Pith Number

pith:STWZX2OB

pith:2019:STWZX2OBVFLYYKK6ZXOJMDTS5F

not attested not anchored not stored refs pending

On polynomials of binomial type, exponential integral and the inverse logarithmic derivative eigenproblem

Danil Krotkov

arxiv:1907.04109 v1 · 2019-07-09 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STWZX2OBVFLYYKK6ZXOJMDTS5F}

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	2026-05-17T23:41:03.287612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94ed9be9c1a9578c295ecddc960e72e9509d43d27b2a49a00de0e4ccc8866225

Aliases

arxiv: 1907.04109 · arxiv_version: 1907.04109v1 · doi: 10.48550/arxiv.1907.04109 · pith_short_12: STWZX2OBVFLY · pith_short_16: STWZX2OBVFLYYKK6 · pith_short_8: STWZX2OB

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/STWZX2OBVFLYYKK6ZXOJMDTS5F \
  | 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: 94ed9be9c1a9578c295ecddc960e72e9509d43d27b2a49a00de0e4ccc8866225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910ab546d985b2e60042f134f1551f6c1abbc3426d884c146281f40aa518b4d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-07-09T12:19:42Z",
    "title_canon_sha256": "50a35588c68ddfe80d36ab31ae343631dd9860f422d29db5eb8363a52144a141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04109",
    "kind": "arxiv",
    "version": 1
  }
}