Pith Number

pith:7QGCAJLH

pith:2021:7QGCAJLHBKZUMTC5TS4ZSHZVSD

not attested not anchored not stored refs pending

Continuously Tunable Berry Phase and Valley-Polarized Energy Spectra in Bilayer Graphene Quantum Dots

Lin He, Qiang Cheng, Qing-Feng Sun, Ya-Ning Ren

arxiv:2108.07391 v1 · 2021-08-17 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QGCAJLHBKZUMTC5TS4ZSHZVSD}

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	2026-07-05T03:06:38.597637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0c2025670ab3464c5d9cb9991f3590f052d5e864c36e4505811c22e5f917b2

Aliases

arxiv: 2108.07391 · arxiv_version: 2108.07391v1 · doi: 10.48550/arxiv.2108.07391 · pith_short_12: 7QGCAJLHBKZU · pith_short_16: 7QGCAJLHBKZUMTC5 · pith_short_8: 7QGCAJLH

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/7QGCAJLHBKZUMTC5TS4ZSHZVSD \
  | 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: fc0c2025670ab3464c5d9cb9991f3590f052d5e864c36e4505811c22e5f917b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a335fe2fde8503757c209a2f5d7dff2cf94ea9c804ce561236ce79b24e8978b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-08-17T00:56:47Z",
    "title_canon_sha256": "8fcaf28bcbdf2f8300694913ea37c0575e0c755db986a303d5cc23d3ba679e35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07391",
    "kind": "arxiv",
    "version": 1
  }
}