Pith Number

pith:KNPLAEFR

pith:2015:KNPLAEFROTSTFCBE4MUB77U452

not attested not anchored not stored refs pending

The spherical mean Radon transform with centers on cylindrical surfaces

Markus Haltmeier, Sunghwan Moon

arxiv:1501.04326 v2 · 2015-01-18 · math.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{KNPLAEFROTSTFCBE4MUB77U452}

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	2026-05-18T01:11:00.288230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

535eb010b174e5328824e3281ffe9cee9066fd94c296c01e6f7d476c2648ad46

Aliases

arxiv: 1501.04326 · arxiv_version: 1501.04326v2 · doi: 10.48550/arxiv.1501.04326 · pith_short_12: KNPLAEFROTST · pith_short_16: KNPLAEFROTSTFCBE · pith_short_8: KNPLAEFR

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/KNPLAEFROTSTFCBE4MUB77U452 \
  | 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: 535eb010b174e5328824e3281ffe9cee9066fd94c296c01e6f7d476c2648ad46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7160899fbc3e74637744a463f56d3437f293f98e846515d5942a6e0580f15fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-01-18T17:28:49Z",
    "title_canon_sha256": "4def2d1fb706e1d68dcd0ddbe287c0ffd200edb5b908223ac9cef1d17ef7ca49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04326",
    "kind": "arxiv",
    "version": 2
  }
}