Pith Number

pith:74YROP34

pith:2019:74YROP34D4QJ23I2LYVQLLPHRE

not attested not anchored not stored refs pending

A New Formula of q-Fubini Numbers via Goncharov polynomials

Adel Hamdi

arxiv:1908.06939 v1 · 2019-08-19 · 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{74YROP34D4QJ23I2LYVQLLPHRE}

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	2026-07-04T23:58:21.378950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff31173f7c1f209d6d1a5e2b05ade78917466e1acb864b96d8903f493a78d21a

Aliases

arxiv: 1908.06939 · arxiv_version: 1908.06939v1 · doi: 10.48550/arxiv.1908.06939 · pith_short_12: 74YROP34D4QJ · pith_short_16: 74YROP34D4QJ23I2 · pith_short_8: 74YROP34

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/74YROP34D4QJ23I2LYVQLLPHRE \
  | 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: ff31173f7c1f209d6d1a5e2b05ade78917466e1acb864b96d8903f493a78d21a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360195d76f7a4be6a42f320ebb042ff2cdd0086b03fc1a7d984ab8d05c4f61c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-19T17:24:52Z",
    "title_canon_sha256": "6cecb9c7ef139c74fd582e23ddcd35c46ff28eb9568f6ac66788b51a5456fb2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06939",
    "kind": "arxiv",
    "version": 1
  }
}