Pith Number

pith:OBDZ3I3R

pith:2026:OBDZ3I3RLE566FK6E2Z4AXP6RJ

not attested not anchored not stored refs pending

A Maxwell Fish-Eye Lens in a Bose-Einstein Condensate

Duncan H.J. O'Dell, Elinor Kath, Floriane Arrouas, Hanyi Jang, Helmut Strobel, Jay Mehta, Jelte Duch\^ene, Liam M. Farrell, Markus K. Oberthaler, Wyatt Kirkby

arxiv:2602.23125 v2 · 2026-02-26 · cond-mat.quant-gas · physics.atom-ph · physics.optics · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBDZ3I3RLE566FK6E2Z4AXP6RJ}

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	2026-07-07T02:19:48.080735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70479da371593bef155e26b3c05dfe8a7db38e89e559d8fe1a728ffff4ba30d9

Aliases

arxiv: 2602.23125 · arxiv_version: 2602.23125v2 · doi: 10.48550/arxiv.2602.23125 · pith_short_12: OBDZ3I3RLE56 · pith_short_16: OBDZ3I3RLE566FK6 · pith_short_8: OBDZ3I3R

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/OBDZ3I3RLE566FK6E2Z4AXP6RJ \
  | 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: 70479da371593bef155e26b3c05dfe8a7db38e89e559d8fe1a728ffff4ba30d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e07eb5607cc8ebc467cc7ead779a563d8da98a1480bce61b32c10a6d2f0c1e82",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2026-02-26T15:39:36Z",
    "title_canon_sha256": "ae1b6753cd726500b9e827770fd0eb77c28d7a0ada21ade96047cd040f6e98c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.23125",
    "kind": "arxiv",
    "version": 2
  }
}