Pith Number

pith:US5F5KZG

pith:2011:US5F5KZGG3CNQWZLKIT777P755

not attested not anchored not stored refs pending

The geometry of von-Neumann's pre-measurement and weak values

A. C. Lobo, C. A. Ribeiro

arxiv:1111.4205 v2 · 2011-11-17 · 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{US5F5KZGG3CNQWZLKIT777P755}

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	2026-05-18T03:46:59.095363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ba5eab2636c4d85b2b5227fffdffef67cf13de4355f56906a40316bea01a01

Aliases

arxiv: 1111.4205 · arxiv_version: 1111.4205v2 · doi: 10.48550/arxiv.1111.4205 · pith_short_12: US5F5KZGG3CN · pith_short_16: US5F5KZGG3CNQWZL · pith_short_8: US5F5KZG

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/US5F5KZGG3CNQWZLKIT777P755 \
  | 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: a4ba5eab2636c4d85b2b5227fffdffef67cf13de4355f56906a40316bea01a01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "921119fdc47b0f16016fdfb9a6500a66ad8f7cde0a4e5fed137c5d8dac7a3b0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-17T20:45:17Z",
    "title_canon_sha256": "e3aacc1160973fb7d6a1d8b43f207152250f8e6a6ef13e5b7ea463013a7571a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4205",
    "kind": "arxiv",
    "version": 2
  }
}