Pith Number

pith:CEQ2R2OF

pith:2022:CEQ2R2OF5ZG5IBRG3JFUGDT6ZR

not attested not anchored not stored refs pending

Quantum networks self-test all entangled states

Antonio Ac\'in, Ivan \v{S}upi\'c, Joseph Bowles, Marc-Olivier Renou, Matty J. Hoban

arxiv:2201.05032 v1 · 2022-01-13 · 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{CEQ2R2OF5ZG5IBRG3JFUGDT6ZR}

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	2026-07-05T05:59:32.300995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1121a8e9c5ee4dd40626da4b430e7ecc440c9bf9e209a9a4c6ce5a75c407db6d

Aliases

arxiv: 2201.05032 · arxiv_version: 2201.05032v1 · doi: 10.48550/arxiv.2201.05032 · pith_short_12: CEQ2R2OF5ZG5 · pith_short_16: CEQ2R2OF5ZG5IBRG · pith_short_8: CEQ2R2OF

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/CEQ2R2OF5ZG5IBRG3JFUGDT6ZR \
  | 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: 1121a8e9c5ee4dd40626da4b430e7ecc440c9bf9e209a9a4c6ce5a75c407db6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92ce4a4002b76057f132e16c184f850f5032ee726ae4de03ba9f515dd18a203",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-13T15:38:12Z",
    "title_canon_sha256": "c5d93a86b8e7ca57d6b7082f979de7138fea8eb7675b7a83731d4d5c578f7e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05032",
    "kind": "arxiv",
    "version": 1
  }
}