Pith Number

pith:A4IVXS3Z

pith:2026:A4IVXS3ZXPTFURJHWDMRMKTPYC

not attested not anchored not stored refs pending

Observation of residual entanglement in chip-based entanglement purification

Caterina Vigliar, Karsten Rottwitt, Leif Katsuo Oxenl{\o}we, Mujtaba Zahidy, Siyan Zhou, YongHe Yu, Yunhong Ding

arxiv:2606.03343 v1 · 2026-06-02 · 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{A4IVXS3ZXPTFURJHWDMRMKTPYC}

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	2026-06-03T01:05:55.528646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07115bcb79bbe65a4527b0d9162a6fc093604a27c5336509a97789bca8cf7d0e

Aliases

arxiv: 2606.03343 · arxiv_version: 2606.03343v1 · doi: 10.48550/arxiv.2606.03343 · pith_short_12: A4IVXS3ZXPTF · pith_short_16: A4IVXS3ZXPTFURJH · pith_short_8: A4IVXS3Z

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/A4IVXS3ZXPTFURJHWDMRMKTPYC \
  | 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: 07115bcb79bbe65a4527b0d9162a6fc093604a27c5336509a97789bca8cf7d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea418f1717531c2adc9f64bbd67ac36107b94061c523d1808ae75f2b139e4d38",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-02T08:53:56Z",
    "title_canon_sha256": "5ba44a2387822d166f410e01fdb98b08d062df3704a2f31ffafe7d66c65cfd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03343",
    "kind": "arxiv",
    "version": 1
  }
}