Pith Number

pith:ENZOM3I2

pith:2020:ENZOM3I27DF2PCVSKPN66VCTZC

not attested not anchored not stored refs pending

Self-testing of a single quantum device under computational assumptions

Thomas Vidick, Tony Metger

arxiv:2001.09161 v4 · 2020-01-24 · 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{ENZOM3I27DF2PCVSKPN66VCTZC}

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	2026-07-05T04:23:33.525929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2372e66d1af8cba78ab253dbef5453c890f097f338f7fa2d303a772464cccc54

Aliases

arxiv: 2001.09161 · arxiv_version: 2001.09161v4 · doi: 10.48550/arxiv.2001.09161 · pith_short_12: ENZOM3I27DF2 · pith_short_16: ENZOM3I27DF2PCVS · pith_short_8: ENZOM3I2

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/ENZOM3I27DF2PCVSKPN66VCTZC \
  | 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: 2372e66d1af8cba78ab253dbef5453c890f097f338f7fa2d303a772464cccc54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "737c46dcacf2477095ece56d4507b9d452fdf797089515ff4e7b594c38dbd96e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-01-24T19:00:15Z",
    "title_canon_sha256": "1db3271f1b2dd2f0f03698607e62fd43c177160dd8a338c493115c5c44a9e45c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09161",
    "kind": "arxiv",
    "version": 4
  }
}