Pith Number

pith:6DH6HVPQ

pith:2016:6DH6HVPQLEKM5T337ITVO2QFPQ

not attested not anchored not stored refs pending

Full reconstruction of a 14-qubit state within four hours

Bo Qi, Chuan-Feng Li, Daoyi Dong, Franco Nori, Guang-Can Guo, Guo-Yong Xiang, Han-Sen Zhong, Li Li, Ye Tian, Yuanlong Wang, Zhibo Hou

arxiv:1602.08604 v2 · 2016-02-27 · 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{6DH6HVPQLEKM5T337ITVO2QFPQ}

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	2026-05-18T01:04:09.191959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0cfe3d5f05914cecf7bfa27576a057c28d13485b2ced9db4b9f2fc3d411cda5

Aliases

arxiv: 1602.08604 · arxiv_version: 1602.08604v2 · doi: 10.48550/arxiv.1602.08604 · pith_short_12: 6DH6HVPQLEKM · pith_short_16: 6DH6HVPQLEKM5T33 · pith_short_8: 6DH6HVPQ

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/6DH6HVPQLEKM5T337ITVO2QFPQ \
  | 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: f0cfe3d5f05914cecf7bfa27576a057c28d13485b2ced9db4b9f2fc3d411cda5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "712c9462d6486fec142ddf36ce7b5dcfba8a5148cbd85488788767c4a0b27d4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-27T15:34:26Z",
    "title_canon_sha256": "176c084babecfa91cc272935f340fe02a6bec963d96e9f6a2a4b83937eba06f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08604",
    "kind": "arxiv",
    "version": 2
  }
}