Pith Number

pith:BOCRKOFB

pith:1999:BOCRKOFBYYHYDTK4KYDNIBKBRI

not attested not anchored not stored refs pending

High-efficiency quantum interrogation measurements via the quantum Zeno effect

A. G. White (1), A. Zeilinger (2) ((1) Los Alamos National Laboratory (2) University of Innsbruck), G. Weihs (2), H. Weinfurter (2), J. R. Mitchell (1), O. Nairz (2), P. G. Kwiat (1)

arxiv:quant-ph/9909083 v1 · 1999-09-27 · 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{BOCRKOFBYYHYDTK4KYDNIBKBRI}

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.

Cited by

1 paper in Pith

Counterfactual Quantum Sensing: What Interaction-Free Measurement Can and Cannot Buy

Receipt and verification

First computed	2026-07-04T16:16:25.025386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b851538a1c60f81cd5c5606d405418a2b9033422e600a28cda974d4c2c148f4

Aliases

arxiv: quant-ph/9909083 · arxiv_version: quant-ph/9909083v1 · doi: 10.48550/arxiv.quant-ph/9909083 · pith_short_12: BOCRKOFBYYHY · pith_short_16: BOCRKOFBYYHYDTK4 · pith_short_8: BOCRKOFB

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/BOCRKOFBYYHYDTK4KYDNIBKBRI \
  | 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: 0b851538a1c60f81cd5c5606d405418a2b9033422e600a28cda974d4c2c148f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f9391d9bc5af9a7c080d29104d8fdafdc106a6b626abac26b501d1798f09e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-09-27T16:52:07Z",
    "title_canon_sha256": "e0a0f08ba7201ad87373b916a7197ccaebbf214f49ec5a42d17643ef0e35a0f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9909083",
    "kind": "arxiv",
    "version": 1
  }
}