Pith Number

pith:FDDQ7NR2

pith:2009:FDDQ7NR2NCRGKLBIJF5347H2YX

not attested not anchored not stored refs pending

The quantum valley Hall effect in proximity-induced superconducting graphene: an experimental window for deconfined quantum criticality

Dung-Hai Lee, Pouyan Ghaemi, Shinsei Ryu

arxiv:0903.1662 v1 · 2009-03-09 · cond-mat.supr-con · 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{FDDQ7NR2NCRGKLBIJF5347H2YX}

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	2026-05-18T03:24:07.566058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c70fb63a68a2652c28497bbe7cfac5f11409307a6fe97024fa235dba92173e

Aliases

arxiv: 0903.1662 · arxiv_version: 0903.1662v1 · doi: 10.48550/arxiv.0903.1662 · pith_short_12: FDDQ7NR2NCRG · pith_short_16: FDDQ7NR2NCRGKLBI · pith_short_8: FDDQ7NR2

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/FDDQ7NR2NCRGKLBIJF5347H2YX \
  | 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: 28c70fb63a68a2652c28497bbe7cfac5f11409307a6fe97024fa235dba92173e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264fab443fe9c5c6355edd628acb61444fb0788085c4ee663000e606156d6632",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-03-09T23:08:43Z",
    "title_canon_sha256": "b6c9e5757f5518010aeb6a139c5ec056827e7668726eb8f033f7a6dad29dfe1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1662",
    "kind": "arxiv",
    "version": 1
  }
}