Pith Number

pith:4NIHSB5Y

pith:2023:4NIHSB5Y4VGJH6LIJFISLZJ7PJ

not attested not anchored not stored refs pending

Measurement operator for quantum nondemolition measurements

Bede C. Anusionwu, Ebubechukwu O. Ilo-Okeke, Ping Chen, Shuang Li, Tim Byrnes, Valentin Ivannikov

arxiv:2301.05910 v1 · 2023-01-14 · 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{4NIHSB5Y4VGJH6LIJFISLZJ7PJ}

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	2026-07-05T05:33:25.571458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3507907b8e54c93f968495125e53f7a5c500db74b2f13020f7d2d7b83093cb8

Aliases

arxiv: 2301.05910 · arxiv_version: 2301.05910v1 · doi: 10.48550/arxiv.2301.05910 · pith_short_12: 4NIHSB5Y4VGJ · pith_short_16: 4NIHSB5Y4VGJH6LI · pith_short_8: 4NIHSB5Y

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/4NIHSB5Y4VGJH6LIJFISLZJ7PJ \
  | 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: e3507907b8e54c93f968495125e53f7a5c500db74b2f13020f7d2d7b83093cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9590d1d343f3480fae7e2181732313b0e7d2fed04a6290789e01ba32750fdf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-14T12:40:50Z",
    "title_canon_sha256": "041b719e50480a99be28b72cb7a4c440b3146e4f88146e0771f89cc899ce8ef3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05910",
    "kind": "arxiv",
    "version": 1
  }
}