Pith Number

pith:5NETA5S6

pith:2012:5NETA5S6A5FIDOUJIPCRUG4I7Y

not attested not anchored not stored refs pending

On zeros of Boubaker polynomials

Karem Boubaker, Lin Zhang, Qiang Lei, Seon-Hong Kim

arxiv:1211.0383 v2 · 2012-11-02 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NETA5S6A5FIDOUJIPCRUG4I7Y}

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	2026-05-18T03:41:21.073833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4930765e074a81ba8943c51a1b88fe04bd17c72531ec7bb2aeab4d235a51fd

Aliases

arxiv: 1211.0383 · arxiv_version: 1211.0383v2 · doi: 10.48550/arxiv.1211.0383 · pith_short_12: 5NETA5S6A5FI · pith_short_16: 5NETA5S6A5FIDOUJ · pith_short_8: 5NETA5S6

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/5NETA5S6A5FIDOUJIPCRUG4I7Y \
  | 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: eb4930765e074a81ba8943c51a1b88fe04bd17c72531ec7bb2aeab4d235a51fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3563042853ee4346f05c87e45a1ea72fd3261bee604209371226da203b108db4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-11-02T07:38:41Z",
    "title_canon_sha256": "d727beec22bdc6ee9f3eff23251f04c73aa71b36905dd1cc5b96f2416bad1c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0383",
    "kind": "arxiv",
    "version": 2
  }
}