Pith Number

pith:GRO4MZEQ

pith:2018:GRO4MZEQ6UPO4AWK4GMSXWZBWH

not attested not anchored not stored refs pending

A Local Fourier Slice Theorem

Christian Lessig

arxiv:1806.09706 v2 · 2018-06-25 · cs.NA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRO4MZEQ6UPO4AWK4GMSXWZBWH}

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	2026-05-18T00:00:52.871932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345dc66490f51eee02cae1992bdb21b1fc5e6de12c6d138d4a47265d492b74dd

Aliases

arxiv: 1806.09706 · arxiv_version: 1806.09706v2 · doi: 10.48550/arxiv.1806.09706 · pith_short_12: GRO4MZEQ6UPO · pith_short_16: GRO4MZEQ6UPO4AWK · pith_short_8: GRO4MZEQ

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/GRO4MZEQ6UPO4AWK4GMSXWZBWH \
  | 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: 345dc66490f51eee02cae1992bdb21b1fc5e6de12c6d138d4a47265d492b74dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8960d425ea2e6c013f023d283ec317a0b376ac3ca8bc447cf98375e4789165be",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2018-06-25T21:18:51Z",
    "title_canon_sha256": "471986b9332100492fb95d3f8f832dd08e867d8914531656f658ffe7ac64abe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09706",
    "kind": "arxiv",
    "version": 2
  }
}