Pith Number

pith:42BV2WRN

pith:2016:42BV2WRNPFS7FLK7KM6WZ4DSGX

not attested not anchored not stored refs pending

Improved Uncertainty Relation in the Presence of Quantum Memory

Naihuan Jing, Shao-Ming Fei, Xianqing Li-Jost, Yunlong Xiao

arxiv:1604.04944 v2 · 2016-04-18 · 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{42BV2WRNPFS7FLK7KM6WZ4DSGX}

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	2026-05-18T00:58:04.196779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6835d5a2d7965f2ad5f533d6cf07235ce2b5e38a189f994b0325384764c1af1

Aliases

arxiv: 1604.04944 · arxiv_version: 1604.04944v2 · doi: 10.48550/arxiv.1604.04944 · pith_short_12: 42BV2WRNPFS7 · pith_short_16: 42BV2WRNPFS7FLK7 · pith_short_8: 42BV2WRN

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/42BV2WRNPFS7FLK7KM6WZ4DSGX \
  | 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: e6835d5a2d7965f2ad5f533d6cf07235ce2b5e38a189f994b0325384764c1af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f80ad717ff9162618aa7d9cf1e0bee7db5968da0ea08d70d95a6a5718d560098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-18T00:20:34Z",
    "title_canon_sha256": "e76468ffbb46d2f344324ebd4bf5440b76b160e28dadf218bc3585f44d4cbd83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04944",
    "kind": "arxiv",
    "version": 2
  }
}