Pith Number

pith:JQ7HRWPB

pith:2010:JQ7HRWPBH3LKHDRI4GVO36VHWY

not attested not anchored not stored refs pending

The thermodynamic meaning of negative entropy

Johan Aberg, L\'idia del Rio, Oscar Dahlsten, Renato Renner, Vlatko Vedral

arxiv:1009.1630 v2 · 2010-09-08 · 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{JQ7HRWPBH3LKHDRI4GVO36VHWY}

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.

Cited by

2 papers in Pith

Thermodynamic Value of XOR-Game-Induced Side Information in a Szilard Engine

Battery-Explicit Thermodynamic Witnesses of Bell Post-Quantumness

Receipt and verification

First computed	2026-05-18T04:19:22.109381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c3e78d9e13ed6a38e28e1aaedfaa7b6253741f98773bfcff00149446c7da32a

Aliases

arxiv: 1009.1630 · arxiv_version: 1009.1630v2 · doi: 10.48550/arxiv.1009.1630 · pith_short_12: JQ7HRWPBH3LK · pith_short_16: JQ7HRWPBH3LKHDRI · pith_short_8: JQ7HRWPB

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/JQ7HRWPBH3LKHDRI4GVO36VHWY \
  | 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: 4c3e78d9e13ed6a38e28e1aaedfaa7b6253741f98773bfcff00149446c7da32a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d4a0e823885ab69d122fba19c4c4595205679ee5b0238efd61ea546c0825d3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-08T20:02:14Z",
    "title_canon_sha256": "fe8eb9158b27de3bda375ee1d164f6afb45a775bfa3d4fedf244cec60bc7f5d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1630",
    "kind": "arxiv",
    "version": 2
  }
}