Pith Number

pith:ZEQ2GM4R

pith:2011:ZEQ2GM4RRBPLX34KCH26J336SK

not attested not anchored not stored refs pending

Using technical noise to increase the signal-to-noise ratio, via imaginary weak values

Yaron Kedem

arxiv:1111.5523 v2 · 2011-11-23 · quant-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEQ2GM4RRBPLX34KCH26J336SK}

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	2026-05-18T02:47:41.492387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c921a33391885ebbef8a11f5e4ef7e92be49e209824c538d29e05423abbe0646

Aliases

arxiv: 1111.5523 · arxiv_version: 1111.5523v2 · doi: 10.48550/arxiv.1111.5523 · pith_short_12: ZEQ2GM4RRBPL · pith_short_16: ZEQ2GM4RRBPLX34K · pith_short_8: ZEQ2GM4R

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/ZEQ2GM4RRBPLX34KCH26J336SK \
  | 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: c921a33391885ebbef8a11f5e4ef7e92be49e209824c538d29e05423abbe0646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449b706ab9fbadb7eed52ab96ed1ff389f585855b996cd41fafa1b97ccfd6efb",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-23T15:18:59Z",
    "title_canon_sha256": "72727294d56ed6eb4d891369bfe7bef45c822c67c3af6993c8fe7bb637a9eb49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5523",
    "kind": "arxiv",
    "version": 2
  }
}