Pith Number

pith:YSWWQYO2

pith:2017:YSWWQYO2FWOXAPW2LJSPBPDCW4

not attested not anchored not stored refs pending

A group theoretical route to deterministic Weyl points in chiral photonic lattices

Jeremy J. Baumberg, Joachim M. Hamm, Matthias Saba, Ortwin Hess

arxiv:1706.06030 v1 · 2017-06-19 · 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{YSWWQYO2FWOXAPW2LJSPBPDCW4}

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	2026-05-18T00:28:45.879836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ad6861da2d9d703eda5a64f0bc62b720492b5e0716f9e1d4368bfb01ea6d21

Aliases

arxiv: 1706.06030 · arxiv_version: 1706.06030v1 · doi: 10.48550/arxiv.1706.06030 · pith_short_12: YSWWQYO2FWOX · pith_short_16: YSWWQYO2FWOXAPW2 · pith_short_8: YSWWQYO2

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/YSWWQYO2FWOXAPW2LJSPBPDCW4 \
  | 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: c4ad6861da2d9d703eda5a64f0bc62b720492b5e0716f9e1d4368bfb01ea6d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067ef1146261ef8aa3ff87bd863af78f1c422d2b630b903c1992f182e9799308",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-06-19T16:04:57Z",
    "title_canon_sha256": "f4ac18fa2721e8d8340b160efe6f510795891f9ae701cf697710c965e6ac24da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06030",
    "kind": "arxiv",
    "version": 1
  }
}