Pith Number

pith:ONNZXXKN

pith:2017:ONNZXXKNLF7OMK5ZV3ERWHUNK5

not attested not anchored not stored refs pending

Symmetry Classification of Topological Photonic Crystals

Giuseppe De Nittis, Max Lein

arxiv:1710.08104 v2 · 2017-10-23 · physics.optics · 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{ONNZXXKNLF7OMK5ZV3ERWHUNK5}

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	2026-05-18T00:28:34.840597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

735b9bdd4d597ee62bb9aec91b1e8d57709fba48fb3de48995d10a67a048e3e9

Aliases

arxiv: 1710.08104 · arxiv_version: 1710.08104v2 · doi: 10.48550/arxiv.1710.08104 · pith_short_12: ONNZXXKNLF7O · pith_short_16: ONNZXXKNLF7OMK5Z · pith_short_8: ONNZXXKN

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/ONNZXXKNLF7OMK5ZV3ERWHUNK5 \
  | 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: 735b9bdd4d597ee62bb9aec91b1e8d57709fba48fb3de48995d10a67a048e3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e16e8280ecf7509db554763a81d1fc466380622e4bc972fe950d5e6f6de549a5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-10-23T06:27:51Z",
    "title_canon_sha256": "495f3c2359c364a0ff6c755d24564fef2421abeba17dbb3035dbdf039873d33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08104",
    "kind": "arxiv",
    "version": 2
  }
}