Pith Number

pith:WF6VODHV

pith:2016:WF6VODHV6L26JTHMMBTP2FY67A

not attested not anchored not stored refs pending

Heisenberg-scaling measurement of the single-photon Kerr non-linearity using mixed states

Chuan-Feng Li, De-Yong He, Geng Chen, Guang-Can Guo, Jian-Shun Tang, Nati Aharon, Wen-Hao Zhang, Yaron Kedem, Yong-nan Sun, Zi-Huai Zhang

arxiv:1612.07427 v4 · 2016-12-22 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WF6VODHV6L26JTHMMBTP2FY67A}

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	2026-05-17T23:51:26.282858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17d570cf5f2f5e4ccec6066fd171ef83e6cf16c5fd904309c4bc68d6726739f

Aliases

arxiv: 1612.07427 · arxiv_version: 1612.07427v4 · doi: 10.48550/arxiv.1612.07427 · pith_short_12: WF6VODHV6L26 · pith_short_16: WF6VODHV6L26JTHM · pith_short_8: WF6VODHV

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/WF6VODHV6L26JTHMMBTP2FY67A \
  | 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: b17d570cf5f2f5e4ccec6066fd171ef83e6cf16c5fd904309c4bc68d6726739f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d35ad703d6f2e3b4a3cb3906f0dcf18f593b6c604bb2d410b475e5911572f9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-22T03:15:34Z",
    "title_canon_sha256": "a6d353e4549315d54ed487eb0759becd22f501af0f9f27a27cf25db3bfb10d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07427",
    "kind": "arxiv",
    "version": 4
  }
}