Pith Number

pith:OYK4H4TY

pith:2007:OYK4H4TYBHQK5VUUEURWLPJDQG

not attested not anchored not stored refs pending

Observation of Electron-Hole Puddles in Graphene Using a Scanning Single Electron Transistor

A. Yacoby, G. Ulbricht, J. H. Smet, J. Martin, K. von Klitzing, N. Akerman, T. Lohmann

arxiv:0705.2180 v1 · 2007-05-15 · cond-mat.mes-hall · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYK4H4TYBHQK5VUUEURWLPJDQG}

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	2026-05-18T02:16:30.905415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7615c3f27809e0aed694252365bd2381a9d194790e002fa811bcb737067f8331

Aliases

arxiv: 0705.2180 · arxiv_version: 0705.2180v1 · doi: 10.48550/arxiv.0705.2180 · pith_short_12: OYK4H4TYBHQK · pith_short_16: OYK4H4TYBHQK5VUU · pith_short_8: OYK4H4TY

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/OYK4H4TYBHQK5VUUEURWLPJDQG \
  | 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: 7615c3f27809e0aed694252365bd2381a9d194790e002fa811bcb737067f8331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a5b57c97499fbd2b2566f70fa703fc83d4e8ca4769ce29a915296a4a6013d8e",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2007-05-15T16:03:46Z",
    "title_canon_sha256": "2d868e389e0f14183e9182997e10a37eb503a3bcafb872f62543143ba46356b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2180",
    "kind": "arxiv",
    "version": 1
  }
}