Pith Number

pith:N2ND3YU7

pith:2014:N2ND3YU75QUL6SYROMCG253KGW

not attested not anchored not stored refs pending

Almost diagonal matrices and Besov-type spaces based on wavelet expansions

Markus Weimar

arxiv:1408.4581 v1 · 2014-08-20 · math.FA · math.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{N2ND3YU75QUL6SYROMCG253KGW}

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	2026-05-18T02:44:48.658569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e9a3de29fec28bf4b1173046d776a35a19d2df2ca69c34b78358678f2524c4d

Aliases

arxiv: 1408.4581 · arxiv_version: 1408.4581v1 · doi: 10.48550/arxiv.1408.4581 · pith_short_12: N2ND3YU75QUL · pith_short_16: N2ND3YU75QUL6SYR · pith_short_8: N2ND3YU7

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/N2ND3YU75QUL6SYROMCG253KGW \
  | 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: 6e9a3de29fec28bf4b1173046d776a35a19d2df2ca69c34b78358678f2524c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba9481f2f673a536fad110ea9660a89b06d6d41fd0f5a921dcbe300d00e2e4b",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-08-20T09:40:57Z",
    "title_canon_sha256": "13fcb49475d8dc9e46488c948abe442f7724d655d3b518735d158e1201354ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4581",
    "kind": "arxiv",
    "version": 1
  }
}