Pith Number

pith:EEFSKJ5O

pith:2025:EEFSKJ5OABL3VKV3OJ2WLB2WUV

not attested not anchored not stored refs pending

Digital holographic imaging for free surfaces of superfluid helium

Anthony J. Kent, Chris Goodwin, Ilaria Dimina, Leonardo Solidoro, Marion Cromb, Patrik \v{S}van\v{c}ara, Pietro Smaniotto, Radivoje Prizia, Silke Weinfurtner, Silvia Schiattarella, Sreelekshmi C. Ajithkumar, Vitor S. Barroso

arxiv:2509.10235 v2 · 2025-09-12 · 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{EEFSKJ5OABL3VKV3OJ2WLB2WUV}

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	2026-07-02T01:17:24.370345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210b2527ae0057baaabb7275658756a55ed905b2e9312188f8a79e21e3bda915

Aliases

arxiv: 2509.10235 · arxiv_version: 2509.10235v2 · doi: 10.48550/arxiv.2509.10235 · pith_short_12: EEFSKJ5OABL3 · pith_short_16: EEFSKJ5OABL3VKV3 · pith_short_8: EEFSKJ5O

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/EEFSKJ5OABL3VKV3OJ2WLB2WUV \
  | 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: 210b2527ae0057baaabb7275658756a55ed905b2e9312188f8a79e21e3bda915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f07130f0afbb7f9006d4f764c5d424bab265f4ac80c685815e8175b84595a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-09-12T13:29:43Z",
    "title_canon_sha256": "0dd027e63489f4af5532f1ec2148df8bb822f37528e24b138b037c55f876c0a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10235",
    "kind": "arxiv",
    "version": 2
  }
}