Pith Number

pith:KJ5REDEP

pith:2025:KJ5REDEPMYOVMUARZNT7N42FSH

not attested not anchored not stored refs pending

Topological Localisation in Time from PT Symmetry

Alexander Szameit, C. B. B. Camacho, Frank Schindler, Hannah M. Price, Joshua Feis, Sebastian Weidemann, Tom Sheppard

arxiv:2509.06679 v3 · 2025-09-08 · 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{KJ5REDEPMYOVMUARZNT7N42FSH}

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.

Cited by

1 paper in Pith

Fundamentals and Applications of Time-varying Media: A Review

Receipt and verification

First computed	2026-07-02T01:17:14.071193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

527b120c8f661d565011cb67f6f34591e1de298200edbddbbe56ec30f0ee858b

Aliases

arxiv: 2509.06679 · arxiv_version: 2509.06679v3 · doi: 10.48550/arxiv.2509.06679 · pith_short_12: KJ5REDEPMYOV · pith_short_16: KJ5REDEPMYOVMUAR · pith_short_8: KJ5REDEP

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/KJ5REDEPMYOVMUARZNT7N42FSH \
  | 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: 527b120c8f661d565011cb67f6f34591e1de298200edbddbbe56ec30f0ee858b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98dfb2b2bd758c85e843373347a019fb1fee90db7cd6f12244971513f01e3b93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-09-08T13:36:27Z",
    "title_canon_sha256": "ecacc417708ff1f4ee3b91894489a21cf60e4851614b7978b2761f151eee374f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06679",
    "kind": "arxiv",
    "version": 3
  }
}