Pith Number

pith:HJPPH2QP

pith:2009:HJPPH2QPWMX532ZGF2KCRV6QTD

not attested not anchored not stored refs pending

Double-gated graphene-based devices

A.F. Morpurgo, M.F. Craciun, M. Yamamoto, S. Russo, S. Tarucha

arxiv:0905.1221 v2 · 2009-05-08 · 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{HJPPH2QPWMX532ZGF2KCRV6QTD}

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	2026-05-18T02:13:46.421830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a5ef3ea0fb32fddeb262e9428d7d098ffa39772df56e0f34a4ba64317d328c0

Aliases

arxiv: 0905.1221 · arxiv_version: 0905.1221v2 · doi: 10.48550/arxiv.0905.1221 · pith_short_12: HJPPH2QPWMX5 · pith_short_16: HJPPH2QPWMX532ZG · pith_short_8: HJPPH2QP

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/HJPPH2QPWMX532ZGF2KCRV6QTD \
  | 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: 3a5ef3ea0fb32fddeb262e9428d7d098ffa39772df56e0f34a4ba64317d328c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa93f1303031f167a2e498b9ef54548466531f40c17a27164b6cce58947c9405",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-05-08T09:56:55Z",
    "title_canon_sha256": "c3b3e0fa95e8a728bb64e42b6d4c80bcde4d618ddeed7bbd0d4ba3bfd421885f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1221",
    "kind": "arxiv",
    "version": 2
  }
}