Pith Number

pith:327DCH47

pith:2018:327DCH47JZO3B4MPPCFSGOULWN

not attested not anchored not stored refs pending

Photonic Dirac monopoles and skyrmions: spin-1 quantization

Todd Van Mechelen, Zubin Jacob

arxiv:1806.09879 v3 · 2018-06-26 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{327DCH47JZO3B4MPPCFSGOULWN}

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	2026-05-17T23:58:38.752840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debe311f9f4e5db0f18f788b233a8bb36e205b1cb4e52b712c09d28fb0420357

Aliases

arxiv: 1806.09879 · arxiv_version: 1806.09879v3 · doi: 10.48550/arxiv.1806.09879 · pith_short_12: 327DCH47JZO3 · pith_short_16: 327DCH47JZO3B4MP · pith_short_8: 327DCH47

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/327DCH47JZO3B4MPPCFSGOULWN \
  | 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: debe311f9f4e5db0f18f788b233a8bb36e205b1cb4e52b712c09d28fb0420357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81c7ceb79cb65d6673d9d899e4e9cdacde4964809eae17d14ed1be95af0d55bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-06-26T09:52:35Z",
    "title_canon_sha256": "89cde702c37ea2641b75891a500a516a8f40ea55f7d26a27e7f90350614af127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09879",
    "kind": "arxiv",
    "version": 3
  }
}