Pith Number

pith:EROPRCO5

pith:2009:EROPRCO5PTNXNT2I2XYFN6QEWY

not attested not anchored not stored refs pending

Coherent Quantum Ratchets Driven by Tunnel Oscillations

Michael Stark, Sigmund Kohler

arxiv:0912.3713 v1 · 2009-12-18 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EROPRCO5PTNXNT2I2XYFN6QEWY}

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	2026-05-18T04:42:34.470294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

245cf889dd7cdb76cf48d5f056fa04b6397ac98ff037714ee0c29acaae3094d7

Aliases

arxiv: 0912.3713 · arxiv_version: 0912.3713v1 · doi: 10.48550/arxiv.0912.3713 · pith_short_12: EROPRCO5PTNX · pith_short_16: EROPRCO5PTNXNT2I · pith_short_8: EROPRCO5

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/EROPRCO5PTNXNT2I2XYFN6QEWY \
  | 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: 245cf889dd7cdb76cf48d5f056fa04b6397ac98ff037714ee0c29acaae3094d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4747e4704e68590ff77b8c41d9adade3a1fdea39fb7a97eff0bc5608f2b7942a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-12-18T16:01:05Z",
    "title_canon_sha256": "6af2220906ab0dac0fe9310e21a4c9fe93e1326e28f2ab03796dd25430f93767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3713",
    "kind": "arxiv",
    "version": 1
  }
}