Pith Number

pith:NWMHK4SJ

pith:1997:NWMHK4SJYIH3LJQJ4I7KHWNSGQ

not attested not anchored not stored refs pending

Optics with Quantum Hall Skyrmions

J. R. Chapman (1), N. F. Johnson (1) ((1) University of Oxford), T. Portengen (1), V. Nikos Nicopoulos (1)

arxiv:cond-mat/9710050 v1 · 1997-10-06 · 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{NWMHK4SJYIH3LJQJ4I7KHWNSGQ}

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	2026-05-18T01:39:33.063109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d98757249c20fb5a609e23ea3d9b234037eca8a2508e0c21014db8a2a5866ba

Aliases

arxiv: cond-mat/9710050 · arxiv_version: cond-mat/9710050v1 · doi: 10.48550/arxiv.cond-mat/9710050 · pith_short_12: NWMHK4SJYIH3 · pith_short_16: NWMHK4SJYIH3LJQJ · pith_short_8: NWMHK4SJ

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/NWMHK4SJYIH3LJQJ4I7KHWNSGQ \
  | 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: 6d98757249c20fb5a609e23ea3d9b234037eca8a2508e0c21014db8a2a5866ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fd1fb2fbbfc222e75de9c08f0509e48a60fc97b745192c9d8716d6ffe234d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "1997-10-06T10:52:55Z",
    "title_canon_sha256": "8c0e8043a2c41a36473a6cbf1b2e9dc6ee2a63d570163e2c0cc5f9e23de59eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9710050",
    "kind": "arxiv",
    "version": 1
  }
}