Pith Number

pith:EDZQCQ3R

pith:1993:EDZQCQ3RDZGNUQ6CJY2HS5RTQF

not attested not anchored not stored refs pending

On weighted transplantation and multipliers for Laguerre expansions

Krzysztof Stempak, Walter Trebels

arxiv:math/9307203 v1 · 1993-07-08 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDZQCQ3RDZGNUQ6CJY2HS5RTQF}

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	2026-05-18T01:05:52.125909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f30143711e4cda43c24e347976338148e725fd8869df0508fa35d0683cb587

Aliases

arxiv: math/9307203 · arxiv_version: math/9307203v1 · doi: 10.48550/arxiv.math/9307203 · pith_short_12: EDZQCQ3RDZGN · pith_short_16: EDZQCQ3RDZGNUQ6C · pith_short_8: EDZQCQ3R

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/EDZQCQ3RDZGNUQ6CJY2HS5RTQF \
  | 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: 20f30143711e4cda43c24e347976338148e725fd8869df0508fa35d0683cb587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5eb1d8994c2eee94b54a607d6a3442c86ffcfa8d0008ed78714f93e0a7e2b9a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1993-07-08T00:00:00Z",
    "title_canon_sha256": "ca161bf25045148cca9cdc1f4faade2922aaee4684577408976714627b3c62a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9307203",
    "kind": "arxiv",
    "version": 1
  }
}