pith. sign in
Pith Number

pith:NM4VFGY3

pith:2009:NM4VFGY3PORKW5AIS4MUIYRCTF
not attested not anchored not stored refs pending

The role of contacts in graphene transistors: A scanning photocurrent study

F. Xia, J. Tsang, M. Freitag, Ph. Avouris, T. Mueller

arxiv:0902.1479 v2 · 2009-02-09 · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NM4VFGY3PORKW5AIS4MUIYRCTF}

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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 2026-05-18T02:14:48.682542Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6b39529b1b7ba2ab74089719446222995c341549a437f99763ce559d0a4365be

Aliases

arxiv: 0902.1479 · arxiv_version: 0902.1479v2 · doi: 10.48550/arxiv.0902.1479 · pith_short_12: NM4VFGY3PORK · pith_short_16: NM4VFGY3PORKW5AI · pith_short_8: NM4VFGY3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NM4VFGY3PORKW5AIS4MUIYRCTF \
  | 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: 6b39529b1b7ba2ab74089719446222995c341549a437f99763ce559d0a4365be
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8ff1de8c18d0aacd9400af4ea8c6fee487eb531543513e71c86774db634927c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-02-09T17:16:34Z",
    "title_canon_sha256": "b19bfb473e72e8d4a8c6e8d8c02bc8ffe934ae5d0185a3250a68fdce743b2d41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1479",
    "kind": "arxiv",
    "version": 2
  }
}