Pith Number

pith:FADAWE27

pith:2026:FADAWE27L3IBR5TWDHAJVS4K7A

not attested not anchored not stored refs pending

Recovery of directional wave spectrum from sparse data with compressed sensing

Henrik Kalisch, Karoline Holand, Michel Benoit, Patrick Sprenger, Qingyu Jiang

arxiv:2605.25074 v1 · 2026-05-24 · physics.geo-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{FADAWE27L3IBR5TWDHAJVS4K7A}

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	2026-05-26T02:03:38.658748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28060b135f5ed018f67619c09acb8af831a31872a0f047ccda8ae6f8b4bb9bf3

Aliases

arxiv: 2605.25074 · arxiv_version: 2605.25074v1 · doi: 10.48550/arxiv.2605.25074 · pith_short_12: FADAWE27L3IB · pith_short_16: FADAWE27L3IBR5TW · pith_short_8: FADAWE27

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/FADAWE27L3IBR5TWDHAJVS4K7A \
  | 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: 28060b135f5ed018f67619c09acb8af831a31872a0f047ccda8ae6f8b4bb9bf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01c7eb344423c598a5a6cec2dc5e85713a130341588dd67c1e05c9c4b517d21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-05-24T13:38:42Z",
    "title_canon_sha256": "5327931c659ec25196f81e11d99f23bcd484b8e423b615b440da9185920f5511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25074",
    "kind": "arxiv",
    "version": 1
  }
}