Pith Number

pith:L4F7ZDKT

pith:2013:L4F7ZDKTWSBZGBGSAIQ2GX44P6

not attested not anchored not stored refs pending

Bound state energy of a Coulomb impurity in gapped bilayer graphene: "Hydrogen atom with a Mexican hat"

B. I. Shklovskii, Brian Skinner, M. B. Voloshin

arxiv:1309.2937 v4 · 2013-09-11 · 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{L4F7ZDKTWSBZGBGSAIQ2GX44P6}

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	2026-05-18T03:00:58.487923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f0bfc8d53b4839304d20221a35f9c7fae8164bcf88c91fffa7d6a27cddcc7d3

Aliases

arxiv: 1309.2937 · arxiv_version: 1309.2937v4 · doi: 10.48550/arxiv.1309.2937 · pith_short_12: L4F7ZDKTWSBZ · pith_short_16: L4F7ZDKTWSBZGBGS · pith_short_8: L4F7ZDKT

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/L4F7ZDKTWSBZGBGSAIQ2GX44P6 \
  | 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: 5f0bfc8d53b4839304d20221a35f9c7fae8164bcf88c91fffa7d6a27cddcc7d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b762383bfbe2de196e69473c7f61be5288566fd62b1cb95ecfc4be88d3ff260",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2013-09-11T20:00:00Z",
    "title_canon_sha256": "f295b0472c33e8c0a889d9decb80d738367763f093719494892d7d00b639bcee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2937",
    "kind": "arxiv",
    "version": 4
  }
}