Pith Number

pith:R6V5ZHMN

pith:2013:R6V5ZHMNQHNFK5NNTTX7FTOUHE

not attested not anchored not stored refs pending

Identifying the Information Gain of a Quantum Measurement

Joseph M. Renes, Mario Berta, Mark M. Wilde

arxiv:1301.1594 v2 · 2013-01-08 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6V5ZHMNQHNFK5NNTTX7FTOUHE}

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	2026-05-18T02:33:01.587690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fabdc9d8d81da5575ad9ceff2cdd439384bff2e496e26a19334a3f104754a51

Aliases

arxiv: 1301.1594 · arxiv_version: 1301.1594v2 · doi: 10.48550/arxiv.1301.1594 · pith_short_12: R6V5ZHMNQHNF · pith_short_16: R6V5ZHMNQHNFK5NN · pith_short_8: R6V5ZHMN

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/R6V5ZHMNQHNFK5NNTTX7FTOUHE \
  | 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: 8fabdc9d8d81da5575ad9ceff2cdd439384bff2e496e26a19334a3f104754a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7432b01db0ce65821f7191b6238bbaf8264cb30a6c097cb90ccd5cd7a02d1e",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-08T17:03:50Z",
    "title_canon_sha256": "fb5de9739c413f5d1773c6f571afe2fa91be513e6efd2fb7b2559b04aab5447d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1594",
    "kind": "arxiv",
    "version": 2
  }
}