Pith Number

pith:4MKPQWRR

pith:2018:4MKPQWRRXA2W63AB2AKKQAZNU5

not attested not anchored not stored refs pending

Ferromagnetic Josephson junctions for cryogenic memory

Alexander E. Madden, Norman O. Birge, Ofer Naaman

arxiv:1808.03639 v1 · 2018-08-10 · 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{4MKPQWRRXA2W63AB2AKKQAZNU5}

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	2026-05-17T23:48:11.471351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e314f85a31b8356f6c01d014a8032da77948e36e3d4461cf4a36d92ac765bca7

Aliases

arxiv: 1808.03639 · arxiv_version: 1808.03639v1 · doi: 10.48550/arxiv.1808.03639 · pith_short_12: 4MKPQWRRXA2W · pith_short_16: 4MKPQWRRXA2W63AB · pith_short_8: 4MKPQWRR

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/4MKPQWRRXA2W63AB2AKKQAZNU5 \
  | 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: e314f85a31b8356f6c01d014a8032da77948e36e3d4461cf4a36d92ac765bca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d5189939bd15dae1834858128f0eb8115af2ed6bb2dc14e3ce7266ac71ee8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-08-10T17:54:00Z",
    "title_canon_sha256": "d7a48fd8084a9278d7439e516bede16b7580a901b3c2029864604fde88bc9ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03639",
    "kind": "arxiv",
    "version": 1
  }
}