Pith Number

pith:WMKQT3EG

pith:1999:WMKQT3EGOOLQXVO2HRBRTPFMS3

not attested not anchored not stored refs pending

Phase transitions of electron-hole and unbalanced electron systems in coupled quantum wells in high magnetic field

O.L. Berman, V.G. Tsvetus, Yu.E. Lozovik

arxiv:cond-mat/9905004 v1 · 1999-05-01 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMKQT3EGOOLQXVO2HRBRTPFMS3}

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	2026-05-18T01:07:04.715059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b31509ec8673970bd5da3c4319bcac96d3ca289056a801d5eba0dbfc913c2fae

Aliases

arxiv: cond-mat/9905004 · arxiv_version: cond-mat/9905004v1 · doi: 10.48550/arxiv.cond-mat/9905004 · pith_short_12: WMKQT3EGOOLQ · pith_short_16: WMKQT3EGOOLQXVO2 · pith_short_8: WMKQT3EG

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/WMKQT3EGOOLQXVO2HRBRTPFMS3 \
  | 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: b31509ec8673970bd5da3c4319bcac96d3ca289056a801d5eba0dbfc913c2fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fc057d6cfd736295334491ed4416eb6df790ca9bb5f6ae87f945bcb501134dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-05-01T12:26:48Z",
    "title_canon_sha256": "58ce11026c340cd755a1bbc43c2374d4811bcd3cb8be9f91a2f586d26b567945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9905004",
    "kind": "arxiv",
    "version": 1
  }
}