Pith Number

pith:ZNNRLY36

pith:2013:ZNNRLY362Q3WTBFIJTSRBGGS42

not attested not anchored not stored refs pending

Memory-efficient w-projection with the fast Gauss transform

Keith W. Bannister, Tim J. Cornwell

arxiv:1301.3950 v1 · 2013-01-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNNRLY362Q3WTBFIJTSRBGGS42}

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	2026-05-18T01:52:06.414881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5b15e37ed4376984a84ce51098d2e6ac609c966de72a8b57781e702d9cd7cc

Aliases

arxiv: 1301.3950 · arxiv_version: 1301.3950v1 · doi: 10.48550/arxiv.1301.3950 · pith_short_12: ZNNRLY362Q3W · pith_short_16: ZNNRLY362Q3WTBFI · pith_short_8: ZNNRLY36

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/ZNNRLY362Q3WTBFIJTSRBGGS42 \
  | 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: cb5b15e37ed4376984a84ce51098d2e6ac609c966de72a8b57781e702d9cd7cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5271d0e4ef767ffd5d8994f95f155f2dff254cd8985cbb15f8600c14f740e78a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-16T23:49:23Z",
    "title_canon_sha256": "046365573a6c5954d0934c41f4767bd9c17be86e701a6417a9ef9e4dfdf73e61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3950",
    "kind": "arxiv",
    "version": 1
  }
}