Pith Number

pith:7GPWJJOW

pith:2011:7GPWJJOWI5FVD22A4MVO3AB2G6

not attested not anchored not stored refs pending

Direct measurement of quantum phases in graphene via photoemission spectroscopy

Alessandra Lanzara, Alexei V. Fedorov, Cheol-Hwan Park, Choongyu Hwang, David A. Siegel, Steven G. Louie

arxiv:1109.3680 v1 · 2011-09-16 · cond-mat.mtrl-sci · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GPWJJOWI5FVD22A4MVO3AB2G6}

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	2026-05-18T04:12:55.362416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99f64a5d6474b51eb40e32aed803a37839c124a14a9a770dd5452ca3f7827a4

Aliases

arxiv: 1109.3680 · arxiv_version: 1109.3680v1 · doi: 10.48550/arxiv.1109.3680 · pith_short_12: 7GPWJJOWI5FV · pith_short_16: 7GPWJJOWI5FVD22A · pith_short_8: 7GPWJJOW

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/7GPWJJOWI5FVD22A4MVO3AB2G6 \
  | 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: f99f64a5d6474b51eb40e32aed803a37839c124a14a9a770dd5452ca3f7827a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301b07dd9d28198fa60183a808bc5475e257b049d066a545e6f40f5e518c6e3b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-16T18:12:33Z",
    "title_canon_sha256": "c27d9852389a5eb5fdf4d662d965faa74dcfde92fc02fe1f50844c534623e2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3680",
    "kind": "arxiv",
    "version": 1
  }
}