Pith Number

pith:J7FLBCSV

pith:2020:J7FLBCSVCJLIVD5PACVUSK5QUV

not attested not anchored not stored refs pending

A Frame Decomposition of the Atmospheric Tomography Operator

Ronny Ramlau, Simon Hubmer

arxiv:2002.00880 v2 · 2020-02-03 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7FLBCSVCJLIVD5PACVUSK5QUV}

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	2026-07-05T03:37:21.948133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fcab08a5512568a8faf00ab492bb0a555637b7e385d84cb7c0588ece70b804a

Aliases

arxiv: 2002.00880 · arxiv_version: 2002.00880v2 · doi: 10.48550/arxiv.2002.00880 · pith_short_12: J7FLBCSVCJLI · pith_short_16: J7FLBCSVCJLIVD5P · pith_short_8: J7FLBCSV

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/J7FLBCSVCJLIVD5PACVUSK5QUV \
  | 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: 4fcab08a5512568a8faf00ab492bb0a555637b7e385d84cb7c0588ece70b804a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c97b73dec7f2e375b9104073fd045e3a804e327e42a632add21b2cf95c771a2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-02-03T16:49:02Z",
    "title_canon_sha256": "fcc4e35a37865e9f3348abc91dfa6cdbcf9f23dbced814eb8178ab432223b8ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00880",
    "kind": "arxiv",
    "version": 2
  }
}