Pith Number

pith:QYZWQBKS

pith:2020:QYZWQBKSWOX24UNQVY5KHF3GFL

not attested not anchored not stored refs pending

Negative entropy production rates in Drude-Sommerfeld metals

Marcus V. S. Bonan\c{c}a, Pierre Naz\'e, Sebastian Deffner

arxiv:2009.14580 v1 · 2020-09-30 · cond-mat.stat-mech · cond-mat.quant-gas · cond-mat.str-el · 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{QYZWQBKSWOX24UNQVY5KHF3GFL}

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	2026-07-05T02:08:11.901178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8633680552b3afae51b0ae3aa397662af0c4e9dc9ca299b160cf99eb9a24c480

Aliases

arxiv: 2009.14580 · arxiv_version: 2009.14580v1 · doi: 10.48550/arxiv.2009.14580 · pith_short_12: QYZWQBKSWOX2 · pith_short_16: QYZWQBKSWOX24UNQ · pith_short_8: QYZWQBKS

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/QYZWQBKSWOX24UNQVY5KHF3GFL \
  | 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: 8633680552b3afae51b0ae3aa397662af0c4e9dc9ca299b160cf99eb9a24c480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27b2c006e78bdd2a85972d7230ec58c1dd98eec533f65a65bbcff6f02f04584",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2020-09-30T11:58:34Z",
    "title_canon_sha256": "1d267e13c785fbc8cda62391496299ffc4a4222eb31b3b6a19e43806fa23b75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14580",
    "kind": "arxiv",
    "version": 1
  }
}