Pith Number

pith:V6H7UAHS

pith:2018:V6H7UAHSAL3DZIGNOC3IDFKGDX

not attested not anchored not stored refs pending

Demonstration of a two-dimensional PT-symmetric crystal: Bulk dynamics, topology, and edge states

Alexander Szameit, Mark Kremer, Matthias Heinrich, Ronny Thomale, Tobias Biesenthal

arxiv:1809.00041 v1 · 2018-08-31 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6H7UAHSAL3DZIGNOC3IDFKGDX}

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	2026-05-18T00:06:36.338540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8ffa00f202f63ca0cd70b68195461dde3a5c038b69d8ffc03c3bb98abfdaae

Aliases

arxiv: 1809.00041 · arxiv_version: 1809.00041v1 · doi: 10.48550/arxiv.1809.00041 · pith_short_12: V6H7UAHSAL3D · pith_short_16: V6H7UAHSAL3DZIGN · pith_short_8: V6H7UAHS

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/V6H7UAHSAL3DZIGNOC3IDFKGDX \
  | 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: af8ffa00f202f63ca0cd70b68195461dde3a5c038b69d8ffc03c3bb98abfdaae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461d083e893ab883df0df570ff4c5a1a7c4d9695b8e66794fd832d4b9e496b92",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-31T20:00:46Z",
    "title_canon_sha256": "3707723bb04738308a7f0ef2a80639d8e7de9fa176ebbf5c2ea9a8012e4ea447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00041",
    "kind": "arxiv",
    "version": 1
  }
}