Pith Number

pith:EXSRDQAC

pith:2018:EXSRDQACNR36EA5VCBOP33OBR4

not attested not anchored not stored refs pending

Matrix Sequences of Tribonacci and Tribonacci-Lucas Numbers

Y\"uksel Soykan

arxiv:1809.07809 v1 · 2018-09-20 · 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{EXSRDQACNR36EA5VCBOP33OBR4}

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	2026-05-18T00:05:13.212223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e511c0026c77e203b5105cfdedc18f082564f19c42964681522cab8e8c28ec

Aliases

arxiv: 1809.07809 · arxiv_version: 1809.07809v1 · doi: 10.48550/arxiv.1809.07809 · pith_short_12: EXSRDQACNR36 · pith_short_16: EXSRDQACNR36EA5V · pith_short_8: EXSRDQAC

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/EXSRDQACNR36EA5VCBOP33OBR4 \
  | 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: 25e511c0026c77e203b5105cfdedc18f082564f19c42964681522cab8e8c28ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d40f23bc07a6c08267d010261077007460afcc7f179de5c9a7b9ed18a183b894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-09-20T19:09:50Z",
    "title_canon_sha256": "7f3057cbf175ccdd87a780280431649a6ba4e69d7b34ef57b55168a8422f0b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07809",
    "kind": "arxiv",
    "version": 1
  }
}