Pith Number

pith:GRT2OLDU

pith:2013:GRT2OLDUDLRACLYMCEQHTNMUIJ

not attested not anchored not stored refs pending

Entanglement Generation is Not Necessary for Optimal Work Extraction

Antonio Ac\'in, Karen V. Hovhannisyan, Marcus Huber, Mart\'i Perarnau-Llobet

arxiv:1303.4686 v2 · 2013-03-19 · quant-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRT2OLDUDLRACLYMCEQHTNMUIJ}

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	2026-05-18T03:04:49.524078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3467a72c741ae2012f0c112079b594425dcf8628480cd6a1e030f0484a043765

Aliases

arxiv: 1303.4686 · arxiv_version: 1303.4686v2 · doi: 10.48550/arxiv.1303.4686 · pith_short_12: GRT2OLDUDLRA · pith_short_16: GRT2OLDUDLRACLYM · pith_short_8: GRT2OLDU

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/GRT2OLDUDLRACLYMCEQHTNMUIJ \
  | 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: 3467a72c741ae2012f0c112079b594425dcf8628480cd6a1e030f0484a043765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "191fb8b4c91dd33ee720712e60076006760b7a4b33671dff78b8de95fc531fe0",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-19T18:16:11Z",
    "title_canon_sha256": "955b33227d730942b391b62ebbb88b7fbbfadd8cd5cc169e4ad1cfa110ec1a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4686",
    "kind": "arxiv",
    "version": 2
  }
}