Pith Number

pith:FKBSPYIQ

pith:2010:FKBSPYIQLF5F4CR6QTU4WDTLT6

not attested not anchored not stored refs pending

Irreducible values of polynomials

Lior Bary-Soroker

arxiv:1005.4528 v2 · 2010-05-25 · 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{FKBSPYIQLF5F4CR6QTU4WDTLT6}

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	2026-05-18T04:40:45.030256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8327e110597a5e0a3e84e9cb0e6b9fa0c1862d4830a69956175f454dee9058

Aliases

arxiv: 1005.4528 · arxiv_version: 1005.4528v2 · doi: 10.48550/arxiv.1005.4528 · pith_short_12: FKBSPYIQLF5F · pith_short_16: FKBSPYIQLF5F4CR6 · pith_short_8: FKBSPYIQ

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/FKBSPYIQLF5F4CR6QTU4WDTLT6 \
  | 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: 2a8327e110597a5e0a3e84e9cb0e6b9fa0c1862d4830a69956175f454dee9058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f589866ea560089c7421f9d92604ea0e414b2a639db8cec7220e84ccfafc4c9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2010-05-25T10:33:07Z",
    "title_canon_sha256": "29f731ca71635bd296492ad6287bde56d085ee0e5f27aa84e2912a12fecea85e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4528",
    "kind": "arxiv",
    "version": 2
  }
}