Pith Number

pith:C5WRWWSJ

pith:2008:C5WRWWSJHU7HKEZLPTSOV6JJ5H

not attested not anchored not stored refs pending

Dilational Hilbert Scales and Deconvolutional Sharpening

Markus Hegland, Robert S. Anderssen

arxiv:0803.1365 v1 · 2008-03-10 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5WRWWSJHU7HKEZLPTSOV6JJ5H}

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	2026-06-03T22:06:04.900391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176d1b5a493d3e75132b7ce4eaf929e9d320eca88c729eae3696020aae71b0c6

Aliases

arxiv: 0803.1365 · arxiv_version: 0803.1365v1 · doi: 10.48550/arxiv.0803.1365 · pith_short_12: C5WRWWSJHU7H · pith_short_16: C5WRWWSJHU7HKEZL · pith_short_8: C5WRWWSJ

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/C5WRWWSJHU7HKEZLPTSOV6JJ5H \
  | 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: 176d1b5a493d3e75132b7ce4eaf929e9d320eca88c729eae3696020aae71b0c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d64a235837062e7d1df6bbbd88697bf870074b98ccb0d8171e347818b74e24",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-03-10T09:37:53Z",
    "title_canon_sha256": "e349ed145b98aa61ea5b7d4f3e4e3b08e88f9cc2a666b91e184b1f3de0a76d8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1365",
    "kind": "arxiv",
    "version": 1
  }
}