Pith Number

pith:VS4Q3MYN

pith:2018:VS4Q3MYNRUYFVOAPPG2GS5NX4P

not attested not anchored not stored refs pending

Heat flowing from cold to hot without external intervention by using a 'thermal inductor'

Andreas Schilling, Olaf Bossen, Xiaofu Zhang

arxiv:1804.06405 v2 · 2018-04-18 · cond-mat.stat-mech · physics.pop-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{VS4Q3MYNRUYFVOAPPG2GS5NX4P}

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	2026-05-17T23:48:11.723352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb90db30d8d305ab80f79b46975b7e3eed25553907073b8c0568a433c290699

Aliases

arxiv: 1804.06405 · arxiv_version: 1804.06405v2 · doi: 10.48550/arxiv.1804.06405 · pith_short_12: VS4Q3MYNRUYF · pith_short_16: VS4Q3MYNRUYFVOAP · pith_short_8: VS4Q3MYN

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/VS4Q3MYNRUYFVOAPPG2GS5NX4P \
  | 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: acb90db30d8d305ab80f79b46975b7e3eed25553907073b8c0568a433c290699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28dc28fbe54a1eff2aaed589882688cf8c705f8f8a4db4f1245ea707be1a186c",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2018-04-18T17:32:22Z",
    "title_canon_sha256": "2cddcfb02a125ed04419dca75b8b159c608f95015526baa9a6c2645aca5d13b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06405",
    "kind": "arxiv",
    "version": 2
  }
}