Pith Number

pith:BFUIYQRB

pith:2013:BFUIYQRB5PSSLI7GVT5WEKEFHI

not attested not anchored not stored refs pending

Lower bound of quantum uncertainty from extractable classical information

A. S. Majumdar, S. Mal, T. Pramanik

arxiv:1304.4506 v4 · 2013-04-16 · 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{BFUIYQRB5PSSLI7GVT5WEKEFHI}

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	2026-05-18T01:11:13.866441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09688c4221ebe525a3e6acfb6228853a0cde23ecc20eb15940ac0b0185917059

Aliases

arxiv: 1304.4506 · arxiv_version: 1304.4506v4 · doi: 10.48550/arxiv.1304.4506 · pith_short_12: BFUIYQRB5PSS · pith_short_16: BFUIYQRB5PSSLI7G · pith_short_8: BFUIYQRB

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/BFUIYQRB5PSSLI7GVT5WEKEFHI \
  | 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: 09688c4221ebe525a3e6acfb6228853a0cde23ecc20eb15940ac0b0185917059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89f519a4597f493313c51e77fd458c42d20693622e9543ac560e799d298acb63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-16T16:10:14Z",
    "title_canon_sha256": "ca3fdb3f16273e0c2cd48c6c852edd5219aca046bea68e11d5521d28041b23db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4506",
    "kind": "arxiv",
    "version": 4
  }
}