Pith Number

pith:KC3LILKY

pith:2009:KC3LILKYECDJ5AKDXXGYTSY2PN

not attested not anchored not stored refs pending

Iterative Processes Related to Riordan Arrays: The Reciprocation and the Inversion of Power Series

Ana Luzon

arxiv:0907.2328 v2 · 2009-07-14 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC3LILKYECDJ5AKDXXGYTSY2PN}

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	2026-05-18T00:20:45.123550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b6b42d5820869e8143bdcd89cb1a7b66dc95c81291eff9dadca60e4911b8ba

Aliases

arxiv: 0907.2328 · arxiv_version: 0907.2328v2 · doi: 10.48550/arxiv.0907.2328 · pith_short_12: KC3LILKYECDJ · pith_short_16: KC3LILKYECDJ5AKD · pith_short_8: KC3LILKY

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/KC3LILKYECDJ5AKDXXGYTSY2PN \
  | 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: 50b6b42d5820869e8143bdcd89cb1a7b66dc95c81291eff9dadca60e4911b8ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc70571e55d37aacf5bd594bbe17c3b747868c81e3b9b5d423a19dbb4d05d39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-07-14T11:14:16Z",
    "title_canon_sha256": "2925c7db460f15e3939ef260e39f7c264d3e23f995692a56fc8f41d89c66ac81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2328",
    "kind": "arxiv",
    "version": 2
  }
}