Pith Number

pith:OAGJZZ24

pith:2001:OAGJZZ24B66VHO3TKRP67I35O2

not attested not anchored not stored refs pending

Instantaneous measurement of non-local variables

Lev Vaidman

arxiv:quant-ph/0111124 v2 · 2001-11-23 · 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{OAGJZZ24B66VHO3TKRP67I35O2}

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	2026-05-18T03:24:20.426480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

700c9ce75c0fbd53bb73545fefa37d76ac9caac85fee5eeb4dee05daae958241

Aliases

arxiv: quant-ph/0111124 · arxiv_version: quant-ph/0111124v2 · doi: 10.48550/arxiv.quant-ph/0111124 · pith_short_12: OAGJZZ24B66V · pith_short_16: OAGJZZ24B66VHO3T · pith_short_8: OAGJZZ24

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/OAGJZZ24B66VHO3TKRP67I35O2 \
  | 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: 700c9ce75c0fbd53bb73545fefa37d76ac9caac85fee5eeb4dee05daae958241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0012bada37453f8218043b96d7722b5516e218f3e79dab08c777f23257b7096e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-11-23T09:57:06Z",
    "title_canon_sha256": "9467662b60ba04c4e0c6d6094844d8693df5a007ad370f570c9b5b9e158c4500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0111124",
    "kind": "arxiv",
    "version": 2
  }
}