraph States

Lina Vandr\'e, Otfried G\"uhne

arxiv:2301.11341 v2 · 2023-01-26 · 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{4BP6QEVTNZ2NEA2K3PXHONSPFM}

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	2026-07-05T07:39:57.575156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05fe812b36e74d2034adbee77364f2b0345a9b00a2fc2d5c45cc063139cefa3

Aliases

arxiv: 2301.11341 · arxiv_version: 2301.11341v2 · doi: 10.48550/arxiv.2301.11341 · pith_short_12: 4BP6QEVTNZ2N · pith_short_16: 4BP6QEVTNZ2NEA2K · pith_short_8: 4BP6QEVT

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/4BP6QEVTNZ2NEA2K3PXHONSPFM \
  | 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: e05fe812b36e74d2034adbee77364f2b0345a9b00a2fc2d5c45cc063139cefa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c31c3b7062465a7a6d77a7b10ff5fb80122a260ae445c73ac97551860eeccb6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-26T19:00:01Z",
    "title_canon_sha256": "3dff25ca058f99fc620119cb4e96851460cc3e55e6a766504b090288e98ecddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11341",
    "kind": "arxiv",
    "version": 2
  }
}