Pith Number

pith:3PB4MP2P

pith:2009:3PB4MP2P7J3QKDWDZB33DZEKFB

not attested not anchored not stored refs pending

Electrostatically confined Quantum Rings in bilayer Graphene

F. M. Peeters, G. A. Farias, J. M. Pereira Jr., M. Zarenia

arxiv:0908.2831 v1 · 2009-08-19 · 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{3PB4MP2P7J3QKDWDZB33DZEKFB}

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	2026-05-18T02:12:24.918266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc3c63f4ffa77050ec3c877b1e48a285722412fe94c25a367f38b44a9b7ac4c

Aliases

arxiv: 0908.2831 · arxiv_version: 0908.2831v1 · doi: 10.48550/arxiv.0908.2831 · pith_short_12: 3PB4MP2P7J3Q · pith_short_16: 3PB4MP2P7J3QKDWD · pith_short_8: 3PB4MP2P

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/3PB4MP2P7J3QKDWDZB33DZEKFB \
  | 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: dbc3c63f4ffa77050ec3c877b1e48a285722412fe94c25a367f38b44a9b7ac4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c2ff651b6426b185ec2122f42cc36108f26a40fde1ea88550e5912a2f52900b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-08-19T23:29:46Z",
    "title_canon_sha256": "af8ea8c74358be0c0509facb8517ba5dc0981124dea0c05c0fe9f1f8a531e3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2831",
    "kind": "arxiv",
    "version": 1
  }
}