Pith Number

pith:QJI2DAVN

pith:2012:QJI2DAVNPPEWNWIU3DHPUQ3Y3I

not attested not anchored not stored refs pending

Demonstration experiments for solid state physics using a table top mechanical Stirling refrigerator

A. Palacio Morales, H. Suderow, J. G. Rodrigo, M. R. Osorio, S. Vieira

arxiv:1207.5995 v1 · 2012-07-25 · physics.ed-ph · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJI2DAVNPPEWNWIU3DHPUQ3Y3I}

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	2026-05-18T03:50:09.707374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8251a182ad7bc966d914d8cefa4378da0ed13b7cf4d6d579d0d3a5b8dd1bb2a7

Aliases

arxiv: 1207.5995 · arxiv_version: 1207.5995v1 · doi: 10.48550/arxiv.1207.5995 · pith_short_12: QJI2DAVNPPEW · pith_short_16: QJI2DAVNPPEWNWIU · pith_short_8: QJI2DAVN

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/QJI2DAVNPPEWNWIU3DHPUQ3Y3I \
  | 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: 8251a182ad7bc966d914d8cefa4378da0ed13b7cf4d6d579d0d3a5b8dd1bb2a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6210be6dc12cd905ab66a219e2b74a8f5aa28fc4fdb192bd43376bdd7df779e0",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-07-25T14:05:58Z",
    "title_canon_sha256": "c092e7fa3862697f3ed9f77d190fa8b907b4cda3c0bfc9c8267b4e7ec43a801f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5995",
    "kind": "arxiv",
    "version": 1
  }
}