Pith Number

pith:2DYCY46X

pith:2012:2DYCY46XXGPJPPMNJ7TMJ6SADB

not attested not anchored not stored refs pending

The role of quantum discord in reduction of the lower bound of entropic uncertainty relation in presence of quantum memory

S. Mal, T. Pramanik

arxiv:1202.0939 v4 · 2012-02-05 · 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{2DYCY46XXGPJPPMNJ7TMJ6SADB}

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	2026-05-18T03:57:26.554903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f02c73d7b99e97bd8d4fe6c4fa4018794ce3a8e0c82df7c03f4ed369c8c738

Aliases

arxiv: 1202.0939 · arxiv_version: 1202.0939v4 · doi: 10.48550/arxiv.1202.0939 · pith_short_12: 2DYCY46XXGPJ · pith_short_16: 2DYCY46XXGPJPPMN · pith_short_8: 2DYCY46X

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/2DYCY46XXGPJPPMNJ7TMJ6SADB \
  | 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: d0f02c73d7b99e97bd8d4fe6c4fa4018794ce3a8e0c82df7c03f4ed369c8c738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "722d47893ee98efb43944c1975d418cc7379ed91f7db147d67f1b7757257f8c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-05T03:52:06Z",
    "title_canon_sha256": "fa39236f18ead2b948fc0e2bf8d66229e7143117cd994e02fcb3856d0a92e5d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0939",
    "kind": "arxiv",
    "version": 4
  }
}