Pith Number

pith:J5F2QWBM

pith:2017:J5F2QWBM3B4TTWX7HMNRFVUHZB

not attested not anchored not stored refs pending

Quasi-extremals for convolution with surface measure on the sphere

Betsy Stovall

arxiv:1710.08304 v1 · 2017-10-23 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5F2QWBM3B4TTWX7HMNRFVUHZB}

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	2026-05-18T00:32:16.755739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4ba8582cd87939daff3b1b12d687c86ea3f1418ef29191adb198a3bcd0cca7

Aliases

arxiv: 1710.08304 · arxiv_version: 1710.08304v1 · doi: 10.48550/arxiv.1710.08304 · pith_short_12: J5F2QWBM3B4T · pith_short_16: J5F2QWBM3B4TTWX7 · pith_short_8: J5F2QWBM

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/J5F2QWBM3B4TTWX7HMNRFVUHZB \
  | 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: 4f4ba8582cd87939daff3b1b12d687c86ea3f1418ef29191adb198a3bcd0cca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bdf824d8ab505bfffa8234faae4da91c86f23eeb3ff68442137248fbbd75779",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-10-23T14:36:42Z",
    "title_canon_sha256": "79559f738e9f69fac78bace266b2e293b9019312dd5eee7ab7d5fc507fe6607c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08304",
    "kind": "arxiv",
    "version": 1
  }
}