Pith Number

pith:QHEQJOPP

pith:2007:QHEQJOPP3SK5J6J26LZQ2SP5H4

not attested not anchored not stored refs pending

Fractional quantum Hall effect in a quantum point contact at filling fraction 5/2

C. M. Marcus, D. M. Zumbuhl, E. M. Levenson-Falk, I. P. Radu, J. B. Miller, K. W. West, L. N. Pfeiffer, M. A. Kastner

arxiv:cond-mat/0703161 v2 · 2007-03-06 · 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{QHEQJOPP3SK5J6J26LZQ2SP5H4}

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	2026-05-18T01:39:37.873886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c904b9efdc95d4f93af2f30d49fd3f14f68a17d03f47f772d7d8ac6021f2c0

Aliases

arxiv: cond-mat/0703161 · arxiv_version: cond-mat/0703161v2 · doi: 10.48550/arxiv.cond-mat/0703161 · pith_short_12: QHEQJOPP3SK5 · pith_short_16: QHEQJOPP3SK5J6J2 · pith_short_8: QHEQJOPP

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/QHEQJOPP3SK5J6J26LZQ2SP5H4 \
  | 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: 81c904b9efdc95d4f93af2f30d49fd3f14f68a17d03f47f772d7d8ac6021f2c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c20e65fafad46bb592d28fc5163e1147271bb8b90101bc274bae1c9790b8373",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2007-03-06T18:58:52Z",
    "title_canon_sha256": "20ac17d95831b424345d99ab570ca0da649bab67c1b8c561a4426f569ec36fdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0703161",
    "kind": "arxiv",
    "version": 2
  }
}