Pith Number

pith:EKXE2DA2

pith:2019:EKXE2DA2UFGHIL7IATP4HPYVBF

not attested not anchored not stored refs pending

Coherent vortex dynamics in a strongly-interacting superfluid on a silicon chip

Ashton S. Bradley, Christopher G. Baker, David L. McAuslan, Glen I. Harris, Matthew J. Davis, Matthew T. Reeves, Oliver R. Stockdale, Stefan Forstner, Warwick P. Bowen, Xin He, Yauhen P. Sachkou

arxiv:1902.04409 v1 · 2019-02-07 · cond-mat.other · cond-mat.quant-gas · 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{EKXE2DA2UFGHIL7IATP4HPYVBF}

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	2026-07-05T00:41:24.165572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ae4d0c1aa14c742fe804dfc3bf150979622a4aebeb7fb8538989bb3201a287

Aliases

arxiv: 1902.04409 · arxiv_version: 1902.04409v1 · doi: 10.48550/arxiv.1902.04409 · pith_short_12: EKXE2DA2UFGH · pith_short_16: EKXE2DA2UFGHIL7I · pith_short_8: EKXE2DA2

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/EKXE2DA2UFGHIL7IATP4HPYVBF \
  | 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: 22ae4d0c1aa14c742fe804dfc3bf150979622a4aebeb7fb8538989bb3201a287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94645aef5be000b555b4428283841a2a6499992d24461d40ba0bac470f3cf6d1",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2019-02-07T13:19:26Z",
    "title_canon_sha256": "0164138e1ae7b2e9b3f3df81bff244e2064fe9d4cb35b0fd326a352d7c677065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04409",
    "kind": "arxiv",
    "version": 1
  }
}