Pith Number

pith:E6HDXLXU

pith:2017:E6HDXLXU5YUORF5UL6SLA76MBZ

not attested not anchored not stored refs pending

Direct measurement of the quantum state of photons in a cavity

Cheng Zhang, Lupei Qin, Xin-Qi Li, Zhong Wang

arxiv:1706.07150 v4 · 2017-06-22 · 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{E6HDXLXU5YUORF5UL6SLA76MBZ}

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	2026-05-17T23:48:02.357616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

278e3baef4ee28e897b45fa4b07fcc0e7cc9d2ffeb5a9c43db67737dc11c3720

Aliases

arxiv: 1706.07150 · arxiv_version: 1706.07150v4 · doi: 10.48550/arxiv.1706.07150 · pith_short_12: E6HDXLXU5YUO · pith_short_16: E6HDXLXU5YUORF5U · pith_short_8: E6HDXLXU

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/E6HDXLXU5YUORF5UL6SLA76MBZ \
  | 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: 278e3baef4ee28e897b45fa4b07fcc0e7cc9d2ffeb5a9c43db67737dc11c3720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5a7303539cf64b189c72ca6814218cae417ff6247a13533bf9af66269e7407",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-22T02:27:47Z",
    "title_canon_sha256": "38ea92686f56092a6250a952055f6ab5deb869142d07e7a5c7a95dcaff3b2f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07150",
    "kind": "arxiv",
    "version": 4
  }
}