Pith Number

pith:GAQP5C5W

pith:2015:GAQP5C5W3AJINSFYWG7E3YJFDX

not attested not anchored not stored refs pending

Inversion of the spherical means transform in corner-like domains by reduction to the classical Radon transform

Leonid Kunyansky

arxiv:1502.02640 v3 · 2015-02-09 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAQP5C5W3AJINSFYWG7E3YJFDX}

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	2026-05-18T01:34:24.672805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3020fe8bb6d81286c8b8b1be4de1251dc8e252db311872af8dc8b1e677115c55

Aliases

arxiv: 1502.02640 · arxiv_version: 1502.02640v3 · doi: 10.48550/arxiv.1502.02640 · pith_short_12: GAQP5C5W3AJI · pith_short_16: GAQP5C5W3AJINSFY · pith_short_8: GAQP5C5W

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/GAQP5C5W3AJINSFYWG7E3YJFDX \
  | 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: 3020fe8bb6d81286c8b8b1be4de1251dc8e252db311872af8dc8b1e677115c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607d062b4698c0d928eb10403ed96f815df59dc86fcad176f2f3e8f816f0918b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-09T20:22:21Z",
    "title_canon_sha256": "8f8ea94bfaa959130575e2eefc4329ae2da6b5aba91e41186c7b368d4b2e5885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02640",
    "kind": "arxiv",
    "version": 3
  }
}