Pith Number

pith:WH645HXP

pith:2005:WH645HXP4T4VJPY7Q7L36KGEIZ

not attested not anchored not stored refs pending

Fast directional correlation on the sphere with steerable filters

(2) Universite catholique de Louvain, (3) Instituto de Fisica de Cantabria, Belgium, Cambridge, Cavendish Laboratory, Lausanne, L. Jacques (2), Louvain-la-Neuve, P. Vandergheynst (1) ((1) Swiss Federal Institute of Technology, P. Vielva (3), Santander, Spain;, Switzerland, United Kingdom), University of Cambridge, Y. Wiaux (1)

arxiv:astro-ph/0508516 v2 · 2005-08-24 · astro-ph · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WH645HXP4T4VJPY7Q7L36KGEIZ}

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	2026-05-18T04:29:05.109021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fdce9eefe4f954bf1f87d7bf28c4465943cde7a55883b8512dda5866f4dc68

Aliases

arxiv: astro-ph/0508516 · arxiv_version: astro-ph/0508516v2 · doi: 10.48550/arxiv.astro-ph/0508516 · pith_short_12: WH645HXP4T4V · pith_short_16: WH645HXP4T4VJPY7 · pith_short_8: WH645HXP

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/WH645HXP4T4VJPY7Q7L36KGEIZ \
  | 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: b1fdce9eefe4f954bf1f87d7bf28c4465943cde7a55883b8512dda5866f4dc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309dccd620cf619a31e82700109ce7042e57fc6ad54364844e8c2ecfcba5953b",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-24T17:36:31Z",
    "title_canon_sha256": "3551dd9f15de26917866164c08fadca7cb36b2d4cf1e8f10dad37461b80ce81d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508516",
    "kind": "arxiv",
    "version": 2
  }
}