Pith Number

pith:N3L25LT7

pith:2007:N3L25LT7PLVEA56LDJKRV2TWC5

not attested not anchored not stored refs pending

Entropy Encoding, Hilbert Space and Karhunen-Loeve Transforms

Myung-Sin Song, Palle E. T. Jorgensen

arxiv:math-ph/0701056 v2 · 2007-01-23 · 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{N3L25LT7PLVEA56LDJKRV2TWC5}

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.

Cited by

1 paper in Pith

Application of continuous corrections in widefield imaging obtained with the IDGCAL calibration method

Receipt and verification

First computed	2026-07-04T17:08:32.780354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ed7aeae7f7aea4077cb1a551aea76177a4ac64a185dbf36c57c6469d0d9023d

Aliases

arxiv: math-ph/0701056 · arxiv_version: math-ph/0701056v2 · doi: 10.48550/arxiv.math-ph/0701056 · pith_short_12: N3L25LT7PLVE · pith_short_16: N3L25LT7PLVEA56L · pith_short_8: N3L25LT7

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/N3L25LT7PLVEA56LDJKRV2TWC5 \
  | 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: 6ed7aeae7f7aea4077cb1a551aea76177a4ac64a185dbf36c57c6469d0d9023d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249a4217806f40639b8cdbd927fd66f0ca5d0e680baf82f053faef13eb647b7c",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2007-01-23T04:01:54Z",
    "title_canon_sha256": "9663849dde93f9e7b43561b35b78b603fefcd68bc9659052445e58c6bba253c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0701056",
    "kind": "arxiv",
    "version": 2
  }
}