Pith Number

pith:NN3WPIMD

pith:2013:NN3WPIMDZMAJYTINUYSSZS7J3S

not attested not anchored not stored refs pending

Winding Hopfions on R^2 x S^1

Michikazu Kobayashi, Muneto Nitta

arxiv:1305.7417 v2 · 2013-05-31 · hep-th · cond-mat.other · hep-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{NN3WPIMDZMAJYTINUYSSZS7J3S}

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	2026-05-18T03:12:32.766258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7767a183cb009c4d0da6252ccbe9dc8d9bfded9de42cee06dcabc77b84086e

Aliases

arxiv: 1305.7417 · arxiv_version: 1305.7417v2 · doi: 10.48550/arxiv.1305.7417 · pith_short_12: NN3WPIMDZMAJ · pith_short_16: NN3WPIMDZMAJYTIN · pith_short_8: NN3WPIMD

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/NN3WPIMDZMAJYTINUYSSZS7J3S \
  | 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: 6b7767a183cb009c4d0da6252ccbe9dc8d9bfded9de42cee06dcabc77b84086e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1791e4dd7b1948e34087a1d859f1fbd0e5db57b8ad238d59f7e177ec3d542f11",
    "cross_cats_sorted": [
      "cond-mat.other",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-31T14:34:38Z",
    "title_canon_sha256": "ea44ecae3af17452db8137c304b4be5e6b6d46fd49809c3b59791ec501c76e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7417",
    "kind": "arxiv",
    "version": 2
  }
}