Pith Number

pith:I45KQVEZ

pith:2009:I45KQVEZI7AGEYSEPUXQ3XCBYN

not attested not anchored not stored refs pending

Magnetic Kronig-Penney model for Dirac electrons in single-layer graphene

F. M. Peeters, M. Ramezani Masir, P. Vasilopoulos

arxiv:0907.3871 v2 · 2009-07-22 · 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{I45KQVEZI7AGEYSEPUXQ3XCBYN}

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	2026-05-18T02:12:54.646834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473aa8549947c06262447d2f0ddc41c344489bc2ce37da36b6592baca4e8c262

Aliases

arxiv: 0907.3871 · arxiv_version: 0907.3871v2 · doi: 10.48550/arxiv.0907.3871 · pith_short_12: I45KQVEZI7AG · pith_short_16: I45KQVEZI7AGEYSE · pith_short_8: I45KQVEZ

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/I45KQVEZI7AGEYSEPUXQ3XCBYN \
  | 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: 473aa8549947c06262447d2f0ddc41c344489bc2ce37da36b6592baca4e8c262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406b76983c193d28e3acd1093d3c51092bef5db8caec3799e75f30ceb77dd534",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-22T16:04:11Z",
    "title_canon_sha256": "1ba270f27d7811403a34f3798dcf0543008d0200d0260258b648108ae6cab845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3871",
    "kind": "arxiv",
    "version": 2
  }
}