Pith Number

pith:NQGIRMR7

pith:2019:NQGIRMR7JDYZ7WDZ2N6ZVR4WGH

not attested not anchored not stored refs pending

Solenoid from experimental HTS tape for magnetic refrigeration

A.V. Ovcharov, E.P. Krasnoperov, P.V. Volkov, S.V. Shavkin, V.E. Krylov, V.S. Korotkov, V.V. Guryev, V.V. Sychugov

arxiv:1902.09789 v1 · 2019-02-26 · 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{NQGIRMR7JDYZ7WDZ2N6ZVR4WGH}

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	2026-05-17T23:52:35.365911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0c88b23f48f19fd879d37d9ac79631c09bf01bd8ef2a93c9fb80981095b443

Aliases

arxiv: 1902.09789 · arxiv_version: 1902.09789v1 · doi: 10.48550/arxiv.1902.09789 · pith_short_12: NQGIRMR7JDYZ · pith_short_16: NQGIRMR7JDYZ7WDZ · pith_short_8: NQGIRMR7

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/NQGIRMR7JDYZ7WDZ2N6ZVR4WGH \
  | 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: 6c0c88b23f48f19fd879d37d9ac79631c09bf01bd8ef2a93c9fb80981095b443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275b6d8599f97b6eacdaf557c1b997fa1a63e44b0b1601eb506bbf7a82646a21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-02-26T08:17:52Z",
    "title_canon_sha256": "48b8681c452134d2ecb8f890a12b93a4929b77ddc22d00d2d924781da09776da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09789",
    "kind": "arxiv",
    "version": 1
  }
}