Pith Number

pith:VUUBEV2F

pith:2018:VUUBEV2FOTTXH4EC7BJAFWZ5KE

not attested not anchored not stored refs pending

Quantum process tomography with Heisenberg scaling based on Gaussian state and binary detection

Jian-dong Zhang, Long-Zhu Cen, Yuan Zhao, Zi-Jing Zhang

arxiv:1806.09881 v1 · 2018-06-26 · 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{VUUBEV2FOTTXH4EC7BJAFWZ5KE}

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	2026-05-18T00:12:23.016724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2812574574e773f082f85202db3d512eb01c3a3e406d9af7f935fe663467a6

Aliases

arxiv: 1806.09881 · arxiv_version: 1806.09881v1 · doi: 10.48550/arxiv.1806.09881 · pith_short_12: VUUBEV2FOTTX · pith_short_16: VUUBEV2FOTTXH4EC · pith_short_8: VUUBEV2F

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/VUUBEV2FOTTXH4EC7BJAFWZ5KE \
  | 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: ad2812574574e773f082f85202db3d512eb01c3a3e406d9af7f935fe663467a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf487e0a6c9a903cdb9ab0814c6245ad3acd4316905083ae551d40b02ee9620",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-26T09:56:15Z",
    "title_canon_sha256": "1e67962814e8ce27859c748b22f5857b52aca00f9407c84393253eb30030765f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09881",
    "kind": "arxiv",
    "version": 1
  }
}