Pith Number

pith:EG2FBMHU

pith:2004:EG2FBMHURHA5GQVNJ56FVVI2TF

not attested not anchored not stored refs pending

SCD Patterns Have Singular Diffraction

Dirk Frettl\"oh, Michael Baake

arxiv:math-ph/0411052 v1 · 2004-11-15 · math-ph · math.MG · 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{EG2FBMHURHA5GQVNJ56FVVI2TF}

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	2026-05-18T02:41:33.450683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b450b0f489c1d342ad4f7c5ad51a996379b67a6c9345b03be15cdfbdd44f2f

Aliases

arxiv: math-ph/0411052 · arxiv_version: math-ph/0411052v1 · doi: 10.48550/arxiv.math-ph/0411052 · pith_short_12: EG2FBMHURHA5 · pith_short_16: EG2FBMHURHA5GQVN · pith_short_8: EG2FBMHU

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/EG2FBMHURHA5GQVNJ56FVVI2TF \
  | 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: 21b450b0f489c1d342ad4f7c5ad51a996379b67a6c9345b03be15cdfbdd44f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7302d72ef5492ebb3b0405ad2b2a555b927b2af8f283579e63e1b6da10cbb6b2",
    "cross_cats_sorted": [
      "math.MG",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-11-15T16:03:12Z",
    "title_canon_sha256": "f8bef2d2746d9cbbea2f06ec01a63a4b50485bd409fbe335e802a55fd214d490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0411052",
    "kind": "arxiv",
    "version": 1
  }
}