Pith Number

pith:UFI2WFRR

pith:2018:UFI2WFRRMN5GSGSAXJYD2LZDDD

not attested not anchored not stored refs pending

The Funk-Radon transform for hyperplane sections through a common point

Michael Quellmalz

arxiv:1810.08105 v1 · 2018-10-18 · 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{UFI2WFRRMN5GSGSAXJYD2LZDDD}

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	2026-06-04T20:13:31.139238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a151ab1631637a691a40ba703d2f2318eae77b0c5c0d8d0af5a4be228efa9a03

Aliases

arxiv: 1810.08105 · arxiv_version: 1810.08105v1 · doi: 10.48550/arxiv.1810.08105 · pith_short_12: UFI2WFRRMN5G · pith_short_16: UFI2WFRRMN5GSGSA · pith_short_8: UFI2WFRR

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/UFI2WFRRMN5GSGSAXJYD2LZDDD \
  | 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: a151ab1631637a691a40ba703d2f2318eae77b0c5c0d8d0af5a4be228efa9a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d0bf680af86e6e4fadaad61c3626b10c29a646c057eba50882c9049b053e7a1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-18T15:21:06Z",
    "title_canon_sha256": "b85a59126cb2f52c42ab8e0913d40646223f06e18ce74e06abfbf19fbfc79156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08105",
    "kind": "arxiv",
    "version": 1
  }
}