Pith Number

pith:7D6IPAO3

pith:2014:7D6IPAO3OMQNITNGTTGCX54JEU

not attested not anchored not stored refs pending

An optimized magnet for magnetic refrigeration

A. Smith, C. R. H. Bahl, D. V. Christensen, N. Pryds, R. Bj{\o}rk

arxiv:1410.1987 v1 · 2014-10-08 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7D6IPAO3OMQNITNGTTGCX54JEU}

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	2026-05-18T02:40:53.370345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8fc8781db7320d44da69ccc2bf789253c0e16582b93e5a501afc9a69969f5a9

Aliases

arxiv: 1410.1987 · arxiv_version: 1410.1987v1 · doi: 10.48550/arxiv.1410.1987 · pith_short_12: 7D6IPAO3OMQN · pith_short_16: 7D6IPAO3OMQNITNG · pith_short_8: 7D6IPAO3

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/7D6IPAO3OMQNITNGTTGCX54JEU \
  | 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: f8fc8781db7320d44da69ccc2bf789253c0e16582b93e5a501afc9a69969f5a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65afd3215079761f37eb615b8c00597f568e3934ee200e75c576c8d07e63760f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2014-10-08T05:58:46Z",
    "title_canon_sha256": "7d865c40abc084638856c9f422ee34a4d9528a4817799d5fb6164902548a3367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1987",
    "kind": "arxiv",
    "version": 1
  }
}