Pith Number

pith:UF3BOXLZ

pith:2012:UF3BOXLZAOGQ3ZXLZP4FMUYPZ4

not attested not anchored not stored refs pending

Experimental Investigation of the Evolution of Gaussian Quantum Discord in an Open System

Adriano Berni, Lars S. Madsen, Mikael Lassen, Ulrik L. Andersen

arxiv:1204.2738 v1 · 2012-04-12 · 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{UF3BOXLZAOGQ3ZXLZP4FMUYPZ4}

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	2026-05-18T03:49:00.882851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a176175d79038d0de6ebcbf856530fcf05abc98b78fbfbdee2adf39858ef758b

Aliases

arxiv: 1204.2738 · arxiv_version: 1204.2738v1 · doi: 10.48550/arxiv.1204.2738 · pith_short_12: UF3BOXLZAOGQ · pith_short_16: UF3BOXLZAOGQ3ZXL · pith_short_8: UF3BOXLZ

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/UF3BOXLZAOGQ3ZXLZP4FMUYPZ4 \
  | 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: a176175d79038d0de6ebcbf856530fcf05abc98b78fbfbdee2adf39858ef758b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c34eccd0af4ff1df5dcab16a4a8ce60757957eaec770376f2a6dd8418f2b262",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-12T14:34:13Z",
    "title_canon_sha256": "593d7df317ae0478c96d70d2a9da3a6c80b8399db896c7051cf3659cfc4e605e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2738",
    "kind": "arxiv",
    "version": 1
  }
}