Pith Number

pith:2RL65TP6

pith:2018:2RL65TP66USTIWT6E5U6RQ36BO

not attested not anchored not stored refs pending

Equivalence of Electric, Magnetic and Electromagnetic Chern Numbers for Topological Photonic Crystals

Giuseppe De Nittis, Max Lein

arxiv:1806.07783 v1 · 2018-06-20 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RL65TP66USTIWT6E5U6RQ36BO}

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	2026-05-18T00:12:46.674887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d457eecdfef525345a7e2769e8c37e0ba7c463fdd864efc21d48b95a0941e105

Aliases

arxiv: 1806.07783 · arxiv_version: 1806.07783v1 · doi: 10.48550/arxiv.1806.07783 · pith_short_12: 2RL65TP66UST · pith_short_16: 2RL65TP66USTIWT6 · pith_short_8: 2RL65TP6

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/2RL65TP66USTIWT6E5U6RQ36BO \
  | 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: d457eecdfef525345a7e2769e8c37e0ba7c463fdd864efc21d48b95a0941e105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c6f6b4812e22fa6468da45230e527682fd1513b7457d460e5c08ffb05804c4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-06-20T15:12:36Z",
    "title_canon_sha256": "cf585e57f586d49469edc9dea48049ed10ae9edd6581c2220e5c3009137c8051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07783",
    "kind": "arxiv",
    "version": 1
  }
}