Pith Number

pith:QFTFD75S

pith:2019:QFTFD75SZUGYCRW4ZK2VAV63LP

not attested not anchored not stored refs pending

Unusual Metal to Marginal-Metal Transition in Two-Dimensional Ferromagnetic Electron Gases

C. Wang, Qinwei Shi, Qunxiang Li, Weiwei Chen, X. R. Wang

arxiv:1907.02213 v2 · 2019-07-04 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFTFD75SZUGYCRW4ZK2VAV63LP}

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	2026-07-05T00:25:11.919497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816651ffb2cd0d8146dccab55057db5becdcc5662f0df49fe876c3f25ff2fb5a

Aliases

arxiv: 1907.02213 · arxiv_version: 1907.02213v2 · doi: 10.48550/arxiv.1907.02213 · pith_short_12: QFTFD75SZUGY · pith_short_16: QFTFD75SZUGYCRW4 · pith_short_8: QFTFD75S

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/QFTFD75SZUGYCRW4ZK2VAV63LP \
  | 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: 816651ffb2cd0d8146dccab55057db5becdcc5662f0df49fe876c3f25ff2fb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554fda516c0cb7ff0c18c5b8d3733909b900cec75a3c24874be297dc5bd3adc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-07-04T04:29:07Z",
    "title_canon_sha256": "59fb52f1bf2e93c279f61c9a1d01f4f9714376f18c8bccad8c4425e64ec6e684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02213",
    "kind": "arxiv",
    "version": 2
  }
}