Pith Number

pith:KF742OTF

pith:2013:KF742OTFYHXQOVO5QUTZPHZFXH

not attested not anchored not stored refs pending

Toroidal domain walls as Hopfions

Michikazu Kobayashi, Muneto Nitta

arxiv:1304.4737 v1 · 2013-04-17 · 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{KF742OTFYHXQOVO5QUTZPHZFXH}

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	2026-05-18T03:27:43.833930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517fcd3a65c1ef0755dd8527979f25b9d3f0004c439dbb05a0cee770995e637a

Aliases

arxiv: 1304.4737 · arxiv_version: 1304.4737v1 · doi: 10.48550/arxiv.1304.4737 · pith_short_12: KF742OTFYHXQ · pith_short_16: KF742OTFYHXQOVO5 · pith_short_8: KF742OTF

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/KF742OTFYHXQOVO5QUTZPHZFXH \
  | 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: 517fcd3a65c1ef0755dd8527979f25b9d3f0004c439dbb05a0cee770995e637a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4214ea460fbec090f5a17bdcb2cb638d6646c54b93411adfddff0a964ae63c5",
    "cross_cats_sorted": [
      "cond-mat.other",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-04-17T09:00:12Z",
    "title_canon_sha256": "e85f4612d538fdebbdf03064057c135491e2317af71399fbabe97e2e66a173e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4737",
    "kind": "arxiv",
    "version": 1
  }
}