Pith Number

pith:TYH7YDK2

pith:2008:TYH7YDK2ZIGVKAUKJWVGLB5OJ6

not attested not anchored not stored refs pending

Optimal Fourier filtering of a function that is strictly confined within a sphere

Eduardo Anglada, Jose M. Soler

arxiv:0807.5030 v1 · 2008-07-31 · cond-mat.mtrl-sci · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYH7YDK2ZIGVKAUKJWVGLB5OJ6}

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	2026-05-18T02:15:44.213433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0ffc0d5aca0d55028a4daa6587ae4fa14877e0ce29873212c09e6d8c0a3d58

Aliases

arxiv: 0807.5030 · arxiv_version: 0807.5030v1 · doi: 10.48550/arxiv.0807.5030 · pith_short_12: TYH7YDK2ZIGV · pith_short_16: TYH7YDK2ZIGVKAUK · pith_short_8: TYH7YDK2

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/TYH7YDK2ZIGVKAUKJWVGLB5OJ6 \
  | 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: 9e0ffc0d5aca0d55028a4daa6587ae4fa14877e0ce29873212c09e6d8c0a3d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0142f5db08f284a85c4a0574a63147584419791cff6e4de74d78277673e44322",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2008-07-31T10:24:56Z",
    "title_canon_sha256": "b1a7f2c80f11fa0c0dd5042085e260b3d033f6c8782b5e5329314dedf5631a59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.5030",
    "kind": "arxiv",
    "version": 1
  }
}