Pith Number

pith:R3MS7DKG

pith:1994:R3MS7DKGXVLVF4N4QNS42MZ3UU

not attested not anchored not stored refs pending

Bounded nonvanishing functions and Bateman functions

Dieter Schmersau, Wolfram Koepf

arxiv:math/9404221 v1 · 1994-04-19 · math.CA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3MS7DKGXVLVF4N4QNS42MZ3UU}

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	2026-05-18T01:05:51.455008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed92f8d46bd5752f1bc8365cd333ba53813d14540a64ba5ba087e8da16cac64

Aliases

arxiv: math/9404221 · arxiv_version: math/9404221v1 · doi: 10.48550/arxiv.math/9404221 · pith_short_12: R3MS7DKGXVLV · pith_short_16: R3MS7DKGXVLVF4N4 · pith_short_8: R3MS7DKG

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/R3MS7DKGXVLVF4N4QNS42MZ3UU \
  | 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: 8ed92f8d46bd5752f1bc8365cd333ba53813d14540a64ba5ba087e8da16cac64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3a85d8b10cb0745bc6ae3da643858aad615591d2a5200d670d07a29c520587",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1994-04-19T00:00:00Z",
    "title_canon_sha256": "8d13f42e6d8cfb8359baf30c57ad7ba88dcb267050383c6552f7590aad46c740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9404221",
    "kind": "arxiv",
    "version": 1
  }
}