Pith Number

pith:KD6XYUL4

pith:2019:KD6XYUL4CTAPNJUWCLU3NMYNJ3

not attested not anchored not stored refs pending

Observation of Local Symmetry in a Photonic System

Alexander Szameit, Christian V. Morfonios, Malte R\"ontgen, Matthias Heinrich, Nora Schmitt, Peter Schmelcher, Steffen Weimann

arxiv:1904.00862 v1 · 2019-04-01 · 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{KD6XYUL4CTAPNJUWCLU3NMYNJ3}

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	2026-05-17T23:49:45.287413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50fd7c517c14c0f6a69612e9b6b30d4ee324953c098e85bc9030a6ad8df1648f

Aliases

arxiv: 1904.00862 · arxiv_version: 1904.00862v1 · doi: 10.48550/arxiv.1904.00862 · pith_short_12: KD6XYUL4CTAP · pith_short_16: KD6XYUL4CTAPNJUW · pith_short_8: KD6XYUL4

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/KD6XYUL4CTAPNJUWCLU3NMYNJ3 \
  | 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: 50fd7c517c14c0f6a69612e9b6b30d4ee324953c098e85bc9030a6ad8df1648f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00afa1a21d0372b035dff3f970ee621ce38c90fdc2d5a6e99138a5ef8f38b3df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-01T14:04:13Z",
    "title_canon_sha256": "8768c6822ee5eae24ee6c9ac557f54334b6d8d3e3f70556b9158c7d27943a866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00862",
    "kind": "arxiv",
    "version": 1
  }
}