Pith Number

pith:2QTP2YTR

pith:2019:2QTP2YTRJTN54PCYQPFNMQRJKY

not attested not anchored not stored refs pending

Quadratic magnetooptic Kerr effect spectroscopy of Fe epitaxial films on MgO(001) substrates

Jannis Thien, Jaroslav Hamrle, Joachim Wollschl\"ager, Luk\'a\v{s} Beran, Martin Veis, Olga Kuschel, Ond\v{r}ej Stejskal, Petr Cejpek, Robin Silber, Roman Anto\v{s}, Timo Kuschel, Tristan Matalla-Wagner

arxiv:1904.13121 v2 · 2019-04-30 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QTP2YTRJTN54PCYQPFNMQRJKY}

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	2026-07-04T23:52:35.831723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d426fd62714cdbde3c5883cad642295629a85d02dff4a5ed30a7a8a5aa14cb0e

Aliases

arxiv: 1904.13121 · arxiv_version: 1904.13121v2 · doi: 10.48550/arxiv.1904.13121 · pith_short_12: 2QTP2YTRJTN5 · pith_short_16: 2QTP2YTRJTN54PCY · pith_short_8: 2QTP2YTR

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/2QTP2YTRJTN54PCYQPFNMQRJKY \
  | 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: d426fd62714cdbde3c5883cad642295629a85d02dff4a5ed30a7a8a5aa14cb0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d601e064a0eb17a74f48461b97952177c1afa10b8f348d8f40af0ad9a2c96be1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-30T09:35:05Z",
    "title_canon_sha256": "d0f16b15614e8a1d0bedf068195015644cb3feae2ad8cae0125f7eab72212ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13121",
    "kind": "arxiv",
    "version": 2
  }
}