Pith Number

pith:XVUJE6AU

pith:2009:XVUJE6AUBEM67ZCMRFKX2FXA2U

not attested not anchored not stored refs pending

Precision Cutting and Patterning of Graphene with Helium Ions

C. M. Marcus, D. C. Bell, J. R. Williams, L. A. Stern, M. C. Lemme

arxiv:0905.4407 v2 · 2009-05-27 · 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{XVUJE6AUBEM67ZCMRFKX2FXA2U}

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	2026-05-18T02:13:31.652289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd689278140919efe44c89557d16e0d538604d902b3ffbc4d2cfa7c3a6903dff

Aliases

arxiv: 0905.4407 · arxiv_version: 0905.4407v2 · doi: 10.48550/arxiv.0905.4407 · pith_short_12: XVUJE6AUBEM6 · pith_short_16: XVUJE6AUBEM67ZCM · pith_short_8: XVUJE6AU

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/XVUJE6AUBEM67ZCMRFKX2FXA2U \
  | 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: bd689278140919efe44c89557d16e0d538604d902b3ffbc4d2cfa7c3a6903dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97d192e4b919cd12ae78117d322a84f1e97325ec83887d721285dc833701241",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-05-27T13:03:25Z",
    "title_canon_sha256": "8e6635f781ee4a2ba00aa5f0d1bf7a039d0eefe86f312b7f5efe15e7ab444a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4407",
    "kind": "arxiv",
    "version": 2
  }
}